PBE Europe as Axell Wireless 55-165704 55-165704 Cell Enhancer User Manual 80 330501HBKM
Axell Wireless 55-165704 Cell Enhancer 80 330501HBKM
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![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 375 of 500 20.3.2. 700MHz 5 Cavity Combiner System (50-132105) 700MHz 5 Cavity Combiner System (50-132105) consists of 5 Dielectric Cavity Resonators mounted on two 3U rack mount panels, three on one panel and two on the other 700MHz 5 Cavity Combiner System (50-132105) List of Major Components section Component Part Component Part Description Qty Per Assembly 20.3.2.3. 04-003402 Dielectric Cavity Resonator 5](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-1.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 376 of 500 700MHz 5CH CAVITY COMBINER OUTLINE DRAWING1:3 50-1321105PB18/10/2007GD18/10/2007 AA02/10/07PLPORT JA3PORT JA2PORT JA1PORT JA4 PORT JA58x SLOTS SUITABLE FOR M6 FIXINGS532.2 12U265.9 6U 265.9 6UI1466.00482.537.7 190.50 37.7 190.50PRODUCT NUMBER : 50-132105MATERIAL - FRONT PANEL & CHASSIS - ALUMINIUMFINISH - FRONT PANEL - IRIDITEFRONT PANEL - PAINTED RAL7035 (FRONT FACE & EDGES)CONNECTORS - `N' TYPE SOCKETAA ORIGINAL ISSUE PL390374 20.3.2.1. 700MHz 5 Cavity Combiner System (50-132105) Outline Drawing Drawing number 50-1321105](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-2.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 377 of 500 20.3.2.2. 700MHz 5 Cavity Combiner System (50-132105) System Diagram Drawing number 50-132185](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-3.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 378 of 500 20.3.2.3. Dielectric Cavity Resonator (04-003402) Cavity resonators are used in this system for their high Q factor response and power handling characteristics. Being finely tuned items, they can be prone to being de-tuned by mechanical shock or vibration therefore these units should be handled, stored and installed with care. Note that the cavities are coupled together using critical length harnesses. If any cable is to be changed the exact same length and type of cable should be used for replacement. 04-003402 Specification Specification Parameter Frequency Range 764 to 776 MHz * Bandwidth 25 kHz Insertion Loss < 1.0 dB Return Loss > 15 dB (at both ports) Attenuation > 10 dB at Fc ± 1 MHz Power Handling (CW) 20W Environmental IP54 Size 124mm x 158mm x 157mm** Weight 1.5 kg Connectors N female operation -20°C to +60°C Temperature range storage -40°C to +70°C *Tuned to Customer’s specification **Height is dependant upon position of tuning plunger](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-4.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 379 of 500 20.3.3. 700MHz 4 Cavity Combiner System (50-132106) 700MHz 4 Cavity Combiner System (50-132106) consists of 4 Dielectric Cavity Resonators mounted on two 3U rack mount panels, three on one panel and two on the other 700MHz 4 Cavity Combiner System (50-132106) List of Major Components Section Component Part Component Part Description Qty Per Assembly 20.3.3.3. 04-003402 Dielectric Cavity Resonator 4](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-5.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 380 of 500 1122334455667788A AB BC CD DE EF FA2Drawing NoTitleCustomerDrawn DateChecked ApprovedTHIS IS A PROPRIE TARY DESIGN OF AERIAL FACILITIES LTDREPRODUCTION OR USE OF THIS DESIGN B Y OTHER ISPERMISSABLE ON LY IF EXPRESS LY AUTHORISED IN WRITINGBY AERIA L FACILITIES LTDSCALEAerial Facilities LimitedEnglandTel : 01494 777000Fax : 01494 777002ALL DIMENSIONS ARE IN mmUNLESS OTHE RWISE S TATEDREVISIONNo DESCRIPTION DATE BYTWO DECIMA L PLACESG1mmONE DECIMA L PLACEG 0.3mmNO DECIMA L PLACEG 1mmTOLERANCES700MHZ 4 C AVITY COMBINER OUTLINE DR AWING1:3 50-1321106PB26/10/2007GD26/10/2007AA16/10/07PLPORT JA2PORT JA1PORT JA4 PORT JA38x SLOTS SUI TABLE FOR M6 FIXINGS532.2 12U265.9 6U 265.9 6UI1466.00482.5037.7 190.50 37.7 190.50PRODUC T NUMBER : 50-132106MATERIAL - FRON T PANEL & CHASSIS - ALUMINIUMFINISH - FRON T PANEL - IRIDITEFRON T PANE L - PAINTED RAL7035 (FRON T FACE & EDGES)CONNEC TORS - `N' TYPE SOCKE TAA ORIGINAL ISSUE15/10/07PLTHIRD ANGLE PROJECTION 20.3.3.1. 700MHz 4 Cavity Combiner System (50-132106) Outline Drawing Drawing number 50-1321106](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-6.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 381 of 500 20.3.3.2. 700MHz 4 Cavity Combiner System (50-132106) System Diagram Drawing number 50-132186](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-7.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 382 of 500 20.3.3.3. Dielectric Cavity Resonator (04-003402 Cavity resonators are used in this system for their high Q factor response and power handling characteristics. Being finely tuned items, they can be prone to being de-tuned by mechanical shock or vibration therefore these units should be handled, stored and installed with care. Note that the cavities are coupled together using critical length harnesses. If any cable is to be changed the exact same length and type of cable should be used for replacement. 04-003402 Specification Specification Parameter Frequency Range 764 to 776 MHz* Bandwidth 25 kHz Insertion Loss < 1.0 dB Return Loss > 15 dB (at both ports) Attenuation > 10 dB at Fc ± 1 MHz Power Handling (CW) 20W Environmental IP54 Size 124mm x 158mm x 157mm** Weight 1.5 kg Connectors N female operation -20°C to +60°C Temperature range storage -40°C to +70°C *Tuned to Customer’s specification **Height is dependant upon position of tuning plunger](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-8.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 383 of 500 21 CONVENTION PLACE STATION 700MHZ BDA (80-330554-2) Rack number CR1-CR-07 Convention Place Station 700MHz BDA (80-330554-2) List of Major Components Section Component Part Component Part Description Qty Per Assembly21.3.1. 50-132102 700MHZ CHANNELISED AMP 9 21.3.2. 50-132104 700MHZ UPLINK AMPLIFIER/ DUPLEXER 1](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-9.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 384 of 500 21.1. Convention Place Station 700MHz BDA (80-330554-2) Outline Drawing Drawing number 80-330554](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-10.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 385 of 500 21.2. Convention Place Station 700MHz BDA (80-330554-2) System Diagram Drawing number 80-330584-2](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-11.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 386 of 500 21.3. Convention Place Station 700MHz BDA (80-330554-2) Major Components 21.3.1. 700MHz Channelised Amplifier (50-132102) 3U rack mount shelf 700MHz Channelised Amplifier (50-132102) List of major Components Section Component Part Component Part Description Qty Per Assembly21.3.1.3. 09-000902 Dummy Load 1 21.3.1.4. 10-000901 Switched Attenuator 0.25W, 0 - 15dB 1 21.3.1.5. 11-006702 Low Noise Amplifier 1 21.3.1.6. 12-020804 Power Amplifier 1 21.3.1.7. 13-003412 DC/DC Converter 1 21.3.1.8. 17-009127 Channel Selectivity Module 1 21.3.1.9. 17-011501 Channel Control Module 1 21.3.1.10. 80-008902 24V Relay Board 1 21.3.1.11. 93-910048 Dual Isolator 1 21.3.1.12. 94-100004 Dual Diode Assembly 1 21.3.1.13. 96-300060 PSU 24V 1](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-12.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 387 of 500 POWER ONALARM 21.3.1.1. 700MHz Channelised Amplifier (50-132102) Outline Drawing Drawing number 50-1321102](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-13.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 388 of 500 21.3.1.2. 700MHz Channelised Amplifier (50-132102) System diagram Drawing number 50-132182](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-14.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 389 of 500 21.3.1.3. Dummy load 09-000902 Dual Isolator (770MHz) (93-910048) has one of its ports terminated with Dummy load 09-000902 in order to achieve the correct power rating to absorb the reflected power levels that can be reasonably expected within the system. 09-000902 specification PARAMETER SPECIFICATION Frequency Range 0 - 2500 MHz Power Rating 25 Watts continuous VSWR Better than 1.1:1 Impedance 50 Ohms Temperature Range -20 to +60°C RF Connectors N Type female Dimension 110.3mm x 38.1mm x Weight 485 grams Finish Black Anodised RF Connector N Type male Environmental IP66 MTBF >180,000 hours 21.3.1.4. Switched Attenuator 0.25W, 0 - 15dB (10-000901) In many practical applications for Cell Enhancers etc., the gain in each path is found to be excessive. Therefore, provision is made within the unit for the setting of attenuation in each path, to reduce the gain. 10-000901 provides attenuation from 0 - 15dB in 2 dB steps The attenuation is simply set using the four miniature toggle switches on the top of each unit. Each switch is clearly marked with the attenuation it provides, and the total attenuation in line is the sum of the values switched in. They are designed to maintain an accurate 50Ω impedance over their operating frequency at both input and output. 10-000901 Specification PARAMETER SPECIFICATION Attenuation Values 0-15dB Attenuation Steps 1, 2, 4 and 8dB Power Handling 0.25 Watt Attenuation Accuracy ± 1.0 dB Frequency Range DC to 1GHz Impedance 50Ω Connectors SMA VSWR 1.3:1 Weight 0.2kg operation -20°C to +60°C Temperature range: storage -40°C to +70°C](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-15.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 390 of 500 7 8 961 2 3 4 59-Way Pin-Out Graphical Representation 21.3.1.5. Low Noise Amplifier (11-006702) The Gallium-Arsenide low noise amplifiers used in 800MHz Line Amplifier (55-165703) are double stage, solid-state low noise amplifiers. Class A circuitry is used throughout the units to ensure excellent linearity and extremely low noise over a very wide dynamic range. The active devices are very moderately rated to provide a long trouble-free working life. There are no adjustments on these amplifiers, and in the unlikely event of a failure, then the complete amplifier should be replaced. This amplifier features its own in-built alarm system which gives a volt-free relay contact type alarm that is easily integrated into the main alarm system. 11-006702 Specification PARAMETER SPECIFICATION Frequency range 800 – 1000MHz Bandwidth <200MHz Gain 29dB (typical) 1dB Compression point 20dBm OIP3 33dBm Input/Output return loss >18dB Noise figure 1.3dB (typical) Power consumption 180mA @ 24V DC Supply voltage 10-24V DC Connectors SMA female operational -10°C to +60°C Temperature range storage -20°C to +70°C Size 90 x 55 x 30.2mm Weight 290gms (approximately) Low Noise Amplifier (11-006702) ‘D’ Connector Pin-out details Connector pin Signal 1 +Ve input (10-24V) 2 GND 3 Alarm RelayO/P bad 4 Alarm Relay common 5 Alarm Relay good 6 No connection 7 TTL voltage set 8 TTL alarm/0V (good) 9 O/C good/0V bad](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-16.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 391 of 500 21.3.1.6 Power Amplifier (12-020804) This amplifier is a Class AB 40W power amplifier from 860MHz to 960MHz in balanced configuration. The amplifier demonstrates a very good input/output return loss (RL) and it has a built-in Current Fault Alarm Function. The unit housing is an aluminium case (Iridite NCP finish) with SMA connectors for the RF input/output and a D-Type connector for the power supply and the Current Fault Alarm Function. 12-020804 specification Specification Parameter Frequency Range 860 - 960MHz Gain ≥28.0 dB Gain Flatness 1.0dB p-p Max ∆Gain vs. Temperature 2.5dB Max Input RL 15dB Min Output RL 15dB Min Output Power @ P1dB 46.0dBm Min DC Supply Voltage 24 ± 0.5Vdc RF Input Power 25dBm At P1dB 6000mA Max DC Supply Current With no RF input (Iqc) 1700mA Max operational -40°C to +70°C Temperature range storage -40°C to +100°C 7-Way Connector Pin-outs Connector Pin Signal A1 +24V DC A2 GND 1 Alarm relay common 2 TTL alarm/0V good 3 Alarm relay contact (bad) 4 Alarm relay contact (good) 5 O/C good/0V bad (TTL)](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-17.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 392 of 500 21.3.1.7. DC/DC Converter (13-003412) DC/DC Converter 13-003412 13-003412 is based upon an O.E.M. DC/DC Converter module with a wide input range and and is used to derive a 12V fixed voltage power supply rail from a higher voltage supply, in this case 24V. In the event of failure this unit should not be repaired, only replaced. 13-003412 Specification PARAMETER SPECIFICATION Operating voltage 18 – 75V DC Output voltages 12V (typical) Output current 5.0A (Max) operational -10%C to +60%C Temperature range storage -20%C to +70%C 21.3.1.8. Channel Selectivity Module (17-009127) Channel Selectivity Module (17-009127) is employed when requirement dictates that very narrow bandwidths (single operating channels), must be selected from within the operating passband. One channel selectivity module is required for each channel. The Channel Selectivity Module is an Up/Down frequency converter that mixes the incoming channel frequency with a synthesised local oscillator, so that it is down-converted to an Intermediate Frequency (IF) in the upper HF range. An eight pole crystal filter in the IF amplifier provides the required selectivity to define the operating passband of the Cell Enhancer to a single PMR channel. The same local oscillator then converts the selected IF signal back to the channel frequency. Selectivity is obtained from a fixed bandwidth block filter operating at an intermediate frequency (IF) in the low VHF range. This filter may be internal to the channel selectivity module (Crystal or SAW filter) or an externally mounted bandpass filter, (LC or Helical Resonator). Various IF bandwidths can therefore be accommodated. A synthesized Local Oscillator is employed in conjunction with high performance frequency mixers, to translate between the signal frequency and IF. The operating frequency of each channel selectivity module is set by the programming of channel selectivity module frequencies and is achieved digitally, via hard wired links, banks of DIP switches, or via an onboard RS232 control module, providing the ability to remotely set channel frequencies. Automatic Level Control (ALC) is provided within each channel selectivity module such that the output level is held constant for high level input signals. This feature prevents saturation of the output mixer and of the associated amplifiers. Alarms within the module inhibit the channel if the synthesised frequency is not locked. The synthesiser will not usually go out of lock unless a frequency far out of band is programmed. The channel selectivity module is extremely complex and, with the exception of channel frequency programming within the design bandwidth, it cannot be adjusted or repaired without extensive laboratory facilities and the necessary specialised personnel. If a fault is suspected with any channel selectivity module it should be tested by substitution and the complete, suspect module should then be returned to AFL for investigation.](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-18.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 393 of 500 21.3.1.9. Channel Control Module (17-011501) The operating frequency for each channel in each repeater is programmed by 16 DIL (Dual In Line) switches. The programming switches are mounted in the Channel Control Module. The Channel Selectivity Modules are connected to the Channel Control Module via multi-way ribbon cables. Adjacent to the DIL switches for each channel is a toggle switch to turn on and off individual channels as required. A green LED indicates the power status of each channel. A red LED shows the alarm condition for each channel. An illuminated alarm LED indicates that the synthesiser has not achieved phase lock and that the module is disabled. There is a problem which requires investigation, often a frequency programmed outside the operating frequency range. The following information is necessary before attempting the programming procedure. 1. operating frequency 2. synthesiser channel spacing (step size) 3. synthesiser offset (IF) Programming Procedure Check that the required frequency falls within the operational frequency limits of the Cell Enhancer. For each channel required, subtract the synthesiser offset from the required operating frequency and record the resulting local oscillator frequency. Divide each local oscillator frequency by the channel spacing and check that the result is an integer (i.e: no remainder). If the synthesiser division ratio is not an integer value, check the required operational frequency and repeat the calculation checking for mistakes. Convert the required local oscillator frequency to synthesiser programming switch state patterns according to the following table. Note: the frequency of the passband will dictate the switch steps used. Switch Functions Switch Number Synthesiser offset added when switch in UP position 12.5kHz step size 25kHz step size 1 +12.5kHz +25kHz 2 +25kHz +50kHz 3 +50kHz +100kHz 4 +100kHz +200kHz 5 +200kHz +400kHz 6 +400kHz +800kHz 7 +800kHz +1.6MHz 8 +1.6MHz +3.2MHz 9 +3.2MHz +6.4MHz 10 +6.4MHz +12.8MHz 11 +12.8MHz +25.6MHz 12 +25.6MHz +51.2MHz 13 +51.2MHz +102.4MHz 14 +102.4MHz +204.8MHz 15 +204.8MHz +409.6MHz 16 +409.6MHz +819.2MHz](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-19.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 394 of 500 Programming Example Frequency required: 454.000MHz Channel spacing: 12.5kHz Synthesiser offset: -21.4MHz The Local Oscillator frequency is therefore: 454.000 – 21.4 = 432.600MHz Dividing the Local Oscillator frequency by the channel spacing of 0.0125MHz: 432.600 = 34608 0.0125 This is an integer value, therefore it is OK to proceed. Switch settings Local Oscillator Frequency 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 432.600 MHz 1 0 0 0 0 1 1 1 0 0 1 1 0 0 0 0 Switch setting: 0 = switch DOWN (ON, frequency ignored ) 1 = switch UP (OFF, frequency added ) 17-011501 Controller Module DIP Switch Connector Data 17-011501 Controller Module DIP Switch Connector Data IDC PIN 25-way Connector Function (12.5kHz steps) Function (25kHz steps) 1 13 Freq. bit 1 (12.5kHz) Freq. bit 1 (25kHz) 2 25 Freq. bit 2 (25kHz) Freq. bit 2 (50kHz) 3 12 Freq. bit 3 (50kHz) Freq. bit 3 (100kHz) 4 24 Freq. bit 4 (100kHz) Freq. bit 4 (200kHz) 5 11 Freq. bit 5 (200kHz) Freq. bit 5 (400kHz) 6 23 Freq. bit 6 (400kHz) Freq. bit 6 (800kHz) 7 10 Freq. bit 7 (800kHz) Freq. bit 7 (1.6MHz) 8 22 Freq. bit 8 (1.6MHz) Freq. bit 8 (3.2MHz) 9 9 Freq. bit 9 (3.2MHz) Freq. bit 9 (6.4MHz) 10 21 Freq. bit 10 (6.4MHz) Freq. bit 10 (12.8MHz) 11 8 Freq. bit 11 (12.8MHz) Freq. bit 11 (25.6MHz) 12 20 Freq. bit 12 (25.6MHz) Freq. bit 12 (51.2MHz) 13 7 Freq. bit 13 (51.2MHz) Freq. bit 13 (102.4MHz) 14 19 Freq. bit 14 (102.4MHz) Freq. bit 14 (204.8MHz) 15 6 Freq. bit 15 (204.8MHz) Freq. bit 15 (409.6MHz) 16 18 Freq. bit 16 (409.6MHz) Freq. bit 16 (819.2MHz) 17 5 Module alarm Module alarm 18 17 Gain bit 1 Gain bit 1 19 4 Gain bit 2 Gain bit 2 20 16 Gain bit 3 Gain bit 3 21 3 Gain bit 4 Gain bit 4 22 15 (5V (5V 23 2 0V 0V 24 14 Switched 12V Switched 12V 25 1 0V 0V 26 --- --- ---](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-20.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 395 of 500 21.3.1.10. 24V Relay Board (80-008902) The General Purpose Relay Board allows the inversion of signals and the isolation of circuits. It is equipped with a single, dual pole, change-over relay RL1 with completely isolated wiring, accessed via screw terminals. The relay is provided with a polarity protection diode and diodes for suppressing the transients caused by "flywheel effect" which can destroy switching transistors or induce spikes on neighbouring circuits. It’s common use is to amalgamate all the alarm signals into one, volts-free relay contact pair for the main alarm system. 80-008902 Technical Specification Parameter Specification Max. switch current 1.0Amp Max. switch volts 120Vdc/60VA Max. switch power 24W/60VA Min. switch load 10.0µA/10.0mV Relay isolation 1.5kV Mechanical life >2x107 operations Relay approval BT type 56 Connector details 15-way 0.1" pitch operational -10°C to +55°C Temperature range storage -40°C to +70°C 21.3.1.11. Dual Isolator (770MHz) (93-910048) The purpose of fitting an isolator to the output of a transmitter in a multi-transmitter environment is so that each output is afforded a degree of isolation from every other. Without the addition of Isolators, simultaneous transmissions could interfere to create intermodulation products and spurious transmissions would be created which would cause interference. Dual Isolator (93-910048) is a ferro-magnetic RF device, which has directional properties. In the forward direction, RF arriving at the input is passed to the output with minimal attenuation. In the reverse direction, RF arriving at the output due to reflected power from a badly matched load, or due to coupling with another transmitter, is routed into an RF load where it is absorbed. The isolator therefore functions to prevent reflected RF energy reaching the output port of an amplifier where it could cause intermodulation products or premature device failure. Dual Isolator (93-910048) is as its name suggests a two stage device, essentially two isolators in one casing. One isolator stage has an internal 10W load fitted, the second stage needs an external load fitted of sufficient rating to absorb the reflected power levels that can be reasonably expected within the system. In this instance Dual Isolator (93-910048) is fitted with external load 09-000902. 93-910048 Specification Parameter Specification Frequency Range 760-780 MHz Insertion Loss 0.4 dB max. Isolation 50 dB min. Return Loss 23 dB min. Power Handling 10W (internally fitted load) RF Connectors N female](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-21.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 396 of 500 21.3.1.12. Dual Diode Assembly (94-100004) The purpose of these dual diode assemblies is to allow two DC voltage sources to be combined, so that the main DC rail within the equipment can be sourced from either a mains driven PSU, or externally through an XLR connector or from dual mains driven PSUs . They are very heavy-duty diodes and they prevent any reverse current from flowing back to their source or the alternative supply rail. Combining diodes such as these will also be used if the equipment is to be powered from external back-up batteries. 21.3.1.13. PSU 24V (96-300060) The power supply unit is a switched-mode type capable of supplying 24V DC at 6.25Amps continuously. Equipment of this type typically requires approximately 2-2.5Amps at 24V DC, so the PSU will be used conservatively ensuring a long operational lifetime. No routine maintenance of the PSU is required. If a fault is suspected, then the output voltage from the power supply may be measured on its output terminals. This is typically set to 24.5V. The output voltage may be varied using a multi-turn adjustment potentiometer mounted close to the DC output terminals. The line input voltage is sensed automatically, so no adjustment or link setting is needed by the operator. 96-300060 Specification AC Input Supply 110 or 220V nominal Voltage 90 to 132 or 180 to 264V (absolute limits) Frequency 47 to 63Hz DC Output Supply: 24V DC (nominal) Voltage 22 to 26V (absolute limits) Current 6.25A](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-22.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 397 of 500 21.3.2. 700MHz Uplink Amplifier/ Duplexer (50-132104) 3U 19” rack mount tray 700MHz Uplink Amplifier/ Duplexer (50-132104) List of Major Components Section Component Part Component Part Description Qty Per Assembly21.3.2.3. 02-007206 Bandpass Filter 2 21.3.2.4. 05-003302 Four Way Splitter/Combiner 5 21.3.2.5. 07-015105 Wideband Asymmetric Coupler 1 21.3.2.6. 10-000701 Switched Attenuator 0.25Watt, 0 - 30dB 1 21.3.2.7. 10-000901 Switched Attenuator 0.25W, 0 - 15dB 1 21.3.2.8. 11-006702 Low Noise Amplifier 1 21.3.2.9. 12-021901 Low Power Amplifier 1 21.3.2.10. 13-003412 DC/DC Converter 1 17-001109 AGC Detector Unit 1 21.3.2.11. 17-001201 AGC Attenuator Unit 1 21.3.2.12. 80-007401 Dummy Load 7 21.3.2.13. 80-008901 12V (Single) Relay Board 1 21.3.2.14. 94-100004 Dual Diode Assembly 1 21.3.2.15. 96-300052 12V Switch-Mode PSU 1](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-23.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 398 of 500 POWER ONALARM 21.3.2.1. 700MHz Uplink Amplifier/ Duplexer (50-132104) Outline Drawing Drawing number 50-1321104](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-24.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 399 of 500 21.3.2.2. 700MHz Uplink Amplifier/ Duplexer (50-132104) System Diagram Drawing number 50-132184](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-25.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 400 of 500 21.3.2.3. Bandpass Filter (02-007206) The bandpass filters are multi-section designs with a bandwidth dependent upon the passband frequencies, (both tuned to customer requirements). The response shape is basically Chebyshev with a passband design ripple of 0.1dB. The filters are of slot coupled, folded combline design, and are carefully aligned during manufacture in order to optimise the insertion loss, VSWR and intermodulation characteristics of the unit. The tuned elements are silver-plated to reduce surface ohmic losses and maintain a good VSWR figure and 50Ω load at the input and output ports. Being passive devices, the bandpass filters should have an extremely long operational life and require no maintenance. Should a filter be suspect, it is usually most time efficient to replace the module rather than attempt repair or re-tuning. No adjustments should be attempted without full network sweep analysis facilities to monitor both insertion loss and VSWR simultaneously. 02-007206 Specification PARAMETER SPECIFICATION Response type Chebyshev Frequency range 800 - 950MHz * Bandwidth 25MHz * Number of sections 8 Insertion loss 1.2 dB VSWR better than 1.2:1 Connectors SMA female Power handling 100W max operation -20°C to +60°C Temperature range storage -40°C to +70°C Weight 3 kg (typical) *tuned to Customer's specification 21.3.2.4. Four Way Splitter/Combiner (05-003302) The Splitter/Combiner used is a device for accurately matching two or more RF signals to single or multiple ports, whilst maintaining an accurate 50Ω load to all inputs/outputs and ensuring that the VSWR and insertion losses are kept to a minimum. Any unused ports should be terminated with an appropriate 50Ω load. Four Way Splitter (05-003302) Specification PARAMETER SPECIFICATION Frequency range 700-980MHz Bandwidth 180MHz Rejection >14dB Insertion loss <7.0dB (in band) Connectors N type, female Weight <1.5kg operational -20%C to +60%C Temperature range storage -40%C to +70%C](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-26.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 401 of 500 21.3.2.5. Wideband Asymmetric Coupler (07-015105) The purpose of Wideband Asymmetric Coupler (07-015105) is to tap off a known portion (in this case 30dB) of RF signal from transmission lines and to combine them, for example through splitter units for different purposes (alarms/monitoring etc.), whilst maintaining an accurate 50Ω load to all ports/interfaces throughout the specified frequency range. They are known formally as directional couplers as they couple power from the RF mainline in one direction only. 07-015105 Specification PARAMETER SPECIFICATION Construction Inductive air gap Frequency 800-2500MHz Through loss 0.4dB (typical) Coupling level -30dB ±0.5dB Isolation N/A Weight <1.0kg Connectors SMA, female operation -20°C to +60°C Temperature range storage -40°C to +70°C 21.3.2.6. Switched Attenuator 0.25Watt, 0 - 30dB (10-000701) In many practical applications for Cell Enhancers etc., the gain in each path is found to be excessive. Therefore, provision is made within the unit for the setting of attenuation in each path, to reduce the gain. Switched Attenuator 10-000701 provides attenuation from 0 to 30dB in 2 dB steps The attenuation is simply set using the four miniature toggle switches on the top of each unit. Each switch is clearly marked with the attenuation it provides, and the total attenuation in line is the sum of the values switched in. They are designed to maintain an accurate 50Ω impedance over their operating frequency at both input and output. 10-000701 Specification PARAMETER SPECIFICATION Attenuation Values 0-30dB Attenuation Steps 2, 4, 8 and 16dB Power Handling 0.25 Watt Attenuation Accuracy ± 1.0 dB Frequency Range DC to 1GHz Impedance 50Ω Connectors SMA VSWR 1.3:1 Weight 0.2kg operation -20°C to +60°C Temperature range storage -40°C to +70°C](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-27.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 402 of 500 21.3.2.7. Switched Attenuator 0.25W, 0 - 15dB (10-000901) In many practical applications for Cell Enhancers etc., the gain in each path is found to be excessive. Therefore, provision is made within the unit for the setting of attenuation in each path, to reduce the gain. 10-000901 provides attenuation from 0 - 15dB in 2 dB steps The attenuation is simply set using the four miniature toggle switches on the top of each unit. Each switch is clearly marked with the attenuation it provides, and the total attenuation in line is the sum of the values switched in. They are designed to maintain an accurate 50Ω impedance over their operating frequency at both input and output. 10-000901 Specification PARAMETER SPECIFICATION Attenuation Values 0-15dB Attenuation Steps 1, 2, 4 and 8dB Power Handling 0.25 Watt Attenuation Accuracy ± 1.0 dB Frequency Range DC to 1GHz Impedance 50Ω Connectors SMA VSWR 1.3:1 Weigh 0.2kg operation -20°C to +60°C Temperature range storage -40°C to +70°C 21.3.2.8. Low Noise Amplifier (11-006702) The Gallium-Arsenide low noise amplifiers used in 800MHz Line Amplifier (55-165703) are double stage, solid-state low noise amplifiers. Class A circuitry is used throughout the units to ensure excellent linearity and extremely low noise over a very wide dynamic range. The active devices are very moderately rated to provide a long trouble-free working life. There are no adjustments on these amplifiers, and in the unlikely event of a failure, then the complete amplifier should be replaced. This amplifier features its own in-built alarm system which gives a volt-free relay contact type alarm that is easily integrated into the main alarm system. 11-006702 Specification PARAMETER SPECIFICATION Frequency range 800 – 1000MHz Bandwidth <200MHz Gain 29dB (typical) 1dB Compression point 20dBm OIP3 33dBm Input/Output return loss >18dB Noise figure 1.3dB (typical) Power consumption 180mA @ 24V DC Supply voltage 10-24V DC Connectors SMA female operational -10°C to +60°C Temperature range storage -20°C to +70°C Size 90 x 55 x 30.2mm Weight 290gms (approximately)](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-28.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 403 of 500 7 8 961 2 3 4 59-Way Pin-Out Graphical Representation Low Noise Amplifier (11-006702) ‘D’ Connector Pin-out details Connector pin Signal 1 +Ve input (10-24V) 2 GND 3 Alarm RelayO/P bad 4 Alarm Relay common 5 Alarm Relay good 6 No connection 7 TTL voltage set 8 TTL alarm/0V (good) 9 O/C good/0V bad 21.3.2.9. Low Power Amplifier (12-021901) The low power amplifier used is a triple stage solid-state low-noise amplifier. Class A circuitry is used in the unit to ensure excellent linearity over a very wide dynamic range. The three active devices are very moderately rated to provide a long trouble-free working life. Its housing is an aluminium case (Iridite NCP finish) with SMA connectors for the RF input/output and a D-Type connector for the power supply and the Current Fault Alarm Function. There are no adjustments on this amplifier, and in the unlikely event of failure then the entire amplifier should be replaced. Low Power Amplifier (12-021901) Specification PARAMETER SPECIFICATION Frequency range 800-960MHz* Bandwidth 20MHz * Maximum RF output >1.0 Watt Gain 15dB 1dB compression point +30.5dBm 3rd order intercept point +43dBm Noise Figure <6dB VSWR better than 1.5:1 Connectors SMA female Supply 500mA @ 10-15V DC operational -10°C to +60°C Temperature range storage -20°C to +70°C Weight 0.5 kg Size 167x52x25mm * Tuned to Customer’s specification](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-29.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 404 of 500 A1 A21 23 4 57-Way Connector Graphical Representation Low Power Amplifier (12-021901) 7-Way Connector Pin-outs Connector Pin Signal A1 (large pin) +24V DC A2 (large pin) GND 1 Alarm relay common 2 TTL alarm/0V good 3 Alarm relay contact (bad) 4 Alarm relay contact (good) 5 O/C good/0V bad (TTL) 21.3.2.10. DC/DC Converter 13-003412 13-003412 is based upon an O.E.M. DC/DC Converter module with a wide input range and and is used to derive a 12V fixed voltage power supply rail from a higher voltage supply, in this case 24V. In the event of failure this unit should not be repaired, only replaced. 13-003412 Specification PARAMETER SPECIFICATION Operating voltage 18 – 75V DC Output voltages 12V (typical) Output current 5.0A (Max) operational -10%C to +60%C Temperature range storage -20%C to +70%C](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-30.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 405 of 500 21.3.2.11. AGC System AGC Detector Unit (17-001109) AGC Attenuator Unit (17-001201) EQUIPMENT 700MHz Uplink Amplifier/ Duplexer (50-132104) is fitted with a wide dynamic range Automatic Gain Control (AGC) system. This is fitted in the Uplink path to avoid overloading the amplifiers (with the associated performance degradation) should a mobile be operated very close to the unit. The AFL wide dynamic range Automatic Gain Control system consists of two units, a detector/amplifier and an attenuator. The logarithmic detector/amplifier unit is inserted in the RF path on the output of the power amplifier, and the attenuator is situated in the RF path between the 1st and 2nd stages of amplification. Normally the attenuator is at minimum attenuation. The detector/amplifier unit monitors the RF level being delivered by the power amplifier, and when a certain threshold is reached it begins to increase the value of the attenuator to limit the RF output to the (factory set) threshold. Therefore overloading of the power amplifier is avoided. The factory set threshold is 1dB below the Enhancer 1dB compression point. Some adjustment of this AGC threshold level is possible, a 10dB range is mostly achieved. It is not recommended under any circumstances to adjust the AGC threshold to a level greater than the 1dB compression point as system degradation will occur. The detector comprises of a 50Ω transmission line with a resistive tap which samples a small portion of the mainline power. The sampled signal is amplified and fed to a conventional half wave diode rectifier, the output of which is a DC voltage proportional to the RF input signal. This DC voltage is passed via an inverting DC amplifier with integrating characteristics, to the output, which drives the attenuation control line of the corresponding AGC attenuator. This unit is fitted at some earlier point in the RF circuit. For small signals, below AGC onset, the output control line will be close to 12V and the AGC attenuator will have minimum attenuation. As the signal level increases the control line voltage will fall, increasing the attenuator value and keeping the system output level at a constant value. The AGC onset level is adjusted by the choice of sampler resistor R1 and by the setting of potentiometer VR1, (factory set at the time of system test) do not adjust unless able to monitor subsequent RF levels. The attenuator comprises a 50Ω P.I.N diode, voltage-variable attenuator with a range of 3 to 30dB. The attenuation is controlled by a DC voltage which is derived from the associated AGC detector unit. Wide Dynamic Range AGC Specification PARAMETER SPECIFICATION Frequency Range up to 1000MHz Attenuation Range 3 to 30dB Attenuation Steps continuously variable VSWR better than 1.2:1 RF Connectors SMA female attenuator 1W Power Handling detector/amp >30W (or as required) operation -10°C to +60°C Temperature Range storage -20°C to +70°C attenuator pcb 50 x 42 x 21mm Size detector/amp pcb 54 x 42 x 21mm attenuator 90gm Weight detector/amp 100gm](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-31.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 406 of 500 21.3.2.12. Dummy Load (80-007401) When a combiner system is used to split or combine RF signals, in many cases it is most cost effective to use a standard stock item 4, 6 or 8 port device where, in fact, only a 3 or 6 port device is needed. In this case the Four Way Splitters (05-003302) each have their unused ports terminated with Dummy Load (80-007401) in order to preserve the correct impedance of the devices over the specified frequency range. This also has the advantage of allowing future expansion capability should extra channels or other functions become necessary. Dummy Load (80-007401) Specification Parameter Specification Frequency Range 0 to 1000MHz Power Rating 1.6 Watts 0-500MHz 1.2:1 VSWR (Max) 500-1000MHz 1.3:1 Temperature -20 to +55°C Connector ‘N’ type Male Nominal Impedance 50 Ohms 21.3.2.13. 12V (Single) Relay Board (80-008901) The General Purpose Relay Board allows the inversion of signals and the isolation of circuits. It is equipped with a single dual pole change-over relay RL1, with completely isolated wiring, accessed via a 15 way in-line connector. The relay is provided with polarity protection diodes and diodes for suppressing the transients caused by "flywheel effect" which can destroy switching transistors or induce spikes on neighbouring circuits. It’s common use is to amalgamate all the alarm signals into one, volts-free relay contact pair for the main alarm system. 80-008901 Specification PARAMETER SPECIFICATION Operating voltage 8 to 30V (floating earth) Alarm threshold Vcc - 1.20 volt +15% Alarm output relay contacts Max. switch current 1.0Amp Max. switch volts 120Vdc/60VA Max. switch power 24W/60VA Min. switch load 10.0µA/10.0mV Relay isolation 1.5kV Mechanical life >2x107 operations Relay approval BT type 56 Connector details Screw terminals operational -10°C to +60°C Temperature range storage -20°C to +70°C 21.3.2.14. Dual Diode Assembly (94-100004) The purpose of these dual diode assemblies is to allow two DC voltage sources to be combined, so that the main DC rail within the equipment can be sourced from either a mains driven PSU, or externally through an XLR connector or from dual mains driven PSUs. They are very heavy-duty diodes and they prevent any reverse current from flowing back to their source or the alternative supply rail. Combining diodes such as these will also be used if the equipment is to be powered from external back-up batteries.](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-32.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 407 of 500 21.3.2.15. 12V Switch-Mode PSU (96-300052) No routine maintenance of the PSU is required. If a fault is suspected, then the output voltage from the power supply may be measured on its output terminals. This is typically set to 12.2V. The adjustment potentiometer will be found close to the DC output terminals. The line input voltage is sensed automatically, so no adjustment or link setting is needed by the operator. 96-300052 Specification AC Input Supply 110 or 220V nominal Voltage 85 - 265V AC (absolute limits) Frequency 47 to 63Hz DC Output Supply 12V DC (nominal) Voltage 10.5-13.8V (absolute limits) Current 12.5A](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-33.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 408 of 500 22. INTERNATIONAL STATION 800MHZ BDA (80-330555-1) Rack number CR9-CR-07 International Station 800MHz BDA (80-330555-1) Section Component Part Component Part Description Qty Per Assembly 22.3.1. 50-132203 800MHz Output Quadplexer/Combiner 1 22.3.2. 50-132205 800MHz 5 Cavity Combiner System 2](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-34.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 409 of 500 22.1. International Station 800MHz BDA (80-330555-1) Rack elevation Drawing number 80-330555](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-35.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 410 of 500 22.2. International Station 800MHz BDA (80-330555-1) System diagram Drawing number 80-330585-1](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-36.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 411 of 500 22.3. International Station 800MHz BDA (80-330555-1) Major Components 22.3.1. 800MHz Output Quadplexer/Combiner (50-132203) 3U rack mount tray 800MHz Output Quadplexer/Combiner (50-132203) List of major Components Section Component Part Component Part Description Qty Per Assembly 22.3.1.3. 02-007206 Bandpass Filter 4 22.3.1.4. 05-003007 4 Port Hybrid Coupler 1 22.3.1.5. 07-015105 Wideband Asymmetric Coupler 1 22.3.1.6. 09-000902 Dummy load 1](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-37.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 412 of 500 22.3.1.1. 800MHz Output Quadplexer/Combiner (50-132203) Outline Drawing Drawing number 50-1322103](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-38.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 413 of 500 22.3.1.2. 800MHz Output Quadplexer/Combiner (50-132203) System Diagram Drawing number 50-132283](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-39.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 414 of 500 22.3.1.3. Bandpass Filter (02-007206) The bandpass filters are multi-section designs with a bandwidth dependent upon the passband frequencies, (both tuned to customer requirements). The response shape is basically Chebyshev with a passband design ripple of 0.1dB. The filters are of slot coupled, folded combline design, and are carefully aligned during manufacture in order to optimise the insertion loss, VSWR and intermodulation characteristics of the unit. The tuned elements are silver-plated to reduce surface ohmic losses and maintain a good VSWR figure and 50Ω load at the input and output ports. Being passive devices, the bandpass filters should have an extremely long operational life and require no maintenance. Should a filter be suspect, it is usually most time efficient to replace the module rather than attempt repair or re-tuning. No adjustments should be attempted without full network sweep analysis facilities to monitor both insertion loss and VSWR simultaneously. 02-007206 Specification PARAMETER SPECIFICATION Response type Chebyshev Frequency range 800 - 950MHz * Bandwidth 25MHz * Number of sections 8 Insertion loss 1.2 dB VSWR better than 1.2:1 Connectors SMA female Power handling 100W max operation -20°C to +60°C Temperature range storage -40°C to +70°C Weight 3 kg (typical) *tuned to Customer's specification 22.3.1.4. 4 Port Hybrid Coupler (05-003007) This transmitter hybrid coupler is a device for accurately matching two or more RF signals to single or multiple ports, whilst maintaining an accurate 50Ω load to all inputs/outputs and ensuring that the insertion losses are kept to a minimum. Any unused ports should be terminated with an appropriate 50Ω load. In this specific instance one port of 4 Port Hybrid Coupler (05-003007) is terminated with Dummy load 09-000902 (see below). 05-003007 Specification PARAMETER SPECIFICATION Frequency range 700-900MHz Bandwidth 200MHz Rejection >14dB Insertion loss 6.5dB (in band, typical) Connectors SMA Weight <1.0kg operational -10%C to +60%C Temperature range storage -20%C to +70%C](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-40.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 415 of 500 22.3.1.5. Wideband Asymmetric Coupler (07-015105) The purpose of Wideband Asymmetric Coupler (07-015105) is to tap off a known portion (in this case 30dB) of RF signal from transmission lines and to combine them, for example through splitter units for different purposes (alarms/monitoring etc.), whilst maintaining an accurate 50Ω load to all ports/interfaces throughout the specified frequency range. They are known formally as directional couplers as they couple power from the RF mainline in one direction only. 07-015105 Specification PARAMETER SPECIFICATION Construction Inductive air gap Frequency 800-2500MHz Through loss 0.4dB (typical) Coupling level -30dB ±0.5dB Isolation N/A Weight <1.0kg Connectors SMA, female operation -20°C to +60°C Temperature range storage -40°C to +70°C 22.3.1.6. Dummy load 09-000902 When a combiner system is used to split or combine RF signals, in many cases it is most cost effective to use a standard stock item 4, 6 or 8 port device where, in fact, only a 3 or 6 port device is needed. In this case 4 Port Hybrid Coupler (05-003007) has one of its ports terminated with an appropriate Dummy Load in order to preserve the correct impedance of the device over the specified frequency range. 09-000902 specification PARAMETER SPECIFICATION Frequency Range 0 - 2500 MHz Power Rating 25 Watts continuous VSWR Better than 1.1:1 Impedance 50 Ohms Temperature Range -20 to +60°C RF Connectors N Type female Dimension 110.3mm x 38.1mm x Weight 485 grams Finish Black Anodised RF Connector N Type male Environmental IP66 MTBF >180,000 hours](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-41.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 416 of 500 22.3.2. 800MHz 5 Cavity Combiner System (50-132205) 800MHz 5 Cavity Combiner System (50-132205) consists of 5 Dielectric Cavity Resonators mounted on two 3U rack mount panels, three on one panel and two on the other 800MHz 5 Cavity Combiner System (50-132205) List of Major Components Section Component Part Component Part Description Qty Per Assembly 22.3.2.3. 04-003401 Dielectric Cavity Resonator 5](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-42.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 417 of 500 800MHz 5CH CAVITY COMBINER OUTLINE DRAWING1:3 50-1322105GD26/10/2007PB26/10/2007AA02/10/07PL8x SLOTS SUITABLE FOR M6 FIXINGS532.2 12U265.9 6U 265.9 6UI1466.00482.5037.7 190.50 37.7 190.50PRODUCT NUMBER : 50-132205MATERIAL - FRONT PANEL & CHASSIS - ALUMINIUMFINISH - FRONT PANEL - IRIDITEFRONT PANEL - PAINTED RAL7035 (FRONT FACE & EDGES)CONNECTORS - `N' TYPE SOCKETAA ORIGINAL ISSUE PL 22.3.2.1. 800MHz 5 Cavity Combiner System (50-132205) Outline Drawing Drawing number 50-1322105](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-43.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 418 of 500 22.3.2.2. 800MHz 5 Cavity Combiner System (50-132205) System Diagram Drawing number 50-132285](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-44.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 419 of 500 22.3.2.2. Dielectric Cavity Resonator (04-003401) Cavity resonators are used in this system for their high Q factor response and power handling characteristics. Being finely tuned items, they can be prone to being de-tuned by mechanical shock or vibration therefore these units should be handled, stored and installed with care. Note that the cavities are coupled together using critical length harnesses. If any cable is to be changed the exact same length and type of cable should be used for replacement. 04-003401 Specification Specification Parameter Frequency Range 800 - 950MHz * Bandwidth 25 kHz* Insertion Loss < 1.0 dB Return Loss > 15 dB (at both ports) Attenuation > 10 dB at Fc ± 1 MHz Power Handling (CW) 20W Environmental IP54 Size 124mm x 158mm x 157mm** Weight 1.5 kg Connectors N female operation -20°C to +60°C Temperature range storage -40°C to +70°C *Tuned to Customer’s specification **Height is dependant upon position of tuning plunger](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-45.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 420 of 500 23. INTERNATIONAL STATION 800MHZ BDA Rack number CR9-CR-08 International Station 800MHz BDA (80-330555-2) List of Major Components Section Component Part Component Part Description Qty Per Assembly23.3.1. 50-132202 800MHz Channelised Amplifier 10 23.3.2. 50-132204 800MHz Uplink Amplifier/ Quadplexer 1](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-46.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 421 of 500 23.1. International Station 800MHz BDA (80-330555-2) Outline Drawing Drawing number 80-330555](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-47.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 422 of 500 23.2 International Station 800MHz BDA (80-330555-2) System Diagram Drawing number 80-330585-2](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-48.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 423 of 500 23.3. International Station 800MHz BDA (80-330555-2) Major Components 23.3.1. 800MHz Channelised Amplifier (50-132202) 3U rack mount chassis 800MHz Channelised Amplifier (50-132202) List of Major Components Section Component Part Component Part Description Qty Per Assembly 23.3.1.3. 09-000902 Dummy load 23.3.1.4. 10-000901 Switched Attenuator 0.25W, 0 - 15dB 1 23.3.1.5. 11-006702 Low Noise Amplifier 1 23.3.1.6. 12-020804 Power Amplifier 1 23.3.1.7. 13-003412 DC/DC Converter 1 23.3.1.8. 17-009127 Channel Selectivity Module 1 23.3.1.9. 17-011501 Channel Control Module 1 23.3.1.10. 80-008902 24V Relay Board 1 23.3.1.11. 93-910045 Dual Isolator 850-870MHz 1 23.3.1.12. 94-100004 Dual Diode Assembly 1 23.3.1.13. 96-300060 PSU 24V 1](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-49.png)
![STTRS DOCUMENTATION Document Number 80-330501HBKM – Issue A - Draft Page 424 of 500 POWER ONALARM 23.3.1.1. 800MHz Channelised Amplifier (50-132202) Outline Drawing Drawing number 50-1322102](https://usermanual.wiki/PBE-Europe-as-Axell-Wireless/55-165704.manual-4-of-5/User-Guide-966125-Page-50.png)