Elettronika S r l TXUP500 500 Watt Analog TV Broadcast Transmitter User Manual APT159B AUTV 500LD Rev0 Date190105 p65
Elettronika S.r.l. 500 Watt Analog TV Broadcast Transmitter APT159B AUTV 500LD Rev0 Date190105 p65
Contents
Users manual Part 2
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| Document ID | 636672 |
| Application ID | CrGm7UAmrkJRp5MvWVWczQ== |
| Document Description | Users manual Part 2 |
| Short Term Confidential | No |
| Permanent Confidential | No |
| Supercede | No |
| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 249.61kB (3120146 bits) |
| Date Submitted | 2006-03-15 00:00:00 |
| Date Available | 2006-05-19 00:00:00 |
| Creation Date | 2006-03-06 21:33:35 |
| Producing Software | Acrobat Distiller 3.0 for Windows |
| Document Lastmod | 2006-03-06 21:33:54 |
| Document Title | APT159B_AUTV_500LD_Rev0_Date190105.p65 |
| Document Creator | PageMaker 6.5 |
| Document Author: | Gianluca |
_______________________________________________________________________________________________ Section 4 - Diagram Contents: - Cable diagram - APT159A AUTV/500LD Power Supply Section - APT159A AUTV/500LD RF Section - APT159A AUTV/500LD Lateral View - MTF0083AR0 Amplifier module - Component list - SCH0192AR0 (200W UHF LDMOS Amplifier module) - SCH0259AR0 (RF Amplifier interface) - SCH0223AR1 (Control board and display) - SCH0288AR0 (Amplifier interface) - SCH0265AR0 (Mains distribution board) - E0012 (SP500-27-DI Switching power supply) 33 34 35 36 37 Component list MTF0083AR0 Amplifier module Part Name Code Description Qty 08502 08521 08527 00028A 01096 03207 07904 07907 SCH0192AR0 SCH0295AR0 PN0998A PN1079A PN1078A PN1083A 02402 02512 01041 01400 00424 DET0868 DET0842 DET0843 DET0844 DET0845 DET0846 DET0847 DET0849 00383 00403 00436 00027A 00041A 03017 07911 07910 PN1210A DET0805 DET1059 DET0813 DET1058 0148 RG 316 50W CABLE RG179 BU 75W CABLE HF-85 ENDIFORM CABLE 82W 1206 SMD RESISTOR 1nF CHIP MULT. 2222 863 15102 HSMS-2802*TR1 DIODE PASSANTINI TO3 cod. 672.1607 MICA x TO22 cod. 542-2822 200W LDMOS UHF AMPLIFIER MODULE INTERFACE BOARD C.S. PN998AR1 SOMMATORE ALIMENTATORE C.S. PN1079AR2 DIVISORE IN 3 VIE 500W UHF C.S. PN1078AR4 COMBIN. DUSCITA x 500W UHF C.S. PN1083AR2 ACCOPPIATORE INGRESSO 1500W 7/16 FEMMINA ANIM. FILET. cod. 0142 J01151A0531 PRESA SMA SEN. BAT. 1nF COND. CERAMICO 50V C. PAS. 2499-003-X5U0-102M TERMINAZIONE 50W 250W 32-1037-50-5 DET0868R0 SPESS. ACC. DIR. ING. 1000W UHF DET0842R4 DISSIPATORE 700W UHF LDMOS DET0843R1 SPOND. LAT. 700W UHF LDMOS DET0844 SPOND. ANT. 700W UHF LDMOS DET0845R2 SPOND. POST. 700W UHF LDMOS DET0846R2 SPOND. CENTR. 700W UHF LDMOS DET0847R1 SPESSORE x PN1078A DET0849R1 CHIUS. 700W UHF LDMOS P.2670 1W SMD RESISTOR 2512 100R 224/0272 270W 1W SMD RESISTOR 2512 1% ATTENUATORI 20W PPA 20.6 68W 1206 SMD RESISTOR 1kW 1206 SMD RESISTOR 5% MBR3045PT DIODE MICA IN SIL-PAD x TO3P VA001080 PASSANTE x TO220 cod. 672/1606 C.S. PN1210AR2 ACCOPPIATORE DIREZIONALE DET0805R4 PARTICOLARE PRELIEVO MONITORIA DET1059R0 ANELLO IN TEFLON x ACCOP. DIREZ. DET0813R1 LINEA PART. PRELIEVO MONITORIA DET1058R0 CHIUSURA x ACCOP. DIREZIONALE C. PAS. 5000PF 1,30 0,27 0,25 38 Component list APT159B - AUTV/500LD Part Name Code Description Qty 05570 05578 APT159A 02502 08504 CMS6006 02029 CSS5011 DET0483 DET0631 PAN0080 PAN0081 PAN0082 06673 GUIDE FOR RACK TAV. 816RB RKG6 560mm ZN RACK 20U RK20 600mm DEPTH AUTV/500LD LDMOS UHF AMPLIFIER MEANWELL SMA SOCKET FOR RG58/c J01150A0041 RG58 50W CABLE 1/2 FORM 1mt CABLE 7/16 (M) CONN. BN203391 GE35145 D/60 BN (UG909/c FOR RG58) RG58 FROM 1.5mt NM/NM CABLE DET0483R0 BAR. PR. 683 REG. PCAV ZN P. 2557 DET0631R1 ANGOL. FISS. FILTRO FOR 300W CINA PAN0080R0 PANN. FRONT. 1U CON POLICARB. PAN0081R0 PANN. FRONT. 2U CON POLICARB. PAN0082R0 PANN. FRONT. 3U CON POLICARB. 500W UHF BANDPASS FILTER mod. CL3NL6 39 This page is intentionally blank 40 200W UHF LDMOS AMPLIFIER MODULE SCH0192AR0 DESCRIPTION The RF module is an integrated TV linear amplifier designed for UHF band, this module employs push-pull LDMOS technology in order to achieve very good efficiency, high linearity and reliability. LDMOS transistors operate in AB class. It is a wideband amplifier over the full frequency, no adjustment is required for the channel change. The board includes RF section amplifier, bias circuit, protection circuit and matching networks. A silver plated copper plate is brazed with PCB in order to obtain low thermal resistance. Providing a minimum of 200W Pk sync linear power, this module is the perfect amplifier for any broadband UHF power transmitter. TECHNICAL CHARACTERISTICS Output power Input power Frequency Gain LDMOS Power supply LDMOS Bias current @+32V Vdc RF Input impedance RF Output impedance Input / Output return loss Drain efficiency Storage temperature range Dimensions (LxWxH) 300W max 15W max 470 - 860MHz > 13dB 32V ±2% 2A 50W 50W > = 15dB 47% @ 250W -50° to +150°C 165x95x29mm 41 - Curve response graphic Middle frequency 660MHz, span 500MHz, 2dB/div., reference to the arrow CALIBRATION PROCEDURE - Technical characteristics Power supply voltage Polarisation current Gain for low signal 32V (± 2%) 1.0 cold for each device (2A total), ± 0.1A Not less than 13dB in the 470-860MHz band (± 1dB) Compare to the typical curve eclosed - Adjustment procedure Polarisation current calibration Gain curve 32V stabilised power supply 10A amperometer Network analyser - Adjustment points description R7-R8 (Trimmers) 42 Adjust the current absorbed in stand-by (1.0A per device) - Calibration steps STEP 1. Close the input and the output of the module by connecting them to a 50W W dummy load and connect the spectrum analyser through a directive sample, in order to look for self-oscillation of the module, if any (anyway the module has been designed so that it would not self-oscillate even if totally decoupled, without any input or output load). STEP 2. Check the voltages of the polarisation circuits without assembling the transistors first: connect the 32V power supply to the proper turret by means of a fastening screw, then give power and check data: - the stabilised voltage on the zener diodes DZ1 and DZ2 is about 15V compared to the ground; - the stabilised voltage on the zener diodes DZ3 and DZ4 is about 6.8V compared to the ground; - the voltage on the pads to which the gates of the LDMOS transistors will be soldered (R23 and R24 resistors side) changes from 0V to a maximum value of about 6V when moving the relevant trimmer (R7-R8). STEP 3. Check the work of the protections. - Set both trimmers so that there is a value of about 4.5V on the pads of the gates; - solder some wire to the pad between the two LEDs, next to the serigraphy of the input hybrid H1; Solder a wire - in order to check the work of the protections aboard, a power of about 4V has to be supplied to the wire, for example by touching with it the reophore of C23 or C24 which is not connected to ground; the two red LEDs will immediately light up and the two RF transistors will be switched off at the same time: the polarisation current (2A) will decrease to 0 and of course the gain curve displayed by the spectrum analyser will decrease; - after this it is important to restore the position of the two trimmers for the minimum voltage! Then disconnect the 32V power supply. STEP 4. Fastening of the LDMOS transistors: after properly cleaning the plate surface, smear a thin layer of silicone fat on the lower side of the flange of the MOSFETs, fasten them to the heat sink and solder the gate first, then the drain. Solder the two 13pF (ATC) chip capacitors and above them the two 1-5pF 43 capacitive trimmers, between the two pair of gates, as shown by the mounting plan. STEP 5. Connect serially a c.c. amperometer to the power supply, with scale starting from more than 5A (i.e. 10A). STEP 6. Power the module and check the MOSFET is not absorbing current; this means that the device is integral and working correctly. STEP 7. Slowly turn the R7 trimmer until the MOSFET absorbs 1A, always checking that there are no self-oscillation; under this conditions it is possible to check by means of a digital tester that the voltage on the gate is about 5.2-5.4V. STEP 8. Repeat the previous step for the other section of the module, this time turnign R8 and checking that the indication of the current on the amperometer increases to 2A total (which includes the current of the other device left on). STEP 9. Check the response curve of the module by means of the network analyser. STEP 10. Check the response curve for low signal with centre 660MHz and span 500MHz, 2dB/div. STEP 11. The curve should be similar to the one enclosed, with a tolerance of ± 0.5dB. To obtain this, act on the four trimmers C41-C41a and C42-C42a with the proper calibrator, inorder to flatten the curve as much as possible, especially at the edged of the band which represents the minimum values. STEP 12. Finally, check that the current in stand-by does not increase by more than 15÷20%, reaching at worst 2.3÷2.4A when the heat sink is hot and not ventilated. Note: when mounting-removing the PALLET on the heat sink, tightly fasten the screw of each all N input and output connectors. These are mounted with a single 3mm screw and if it is not properly fastened it may be detached from the PCB by a movement of the connector once it has already been soldered to the path. 44 Component layout SCH0192AR0 45 46 COMPONENT LIST SCH0192AR0 REF. DESCRIPTION ELETTRONIKA CODE R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 *R25 *R26 C1 C2 C3 C4 C5 C6 C7 C8 x 2 C9 x 2 C10 x 4 C11 x 4 C12 C13 C14 C15 C16 C17 2200W 1/4W 1206 SMD RESISTOR 2200W 1/4W 1206 SMD RESISTOR 2200W 1/4W 1206 SMD RESISTOR 2200W 1/4W 1206 SMD RESISTOR 1200W 1/4W 1206 SMD RESISTOR 1200W 1/4W 1206 SMD RESISTOR 50kW MULTITURNS PTH TRIMMER 50kW MULTITURNS PTH TRIMMER 1200W 1/4W 1206 SMD RESISTOR 1200W 1/4W 1206 SMD RESISTOR 18kW 1/4W 1206 SMD RESISTOR 18kW 1/4W 1206 SMD RESISTOR 680KW 1/4W 1206 SMD RESISTOR 0W 1/4W 1206 SMD RESISTOR 50W 30W 1512EBX SMD RESISTOR 50W 60W 4.7kW 1/4W 1206 SMD RESISTOR 4.7kW 1/4W 1206 SMD RESISTOR 3.9W 1/4W 1206 SMD RESISTOR 3.9W 1/4W 1206 SMD RESISTOR 3.9W 1/4W 1206 SMD RESISTOR 3.9W 1/4W 1206 SMD RESISTOR 1000W 1W 2512 SMD RESISTOR 1000W 1W 2512 SMD RESISTOR = R15 (da montare se si inverte lingresso) = R26 (da montare se si inverte luscita) 470uF 50V PTH ELECTROLYTIC CAPACITOR 470uF 50V PTH ELECTROLYTIC CAPACITOR 470uF 50V PTH ELECTROLYTIC CAPACITOR 100uF 50V PTH ELECTROLYTIC CAPACITOR 100uF 50V PTH ELECTROLYTIC CAPACITOR 1nF ATC 100B CAPACITOR OR EQUIVALENT 1nF ATC 100B CAPACITOR OR EQUIVALENT 2 x 100nF ATC CAPACITOR OR EQUIVALENT 2 x 100nF ATC CAPACITOR OR EQUIVALENT 4 x 100pF ATC 100B CAPACITOR OR EQUIVALENT 4 x 100pF ATC 100B CAPACITOR OR EQUIVALENT 100nF 1210 SMD CAPACITOR 100nF 1210 SMD CAPACITOR 100nF 1210 SMD CAPACITOR 1uF 35V SMD TANTALIUM CAPACITOR 1uF 35V SMD TANTALIUM CAPACITOR 100nF 1210 SMD CAPACITOR 00045A 00045A 00045A 00045A 00042A 00042A 00800 00800 00042A 00042A 00056B 00056B 00075A 00001 00416A 00432 00049A 00049A 00012A 00012A 00012A 00012A 00396 00396 Page 1/3 01807B 01807B 01807B 01795 01795 01145 01145 01065H 01065H 01135 01135 1065G 1065G 1065G 01613A 01613A 1065G 47 REF. DESCRIPTION ELETTRONIKA CODE C18 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 x 2 C42 x 2 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 C57 C58 C59 T1 T2 B1 100nF 1210 SMD CAPACITOR 10uF 16V SMD TANTALIUM CAPACITOR 10uF 16V SMD TANTALIUM CAPACITOR 100nF 1210 SMD CAPACITOR 100nF 1210 SMD CAPACITOR 100nF 1210 SMD CAPACITOR 100nF 1210 SMD CAPACITOR 1nF ATC 100B CAPACITOR OR EQUIVALENT 1nF ATC 100B CAPACITOR OR EQUIVALENT 1nF ATC 100B CAPACITOR OR EQUIVALENT 1nF ATC 100B CAPACITOR OR EQUIVALENT 20pF ATC 100B CAPACITOR OR EQUIVALENT 20pF ATC 100B CAPACITOR OR EQUIVALENT 20pF ATC 100B CAPACITOR OR EQUIVALENT 20pF ATC 100B CAPACITOR OR EQUIVALENT 1.3pF ATC 100B CAPACITOR OR EQUIVALENT 1.3pF ATC 100B CAPACITOR OR EQUIVALENT 470pF ATC 100B CAPACITOR OR EQUIVALENT 470pF ATC 100B CAPACITOR OR EQUIVALENT 470pF ATC 100B CAPACITOR OR EQUIVALENT 470pF ATC 100B CAPACITOR OR EQUIVALENT 4.7pF ATC 100B CAPACITOR OR EQUIVALENT 4.7pF ATC 100B CAPACITOR OR EQUIVALENT 2 x 1¸5pF JOHANSON SMD TRIMMER 2 x 1¸5pF JOHANSON SMD TRIMMER 3.6pF ATC 100B CAPACITOR OR EQUIVALENT 3.6pF ATC 100B CAPACITOR OR EQUIVALENT 6.8pF ATC 100B CAPACITOR OR EQUIVALENT 6.8pF ATC 100B CAPACITOR OR EQUIVALENT 6.8pF ATC 100B CAPACITOR OR EQUIVALENT 6.8pF ATC 100B CAPACITOR OR EQUIVALENT 13pF ATC 100B CAPACITOR OR EQUIVALENT 13pF ATC 100B CAPACITOR OR EQUIVALENT 8.2pF ATC 100B CAPACITOR OR EQUIVALENT 8.2pF ATC 100B CAPACITOR OR EQUIVALENT 8.2pF ATC 100B CAPACITOR OR EQUIVALENT 8.2pF ATC 100B CAPACITOR OR EQUIVALENT 10pF ATC 100B CAPACITOR OR EQUIVALENT 10pF ATC 100B CAPACITOR OR EQUIVALENT 4.7pF ATC 100B CAPACITOR OR EQUIVALENT 4.7pF ATC 100B CAPACITOR OR EQUIVALENT 0.3pF ATC 100B CAPACITOR OR EQUIVALENT BLF861A RF LDMOS POWER TRANSISTOR BLF861A RF LDMOS POWER TRANSISTOR COAX 2:1 BALUN 1065G 01626A 01626A 1065G 1065G 1065G 1065G 01145 01145 01145 01145 01123 01123 01123 01123 01104 01104 01143 01143 01143 01143 01108 01108 1485 1485 01104B 01104B 01111 01111 01111 01111 01119A 01119A 01113 01113 01113 01113 01117 01117 01108 01108 01160 04034 04034 08491 48 Page 2/3 REF. DESCRIPTION ELETTRONIKA CODE B2 B3 B4 L1 L2 L3 L4 H1 H2 NTC1 NTC2 IC1 IC2 DZ1 DZ2 DZ3 DZ4 DL1 DL2 PN964AR3 COAX 2:1 BALUN COAX 4:1 BALUN COAX 4:1 BALUN 4 TURNS SILV. COP. WIRE 1.2mm WOUND ON OD 5mm 4 TURNS SILV. COP. WIRE 1.2mm WOUND ON OD 5mm ½ TURN COIL ½ TURN COIL HYBRID COUPLER 3dB 90° ANAREN HYBRID COUPLER 3dB 90° SAGE NTC 100KW PTH NTC 100KW PTH DG419DY DG419DY 15V SMD ZENER DIODE 15V SMD ZENER DIODE 6.8V SMD ZENER DIODE 6.8V SMD ZENER DIODE SMD LED DIODE - RED SMD LED DIODE - RED PCB Torretta 3x10 f/f Imballo velapack 200x125x50 08491 08492 08492 07684 07684 Page 3/3 05368 05369 00661 00661 04583 04583 03135 03135 03137 03137 03056 03056 0643K V0774 09983 49 RF AMPLIFIER INTERFACE SCH0259AR0 Component layout SCH0259AR0 COMPONENT LIST SCH0259AR0 Part Name/Number Description Qty. Comps. CC 100nFAVX 01065A CE 100uF100V CE 100uF50V 01795 CE 10uF35V-S 01778A D 1N4007 03009 D 6CWQ10FN IC LM317HV J FC-16P 02701-02700 J SCREWCONN2 02853 J SCREWCONN3 02860 J TESTP1.3mm 07913 JU JUMP2 02739-02742 JU JUMP3 02707-02742 R 0R33-1W-S R 100K-S 00065A R 220R-S 00033A R 22K-S 00057A R 270R-S 00034A R 4K7-S 00049A TR BC856 03455 01065A CERAMIC COND 01795B ELETT. COND. 01795 ELETT. COND. 01778A ELETTR SMD COND 03009 DIODE 03026 SMD DIODE SCHOTTKY 3,5A 04340A INTEG CIRCUIT 02701+02700 PCB CONNECTOR POL 02853 PCB SCREW CONNECTOR 02860 PCB SCREW CONNECTOR 07913 TEST POINT 02739+02742 MASCHIO PAN2 02707+02742 MASCHIO PAN3 00380 RES 1W 5% SMD 2512 00065A RES 1/4W 5% SMD 1206 00033A RES 1/4W 5% SMD 1206 00057A RES 1/4W 5% SMD 1206 00034A RES 1/4W5% SMD 1206 00049A RES 1/4W 5% SMD 1206 03455 PNP SMD TRANSISTOR 17 C1, C3, C6, C8 C2 C7 C4-5 D4 D1-3 IC1-2 J21 J11, J19 J20 J1-10, J12-18 JP1-2, JP4 JP3 R1-2 R7 R4 R5 R3 R6 TR1 50 51 CONTROL BOARD AND DISPLAY SCH0223AR1 DESCRIPTION The control board SCH0223AR1 manages the operational logic of the amplifier: switching on and off, power supply and fans, alarms and protections, remote control, human-machine interface. All of that is performed by a modern and powerful 16 bit micro-controller, which is the main part of the board. Figure 1 shows the block diagram. Figure 1: Simplified block diagram of the control and display board 52 It can be seen that the micro-controller is the heart of the control system, to which the various peripherals (power supply, serial ports, telemeasure socket, AGC port, RF amplifier module, ROM, clock, display and keys) are interfaced. - Power Supply The board is powered with a continuous +24V voltage applied on the J14 connector. From that the +5V voltage, powering the most of the chips (micro-controller, operational amplifiers, display, etc.) is derived by means of a switching converter (see IC19). A +12Vdc voltage is obtained from it as well, by means of a linear conversion provided by the integrated circuit IC8. From this, a -12Vdc voltage is obtained by means of the integrated circuit IC5. The -12V voltage is used to adjust the contrast of the display. - Connectors On the board SCH0223AR1 there are several connectors used as interfaces for the peripherals of the apparatus and the ports for external communication. POWER SUPPLY The connectors J1, J6, J8 e J12 are used to connect the power supply powering the RF modules. The number of power supply used changes depending on the amplifier, up to eight power supply. They are connected in the order shown in Table 1 below. Remaining connectors, if any, are left unconnected. CONNECTOR POWER SUPPLY N° J1 1-2 J6 3-4 J8 5-6 J12 7-8 Table 1: Interface connectors for the power supply Through this connection, each power supply provides the level of voltage and current acquired by the microcontroller by means of an internal ADC. Besides the connectors allow the control board to turn on or off the individual power supply (for instance when an alarm occurs). 53 RF AMPLIFICATION The J3 connector interfaces the control board with the RF amplification section. Through this connector the micro-controller acquires the forward and reflected powers, unbalancing (if any), and temperature of the critic amplification area. It also allows to inhibit the transistors in case of reflected power alarm, by means of a totally hardware, thus extremely fast protection. Depending on the apparatus, this connector may also allow to enable or disable the cooling fans of the critic area. RS485 The J11 connector (10 pin socket) is directly wired to a DB9 female connector placed on the rear panel of the apparatus. This communication bus allows to connect the amplifier to the control (Amplifier Control) module of a high-power transmitter composed by several individual amplifiers. In this case, each amplifier and the Amplifier Control are connected to the same 4-wires RS485 bus and each of them has a unique address (which can be set by means of the keys and the display) for correct communication. In case of single (stand-alone) amplifier, the RS485 connector can be used to interface to the Remote Control Unit (RCU) made by Elettronika S.r.l. This unit allows to monitor and control the remote transmitter from any site provided with PSTN or GSM1 phone connection. Table 2 shows the wiring between the J11 connector on the board and the DB9 female connector on the rear panel, along with the description of the lines. PIN N° ON DB9 PIN N° ON J11 DESCRIPTION Not used Rx- Rx+ +5V GND Not used Tx- Tx+ Not used Table 2: Description of the RS485 connector For more details about the control system contact the distributor or the manufacturer. 54 TELEMEASURES The J9 telemeasure connector (10 pins socket) is directly wired on a DB9 female connector placed on the rear panel. There are input and output digital lines (TTL level) and analog output lines on this connector, which are used to monitor and control the amplifier by means of a general-purpose remote control system. The correspondence between the pins of the J9 connector on the board and the DB9 female connector on the rear panel, as well as the meaning of the various lines, is shown in table 3 below (the directions are in respect to the micro-controller on the board). PIN N° ON DB9 PIN N° ON J9 TYPE DIRECTION Analog Output Forward power (*) Analog Output Reflected power (*) Analog Output Temperature Digital Input 6-7 2-4 Digital Output Digital Input Turning-on control (normally high, active when low) Digital Input Turning-off control (normally high, active when low) DESCRIPTION Interlock: 0V = Interlock Alarm 5V = Normal Ground Free Contact (closed when amplifier is in alarm) (*) You can select by means of two jumpers on the board (JP1 and JP2) RMS or peak power. If there are two jumpers on pins 1 and 2 of JP1 and JP2 connectors, RMS power is selected. Otherwise, if there are two jumpers on pins 2 and 3 of the same connectors, peak power is selected. Table 3: Description of the telemeasures connector The input stage of the digital pins has an internal pull-up towards the 5V power supply voltage. To use these lines it only takes setting a switch to close to earth. When closed, the relevant control (turning on or off) is enabled and the switch may be open again (impulse controls). The interlock pin may be used as protection so that the amplifier is switched off when the digital input level is low. It is possible to use several serially connected switches to make an interlock chain. Usually all switches are closed and the interlock level is low, thus the amplifier is on. If even only one of the switches is open, the 55 level of the interlock signal becomes high (this line has a pull-up towards the +5V power supply voltage as well) and the interlock protection activates switching off the amplifier. Note that in case the interlock protection is not used, the pin 4 of the DB9 telemeasure connector and the earth pin (pin 5) must be short circuited. Otherwise it is possible to disable the monitoring of the interlock chain from menu (see user manual). Figure 2 shows a typical usage for the digital input signals to turn on and off the amplifier and for the interlock alarm. Figure 2: Usage of the digital input signals of the telemeasures connector AGC / EXCITER The connector called J10, as the telemeasures connector and the RS485 bus, is wired to a DB9 female connector placed on the rear panel of the amplifier. This connector allow the implementation of an automatic gain control between an exciter and the amplifier. A voltage signal related to the forward output power supplied by the amplifier is provided through two pins of the AGC connector. Connecting one of these to the relevant input pin of the exciter, this can pursuit a given voltage level, so that the output power is always constant. In order to avoid that, in case of an alarm decreasing the forward power, the exciter increases its output level due to the AGC, thus damaging the amplification stages, the connector is provided with two digital output lines called AGC Alarm. Under alarm conditions, this lines are brought by the micro-controller at a low level, so that the exciter can stop the AGC. Table 4 shows the connection between the J10 connector on the board and the DB9 connector on the rear panel, along with the description of each pin (the direction of the pin is referred to the position of the microcontroller on the board). 56 PIN N° ON DB9 PIN N° ON J10 TYPE DIRECTION Digital Output AGC Alarm 0V = Alarm 5V = Normal Digital Output AGC Alarm 0V = Alarm 5V = Normal Not used Not used Not used Nout used Analog Output Forward power Analog Output Forward power DESCRIPTION Ground Table 4: Description of the AGC connector RS232 The DB9 female connector on the front panel is an external communication RS232 serial port, through which a PC can be connected directly to the amplifier in order to perform operations such as the remote control (by means of an adequate software2) and the update of the microcontroller firmware. The used communication protocol is asynchronous, at a 19200bps speed, 1 start bit, 8 data bits, 1 stop bit, no parity. No hardware flow control is used. The connector is DCE type and the pin used are shown in Table 5. PIN N° ON DB9 DESCRIPTION TxD RxD GND Table 5: Description of the RS232 connector MISCELLANEOUS The J2 (called AUX), J4, J5 and J17 connectors are not used and are there only for future updates. The SW1 dip-switches are partially used for the configuration of the correct mode for the micro-controller. The other switches are not used. It is important that the position of the dip-switches is left unchanged, because changing it may set a wrong mode for the micro-controller, affecting the work of the whole amplifier. For more information about this application contact the distributor of the manufacturer. 57 FIRMWARE UPDATE The microcontroller is provided with a built-in Flash memory containing the firmware. The firmware can be updated with a later version without removing the apparatus from the rack and/or replacing the chip. To upgrade it, connect a PC to the RS232 socket on the front panel of the apparatus by means of a cable DB9 male - DB9 female (pin-to-pin). Launch on the PC the EKAFlash application, select the serial port in use on the PC, choose the update file by pressing the ... key and click on Download button. Eventually, turn off the amplifier from the main switch and then turn it on again. The upgrade of the firmware begins on the EKAFlash window. Fifure 3 shows this window while a firmware is being updated. Figure 3: The EKAFlash window while updating a firmware 58 59 60 61 62 63 64 65 66 COMPONENT LIST SCH0223AR1 Part Name/Number Description Qty. Comps. Page 1/2 BATT BH001RB 3093_90 CC 100nF-S 01065C 03093 03090 BATTERY HOLDER 01065C Y5V 1206 COND 46 CC 15pF-S 01088 CC 1nF-S 01096 CC 1uF100V-S 01760A 01088 SMD 1206 COND 01096 SMD 1206 COND 01760A Y5V 1206 COND 13 CC 47pF-S 01100 CE 100uF25V-S 01793B CE 10uF35V-S 01778A CE 1uF35V-S 01613A CE 220uF50V LOW ESR CE 22uF16V-S CE 47uF35V-S 01790A D 1N4148-S 03002 D 50WQ06FN D BAS85-S D BAT54S DIS MGLS12864T DL KA-3528SGC 03057 DL LEDG5 03060 DL LEDR5 03061 DL LEDY5 03054B IC 24LC64 04815 IC 78M12 4307B IC CD4051BM-S IC LM2596S-5.0 IC LM358M-S 04660 IC LM393-S 04639 IC LMC6482-S IC LMC6484-S 01100 SMD 1206 COND 01793B ELETTR SMD COND 01778A ELETTR SMD COND 01613A TANTALIUM ELETTR SMD CO 1799A ELETTR SMD COND LOW ESR 01780A ELETTR SMD COND 01790A ELETTR SMD COND 03002 SMD DIODE 03019A SMD DIODE SCHOTTKY 5,5A 03024 SMD DIODE SCHOTTKY 03199 SMD SCHOTTKY DIODE A-K T 03083A 128x64 DOT (BLUE-LED WH 03057 GREEN SMD LED DIODE 03060 GREEN LED DIODE 5mm 03061 RED LED DIODE 5mm 03054B YELLOW LED DIODE 5mm 04815 SMD INTEG CIRCUIT 04307B SMD VOLTAGE REGULATOR 04615 SMD INTEG CIRCUIT 04580 SMD INTEG CIRCUIT 04660 SMD INTEG CIRCUIT 04639 SMD INTEG CIRCUIT 04632 SMD INTEG CIRCUIT 04634 SMD INTEG CIRCUIT 19 IC M41T56 04611 IC MAX232-S 04804B IC MAX3080-S 04770 IC MAX942CSA-S IC MB90F543PF IC MPC100-450DI-TO IC TC7662BCOA 04758A IC ULN2003A 4870 IND 2u2H-S 05020A 04611 SMD INTEG CIRCUIT 04804B SMD INTEG CIRCUIT 04770 SMD INTEG CIRCUIT 04572 SMD INTEG CIRCUIT 04596 SMD INTEG CIRCUIT 04608 INTEG CIRCUIT 04758A SMD INTEG CIRCUIT 04870 SMD INTEG CIRCUIT 05020A INDUCTOR BATT1 C2, C7-10, C12, C16, C19, C21-27 C29, C31, C33, C37-40, C44-46, C49, C58-61, C63, C65-69, C74, C76, C78-81, C83-84, C87, C90 C13-15, C17 C3-6, C50-51, C53 C1, C18, C28, C36, C43, C54, C56-57, C62, C73, C77, C88-89 C42, C52 C11, C47 C20, C32 C70-72, C75, C82 C55, C64, C85-86 C34-35, C41, C48 C30 D1-2, D5-9 D23 D14-15 D3-4, D10-13, D16-22, D24-29 DIS1 DL2, DL5-10 DL1 DL4 DL3 IC17 IC8 IC7, IC14, IC23 IC19 IC3 IC2 IC24 IC1, IC4, IC6, IC9, IC13, IC18, IC25 IC20 IC21 IC22 IC10 IC11 IC16 IC5 IC12, IC15 L1 67 Part Name/Number Description Qty. Comps. IND MS85 10uH-S IND T100uH-1.8A 4958 J CON HD515V/05-4PVE J DB9_F-0° LT J FC-10P 02697-02699 J FC-16P 02701-02700 J PAN2 02739-40-41 J PAN8 02716 JU JUMP2 02739-02742 JU JUMP3 02707-02742 R 100K-1%-S 00065B R 100R-1%-S 00029D 04948 INDUCTOR 2,7 A 04958 TOROIDAL-STORAGE CHOKES 02881 + 02882 PANDUIT PCB CONN 02794 PCB CONNECTOR DB9 LONG T 02697+02699 PCB CONNECTOR POL 02701+02700 PCB CONNECTOR POL 02739+02740+02741 PCB CONNECTO 02716 PCB CONNECTOR 02739+02742 MASCHIO PAN2 02707+02742 MASCHIO PAN3 00065B RES 1/4W 1% SMD 1206 00029D RES 1/4W 1% SMD 1206 10 12 R 10K-1%-S 00053B 00053B RES 1/4W 1% SMD 1206 32 R 10R-S 00017A R 1206 NOT MOUNTED R 1K0-1%-S 00041B 00017A RES 1/4W 5% SMD 1206 NOT MOUNTED RES 1/4W 5% SMD 12 00041B RES 1/4W 1% SMD 1206 R 22K-1%-S 00057B 00057B RES 1/4W 1% SMD 1206 11 R 2K2-1%-S 00045B R 470K-S 00073A 00045B RES 1/4W 1% SMD 1206 00073A RES 1/4W 5% SMD 1206 11 R 470R-1%-S 00037B R 4K7-1%-S 00049B R 68K-1%-S 00063B R 820R-S 00040A R 8K2-1%-S 00052B RL 30.22.24 07569 RV 100K-3266X RV 10K-3266X 00807 SW SWITCH-8DIP T 06086 N 7630 7632 TR BC848 03457 TR BC856 03455 XTAL 32.768k-S 05146 XTAL 4MHz-S 05101A 00037B RES 1/4W 1% SMD 1206 00049B RES 1/4W 1% SMD 1206 00063B RES 1/4W 1% SMD 1206 00040A RES 1/4W 5% SMD 1206 00052B RES 1/4W 1% SMD 1206 07569 RELE 00814 VARIABLE RESISTOR 00807 VARIABLE RESISTOR 07530A PCB DIP SWITCH SMD 7630 7632 KTI06086 PULSANTE 2 03457 NPN SMD TRANSISTOR 03455 PNP SMD TRANSISTOR 05146 QUARTZ 05101A QUARTZ L2 L3 J14 J13 J1-2, J6, J8-12 J3 J5, J7, J15 J4 JP3 JP1-2 R65-66, R94-101 R24, R47, R58, R71, R75,R81, R83, R89, R103-105, R113 R7, R10, R12, R14-16, R22, R25, R27, R30, R33-34, R36, R38, R51, R62-64, R78-79, R84-85, R87-88, R92-93, R106-111 R68 R91 R17, R54, R59-60, R76-77, R86, R90 R9, R21, R26, R28-29, R37, R45, R48-50, R69 R52, R55, R61 R8, R23, R40, R42, R46, R57, R70 R74, R80, R102, R112 R11, R13, R39, R53, R56, R67 R18, R31, R43 R19-20, R32, R44 R35, R72-73, R82, R114-116 R41 RLY1-3 R1-4 R5-6 SW1 T1-4 TR1-2 TR3-4 XTAL2 XTAL1 68 Page 2/2 INTERFACE BOARD SCH0288AR1 Component layout SCH0288AR1 COMPONENT LIST SCH0288AR1 Part Name/Number Description Qty. Comps. CC 1nF-S 01096 DZ 5V1-S 03128 J FC-10P 02697-02699 J FC-10P PCB FEMALE R 0R0-S 00001 01096 SMD 1206 COND 03128 SMD ZENER DIODE 02697+02699 PCB CONNECTOR POL 02706 PCB FEMALE CONNECTOR POL 00001 RES 1/4W 5% SMD 1206 16 16 R 10K-S 00053A 00053A RES 1/4W 5% SMD 1206 16 R 1206 NOT MOUNTED NOT MOUNTED RES 1/4W 5% SMD 12 16 RV 3266W NOT MOUNT NOT MOUNTED VARIABLE RESISTOR 16 TR BC847 03456 03456 NPN SMD TRANSISTOR C1-16 DZ1-8 J2-3, J6-7 J1, J4-5, J8 R1, R8, R12, R15, R21, R23, R26 R28, R33, R40, R44, R47, R53, R55, R58, R60 R3-6, R17-18, R31-32, R35-38, R49-50, R63-64 R2, R10, R14, R16, R19, R24, R29, R30, R34, R42, R46, R48, R51, R56, R61-62 R7, R9, R11, R13, R20, R22, R25, R27, R39, R41, R43, R45, R52, R54, R57, R59 TR1-8 69 70 MAINS DISTRIBUTION BOARD SCH0265AR0 Component layout SCH0265AR0 COMPONENT LIST SCH0265AR0 Part Name/Number Description Qty. Comps. CC 2nF2 2kV 01045A CNV AC-DC ATC-12S D 1N4148 03001 DL LEDG3 03053 J CON HD515V/05-4PVE J CON HD515V/05-5PVE R 2K7 0046 RL 40.31.24 01045A CERAMIC COND E0037 AC DC CONVERTER 03001 DIODE 03053 GREEN LED DIODE 3mm 02881 + 02882 PANDUIT PCB CONN PANDUIT PCB CO 0046 RES 1/4W 5% 7567C RELE C1-2 CNV1 D1-2 DL1 J2 J1 R1 RLY1-2 71 72 SP500-27-DI SWITCHING POWER SUPPLY E0012 SPECIFICATION MODEL SP-500-27 (E0012 Code) SP-500-48 (E0013 Code) DC Output Voltage Output Rated Current Output Current Range Ripple & Noise (p-p) DC Output Power Efficiency DC Voltage Adj. Over V. Protection Input Voltage Range Input Frequency Power Factor Overload Protection 27Vdc 18A 0-18A 200mVp-p 486W 87% 24-30V 31V-36.5V 88-264Vac 47-63Hz 0.95/100-240Vac 105%-135% Type: Foldback current limiting Recovery: Auto > =70°C Output Shutdown Temp. > =60°C Fan On < =50°C Fan Off -10°C/+50°C, 20%-90% RH 185x120x93 1.8Kg. 48Vdc 10A 0-10A 240mVp-p 480W 87% 41-56V 57.6V-67.2V Over Temp. Protection Fan Control Working Temp., Humidity Dimension Weight 73 R71 5K1 C57 103/100V C53 104/63V U51:2 MOC3022 D54 1N4148 R80,81 27/1W 39/1W C71,72 331 /1KV 221 /1KV 27V 48V PART NO. D9202 D9202 D60,61 62 SP-500B DIFFERENT COMPONENT: R72 330 MODEL 1M 102/100V PC123 U53:B 103/100V C54 C55 TR132 TR131 L51 CN2 R68 C58 2K2 6K8 /1/2W 220u /63V 3K3 /2W R86 V- 470u /50V C73,74 75 U55 3845 36K 22K R94 C61 471/100V 1K5 1K8 R95 C64 104/630V R54 15/1/2W V- R57 680 R66 1K 224 /100V 224 /100V C80 R61 1R Q54 A1020 Q53 2SC2655 R55 5.1 T+ T- 910 820 R87 C101 TF404 J2,J3 J1,J2 J3 1.40 10mm ZD52 D69 17 HER204 C102 18 16 ZD53 ZD54 33V/1W 27V/1W 33V/1W L52 DR005 ZD60 16.1V 10.6V 750 1K R84 RG51 7812 L51:A R50 6K8 1/8W 3K6 1/8W 10 RC R119 1K/1/8W R118 1K/1/8W R88 1K/1/8W U54:C LM324 U53:A PC123 C79 104/63V R112 22/1/2W D60:B U54:DLM324 C72 R113 D62:A D76 HER104 R114 1K/1/8W C87 222/500V Im 10-12 222/250VAC 13-15 D61:A 18V/1W 15V/1W 18V/1W D55 HER104 C63 222/500V 222/250VAC TF403 Q52 2SK1358 R59 5.1 R60 15/1/2W T51 Q51 2SK1358 D60:A BD R80 BD C71 R82 Q56 2SC1815 221/1KV C92 82K 1/8W 75K 1/8W R113 R109 2.2/1/2W Q55 C2120 C73 43K 1/8W 22K 1/8W R121 C74 J3 J4 J2 J1 R107 1K D68 1N4148 SHR1 TL431 C80 U54:B LM324 D67 1N4148 11 C91 2.2u/50V U54:A LM324 R86 C76 104/63V R108 15K/1/8W R92 1K LED1 ZD60 D51 BY228 C52 103/2KV R51 200K/1/2W R52 200K/1/2W 1K /2W R82,83 R67 24K U52:B PC123 D53 C56 1N4148 1u/50V R69 C60 104/63V R70 22K C59 471/1KV R49 JUMP C65 68P/50V R56 100 R74 75K R65 CN2 R64 0.82/2W ZD51 18V/1W R63 0.22/2W D52 1N4148 100u/35V C62 R53 100/2W C51 101/2KV R58 5K1 R62 0.22/2W T51:D D75 HER204 R115 51/1/8W C86 47u/50V V+ 560/1/2W R84 R81 BD R89 68K/1/8W C85 D62:B R117 5K1/1/8W ZD55 7.5V/1W D63 HER203 C92 D61:B BD 1u/50V R120 C88 R110 51/2W C84 47u/50V R83 R111 2K C83 47u/50V 103/100V R116 2K R50 SVR2 JUMP C93 105/50V R106 100/1/8W CN51:A FAN D64 1N4148 R91 22 ZD52 ZD53 C90 ZD54 C82 103/100V U51:1 MOC3022 C75 R87 820/1/8W R90 1K U52:A R94 R103 6K8/1/8W R100 4K3/1/8W R102 1K5/1/8W R93 10 R95 SVR1 1K R96 10 R101 3K6/1/8W -S TB1:H +S TB1:A C77 473/630V D66 1N4148 D65 1N4148 CN4:A RT R121 R104 820/1/8W R- R+ R122 5K1/1/8W C81 104/63V TB1:F RC- -V Vm +V TB1:B C78 473/630V RTH2 5K R105 820/1/8W 74 R73 1K 75 C31 FG AC/L FS1 F10A/250VAC C16 CN2 V- L1:B TR134 D7 HER104 8.9V R31 ZD4 8.9V SP-500A DIFFERENT COMPONENT: MODEL 12V 13.5V PART NO. C15 Q8 A562 CN2 C6 104/100V ZNR1 471 Q7 8.9V 15V C1815 D2 1N4001 8.9V CN2 F+ CN2 T+ D4 HER104 D6 HER104 T- 8.9V 27V NC(PSF) Terminal P5 24V R+ CN4 R- 51/2W R4 TRC1 BTA16-600B R2 10/5W BD1 15A/600V 8.9V 48V C8 474/250VAC C67 103/100V 474/250VAC C1 C32 102/250VAC D8 HER104 LF2 TF-360 C17 220u/25V C7 474/250VAC R17 30K/2W R18 30K/2W LF1 TF-360 R21 5.1/1/2W R11 5.1 474/50V C18 IAC C19 Q2 IRFPS37N50A Q1 IRFPS37N50A D1:B RHRP1650 R10 5.1 D1:A RHRP1650 GTDR U1 LT1249 Vs VAout GND CAout Mout Vcc 9.1V/1W 1K 54AD R8 499K/1W 0.33/2W R7 R6 0.22/2W R5 0.33/2W L1:A TR134 R9 499K/1W AC/N C2 474/250VAC C24 2.2u/50V C25 2.2u/50V ZD4 14.2V C23 470u/25V R23 2K2 680K/1/2/W R1 C4 C3 222/250VACX2 R24 1K C22 2.2u/50V R32 100 C5 104/250VAC R25 2K2 R31 C21 104/100V 473/50V 330K R30 Q4 C2655 D3 1N4148 R26 100 D5 1N5819 Q3 A1020 R12 5K1 C13 22K 270K C20 221/1KV R29 R16 10K CN1 V- 472/50V R28 CN2 V+ C9 150u/400V 471/1KV C12 C11 102/50V C26 150u/400V R27 680 CN1 V+ R14 499K/1W R15 499K/1W D9 C14 222/250VAC C10 150u/400V UHF BANDPASS FILTER 600W, 3 Sections + 2 Notches Code 06673 FEATURES - UHF 500W analog TV output filter - 3 bandpass resonators and 2 notches - Foreshorten in-line combline structure - Iris couplings with fine bandwidth regulation - Phase regulation netween bandpass and notches - Low loss (Typ. 042dB @ Ch. 69 G) - Compact and lightweight SPECIFICATIONS (Values referred to B Standard) Frequency Range Max Input Power Insertion Loss Return Loss Group Delay Variation Bandwidth 470 - 862MHz 500W Analog TV < 0.50dB @ V.C. Ch. 69 < 0.45dB @ V.C. Ch. 21 > 28dB < 25nS 6 to 8MHz Selectivity Temperature Stability Connectors Weight (Approx) Operating temperature > 32dB @ V.C. -5.5 / +11MHz > 22dB @ V.C. -11 / +16.5MHz < 17kHz / K 7/16 Female 2.7kg -10 to +50°C N Female Connector AVAILABLE OPTIONS 76 SMA Output Monitor Probe TECHNICAL DESCRIPTION The output filter mod. 06673 is made up of a 3 resonators bandpass filter and two notches. It can be tuned on all the channels of the UHF TV band (470 - 862MHz) and according to all worldwide standards (4.5 6.5MHz intercarrier). The bandpass section is composed by the three middle resonators, while the two resonators apart are the notches. The filter is symmetrical; therefore, the choice of the lowest and the hightest notch is indifferent. The bandwidth regulation is accomplished by varying the insertion of the two Post Rods, which are located between the bandpass resonators; the insertion of the Post Rods increases the bandwidth. In order to execute this regulation it is necessary to loosen every lock nut by means of a n. 12 pipe key. The input/output couplings are regulated by means of the two shafts (Coupling Stub) opposite to each connector. The regulation is carried out with n. 8 flat key, considering that when the operating flattenings are parallel to the longer side of the filter the coupling is maximum, otherwise if orthogonal the coupling is minimum. The frequency response symmetry is determined by the insertion of the previously mentioned shafts; these shafts can be set after loosening the relevant clamps with a pipe wrench n. 16. Once locked, these clamps set out also the twist friction of the couplings. TUNING INSTRUCTIONS The advised tuning sequence is the following: 1. Set the instrument state as follows: C.F. = (V.C. + S.C.) / 2 SPAN = INTERCARRIER * 5 TRANSMISSION SCALE = 5dB/div. REFLECTION SCALE = 5dB/div. (E.G. 27,5MHz std. B/G) 2. Preset the Coupling Stubs and the bandwidth (Posts ), measuring them from the extremity to the filters body, according to the following table: C.F. (MHz) COUPLING STUBS (mm) 474 POSTS (mm) B, G Standards K, K1 Standards M, N Standards I Standard 27 27 16 48 20 666 48 32 28 41 30 858 62 22 18 28 20 77 3.Tune the bandpass section on the required channel, and match input and output until a correct response is achieved. During this step, the tunings of the two notches shall be kept well far from the bandpass response. Regulate the bandwidth at -24dB to the ends of span (E. g. std. G: BW (-24dB) = 27,5MHz). The input/ output couplings may influence the external resonators; therefore, it will be necessary to repeatedly fix the formers after the latters in small steps. The frequency response must be centered, with the same attenuation values at both sides of the screen. 4. Tune the two notches to P.V. - INTERCARRIER and P.A. + INTERCARRIER frequencies. This will vary the response and matching. Adjust the response acting on the bandpass tunings. 5. Improve the calibration alternatively acting on two sides of the filter according to this sequence: regulate the couplings; re-tune notches if they have to be moved; re-tune the bandpass resonatoes. 6. Execute the sequence in small steps aiming to improve the matching. Check the response symmetry, and correct it if needed according to the following criterion: if the lowest notch is much more emphasized than the highest one it is necessary to insert the Coupling Stubs, otherwise if the hightest notch is more emphasized than the lowest one it is necessary to extract the Coupling Stubs. 7. At the end of the tuning process, lock the trim points (Posts and Coupling Stubs) and assemble the coupling protection caps on the filter. SPECIFICATION OVER THE UHF BAND MEASURE 78 VALUE Insertion Loss @ V.C. < 0.50dB @ V.C. Ch 69 G (Typ. 0.38) < 0.45dB @ V.C. Ch 21 G (Typ. 0.33) Return Loss (from V.C.-0.75 to S.C. +0.25) > 28dB Attenuation @ V.C. - INTERCARRIER > 32dB Attenuation @ V.C. + INTERCARRIER > 24dB SAMPLE FREQUENCY RESPONSE DIAGRAM 79
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File Type : PDF File Type Extension : pdf MIME Type : application/pdf PDF Version : 1.5 Linearized : No Page Count : 47 XMP Toolkit : XMP toolkit 2.9.1-14, framework 1.6 About : uuid:41f7305e-911d-4ffe-8095-e6007094b9c3 Modify Date : 2006:03:06 21:33:54-06:00 Create Date : 2006:03:06 21:33:35-06:00 Metadata Date : 2006:03:06 21:33:54-06:00 Document ID : uuid:3a33c0c7-285f-4af1-a6b7-ecb51dbbf61d Format : application/pdf Title : APT159B_AUTV_500LD_Rev0_Date190105.p65 Creator : PageMaker 6.5 Author : Gianluca Producer : Acrobat Distiller 3.0 for WindowsEXIF Metadata provided by EXIF.tools