Circuit Design CDP02ER457 UHF Narrow Band Multi Channel Transmitter User Manual OG CDP 02E R 457M 11e
Circuit Design, Inc. UHF Narrow Band Multi Channel Transmitter OG CDP 02E R 457M 11e
Users Manual
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| Document ID | 951253 |
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| Document Description | Users Manual |
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| Date Submitted | 2008-06-04 00:00:00 |
| Date Available | 2008-06-04 00:00:00 |
| Creation Date | 2008-05-30 00:30:03 |
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| Document Lastmod | 2008-05-31 05:34:08 |
| Document Title | Microsoft Word - OG_CDP-02E-R_457M_..11e.doc |
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| Document Author: | m.saruta |
OPERATION GUIDE UHF Narrow band radio data module CDP-TX/RX-02E-R 457 MHz Operation Guide Version 1.1 (May.2008) CIRCUIT DESIGN, INC., 7557-1 Hotaka, Azumino-city Nagano 399-8303 JAPAN Tel: + +81-(0)263-82-1024 Fax: + +81-(0)263-82-1016 e-mail: info@circuitdesign.jp http://www.cdt21.com OG_CDP-02E-R-457M_v11e OPERATION GUIDE. CONTENTS FEATURES & APPLICATIONS ......................................................................... 3 GENERAL DESCRIPTION................................................................................ 3 SPECIFICATIONS ............................................................................................ 4 PIN DESCRIPTION........................................................................................... 7 CHANNEL AND FREQUENCY SETTING......................................................... 9 POWER SETTING ............................................................................................ 9 ANTENNAS..................................................................................................... 10 BLOCK DIAGRAM ......................................................................................... 11 DIMENSIONS ................................................................................................ 13 TEST DATA ..................................................................................................... 15 REGULATORY COMPLIANCE INFORMATION ............................................ 16 CAUTION & WARNINGS ............................................................................... 17 REVISION HISTORY ...................................................................................... 18 APPLICATION NOTE ..................................................................................... 19 OG_CDP-02E-R-457M_v11e Circuit Design, Inc. OPERATION GUIDE. GENERAL DESCRIPTION & FEATURES Features FCC Part 90 (transmitter) and Part 15 compliant (receiver) 1 mW / 10 mW selectable Frequency selection free in 32 channels for 457 MHz High sensitivity receiver FM narrow band modulation Applications Mobile / Handheld Portable device defined by FCC Factory automation M2M Remote control Security systems Alarms Telemetry systems General description The CDP-TX-02E-R and CDP-RX-02E-R are a RoHS compliant FCC approved embedded industrial narrowband FM radio transmitter and receiver. They are suitable for various application fields such as wireless data communication, telemetry or wireless security systems. They are easy to use and integrate into application systems. Both CDP-TX-02E-R and CDP-RX-02E-R are equipped with a frequency synthesizer system with micro controller. Available frequency ranges are from 457.5 MHz to 457.8875 MHz (32 channels: 16 ch x 2 groups). The compact size, low operating voltage and frequency selectability of the CDPTX/RX-02E-R make it ideal for various applications where its interference rejection and practical distance range is far better than similar RF modules based on wide band SAW-resonator frequency generators. OG_CDP-02E-R-457M_v11e Circuit Design, Inc. OPERATION GUIDE. SPECIFICATIONS General specification * The MIN/TYP/MAX values for the RF output power and BER are specified in the range of operating temperature. * All values in the specification column are measured and specified with 50 ohm terminal and at 25 °C +/- 10 °C unless otherwise noted. Item Unit Reference Remarks MIN TYP MAX FCC Part 90 (TX) FCC Part 15 (RX) Communication method Operating frequency range Specification One-way 457.6 MHz band Operation temperature range MHz °C Within SAW filter band 457.5 458.5 -20 to 60 No dew condensation -20 60 Storage temperature range °C -30 to 70 No dew condensation -30 70 Aging rate ppm +/- 1 / year TX freq., RX Lo freq. -1 Initial frequency tolerance * ppm +/- 2 TX freq., RX Lo freq. -2 Dimensions (TX-02E) mm 26 x 36 x 10 Not including protrusion Weight (TX-02E) 14 Dimensions (RX-02E) mm 30 x 50 x 9 Weight (RX-02E) 20 14 Not including protrusion 20 * Initial frequency tolerance is frequency drift at delivery within 1 year after the final adjustment Electrical specification Common to TX/RX Item Oscillation type Frequency stability Channel span Number of channel Default channel setting Data rate Max. pulse width Min. pulse width Unit ppm kHz ch ch bps ms µs Data polarity Lo level for channel select Specification PLL controlled VCO +/- 4 (-20 to 60°C) 25 MIN Reference temp.=25°C -4 TYP MAX 25 (Max 16ch x 2) selectable 2400 (1.2 kHz) 20 410 DO / DI DO / DI DO / DI Positive DI Vs Do 2400 20 410 GND 2.5 Hi level for channel select 2.7 or open PLL reference frequency MHz 21.25 (TCXO) PLL response ms 30 Antenna impedance Ω 50 (Nominal) Operating voltage TX consumption current TX consumption current RX consumption current mA mA mA 3 - 12 43 @ 10mW 33 @ 1mW 30 OG_CDP-02E-R-457M_v11e Remarks 0.4 3.0 21.25 from PLL setting to LD out 30 100 50 Vcc=3.0V Vcc=3.0V Vcc=3.0V 43 33 30 12 48 38 35 Circuit Design, Inc. OPERATION GUIDE. Transmitter Item Specification Remarks MIN TYP MAX 10 at 457.6 MHz 10 13 RF output power ( 10 mW) mW RF output power ( 10 mW) mW RF output power ( 1 mW) mW Deviation kHz ± 2.1 DI input level for Lo L=GND 0.4 DI input level for Hi Hi=3V 5.5 Over all frequency range and operating temp. range PN9 2400bps / LPF=20k 16 0.3 2.6 ± 1.6 ± 2.1 ± 2.6 TX carrier start up ms 50 From power on to f ± 1.5ppm 50 100 TX carrier start up at ch change ms 35 Shift 25kHz to f ± 1.5ppm 35 85 Residual FM noise kHz 0.17 DI=L，LPF=20k 0.17 0.4 Spurious emission dBc 30 (50 ohm contact) * up to 4 th harmonics 30 Adjacent CH power dBc 40 PN9 2400 bps 40 Remarks MIN Adjacent CH selectivity Blocking Intermodulation MHz kHz dBm dBm dBm dBm dB dB dB dB dB Specification Double superheterodyne 21.7 450 10 -116 -120 -120 70 (1st Mix) 55 (2nd Mix) 60 dB (±25k) 84 dB (+/- 1MHz) 50 dB (f-200k+f-100k） DO output level for Hi Hi = Vcc Z = 100 kohm or more Vcc x0.8 DO output level for Lo RSSI rising time Time until valid Data-out RSSI rising time Time until valid Data-out ms ms ms ms Lo = GND 30 (from PLL setup) 50 (from PLL setup) 50 (from PLL setup) 70 (from PLL setup) Z = 100 kohm or more CH shift of 25kHz CH shift of 25kHz When power ON When power ON Spurious radiation (1st Lo) dBm -57 ( 50 ohm contact) * Up to 4 th harmonics RSSI mV mV 235 (457.6 MHz) 230 (457.6MHz) with -110 dBm with -116 dBm 40 Receiver Item Receiver type 1st IF frequency 2nd IF frequency Max. input level BER （0 error / 2556 bits) BER (1% error) Sensitivity 12dB / SINAD Spurious response rejections TYP MAX 21.7 450 10 PN9 2400bps PN9 2400bps fm1k / dev 2.0k CCITT -106 Two signal method, 1% error 195 155 -116 -120 -120 70 55 60 84 50 Vcc 30 50 50 70 0.7 60 100 100 140 -60 -57 235 195 275 235 Notes about the specification values BER: RF level where no error per 2556 bits is confirmed with the signal of PN9 and 2400 bps. BER (1% error): RF level where 1% error per 2556 bits is confirmed with the signal of PN9 and 2400 bps. Spurious response, CH selectivity: Jamming signal used in the measurement is unmodulated. Intermodulation: Ratio between the receiver input level with BER 1% and the signal level (PN9 2400 bps) added at the points of "Receiving frequency -200 kHz" + "Receiving frequency -100 kHz" with which BER 1% is achieved. Time until valid Data-out: Valid DO is determined at the point where Bit Error Rate meter starts detecting the signal of 2400 bps, 1010 repeated signal. Conditions: All specifications are specified based on the data measured in a shield room using the PLL setting controller board prepared by Circuit Design. Measurement equipment SG = ANRITSU communication analyzer MT2605 Spectrum analyzer = ANRITSU MS2663G / BER measure = ANRITSU MP1201G OG_CDP-02E-R-457M_v11e Circuit Design, Inc. OPERATION GUIDE. NOTICE * Communication range depends on the operation environment and ambient surrounding. * For improvement, specifications are subject to change without prior notice. * Antenna connection of receiver CDP-RX-02E-R is designed as pin connection. Sensitivity, spurious emission and unwanted radiation levels may vary with the pattern used between the RF pin and the coaxial connection. Please make sure to verify those parameters before use. * The feet of the shield case should be soldered to the wide GND pattern to avoid any change in characteristics. OG_CDP-02E-R-457M_v11e Circuit Design, Inc. OPERATION GUIDE. PIN DESCRIPTION CDP-TX-02E-R Pin name I/O ANT RF output terminal Antenna impedance nominal 50 Ω The ground for the power supply. Connect it to the ground plane as well as to the bottom part of the case. The ground plane has an impact on the range and the stability of operation. VCC The power supply terminal. The supply voltage is DC 3.0 to 12 V. Power supply noise and ripple have an impact on performance, so eliminate them as far as possible with filters and capacitors. DATAIN Digital data input terminal Interface voltage: H = 3 to 5.5V L = GND GND Description OG_CDP-02E-R-457M_v11e Equivalent circuit Circuit Design, Inc. OPERATION GUIDE. CDP-RX-02E-R Pin name I/O ANT RF input terminal Antenna impedance nominal 50 Ω The ground for the power supply. Connect it to the ground plane as well as to the bottom part of the case. The ground plane has an impact on the range and the stability of operation. The power supply terminal. The supply voltage is DC 3.0 to 12 V. Power supply noise and ripple have an impact on performance, so eliminate them as far as possible with filters and capacitors. GND VCC Description Equivalent circuit The receive level output of the receiver. The strength of the RF level (electric field intensity) is output as a directcurrent voltage. RSSI DATA Digital data output terminal Interface voltage: H = Vcc L = GND The demodulated output of the receiver. The DC offset is about 1 V. Refer to the specifications for the amplitude level. AF OG_CDP-02E-R-457M_v11e Circuit Design, Inc. OPERATION GUIDE. CHANNEL AND FREQUENCY SETTINGS By use of a chip mounted 4-bit switch or pins and a jumper on the PCB, you can select easily between the 32 channels. The 32 channels are divided into 2 groups: Group A and Group B. Each group of channels can be selected by soldering the jumper ON or OFF. When the jumper (JP2) is ON, Group A is selected. When the jumper is OFF, Group B is selected. There are 16 channels in each group and they can easily be selected using the 4-bit switch. Before shipment all the modules are set to Group A channel 5. (457.6 MHz) Channel Table Freq. Ch (MHz) A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 457.5000 457.5250 457.5500 457.5750 457.6000 457.6250 457.6500 457.6750 457.7000 457.7250 457.7500 457.7750 457.8000 457.8250 457.8500 457.8750 ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF 4-bit Switch * ON ON ON ON OFF ON OFF ON ON OFF ON OFF OFF OFF OFF OFF ON ON ON ON OFF ON OFF ON ON OFF ON OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF Jumper Ch Freq. (MHz) ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 457.5125 457.5375 457.5625 457.5875 457.6125 457.6375 457.6625 457.6875 457.7125 457.7375 457.7625 457.7875 457.8125 457.8375 457.8625 457.8875 * A5: Default setting ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF 4-bit Switch * ON ON ON ON OFF ON OFF ON ON OFF ON OFF OFF OFF OFF OFF ON ON ON ON OFF ON OFF ON ON OFF ON OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF Jumper OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF 4 bit switch: ON = L (GND) OFF = H (Open) JP2: Frequency Group Setting (Switch: ON = “L” / OFF = “H”) Group A: Jumper ON Group B: Jumper OFF (Default) (Example) Set to channel B10 (457.7375 MHz) Group B: JP2: Jumper OFF Dip Switch: OFF, ON, ON, OFF (ON: Short to GND) Position of the JP1, JP2 and DIP SW JP2 JP1 CDP-TX-02E-R JP1 CDP-RX-02E-R POWER SETTING CDP-TX-02E-R can be set to either 10 mW or 1 mW by a jumper on the PCB. JP1: Power Setting (Switch: ON = “L” / OFF = “H”) 10 mW: Jumper ON (Default) 1 mW: Jumper OFF OG_CDP-02E-R-457M_v11e Circuit Design, Inc. OPERATION GUIDE. ANTENNAS The most important factors for safe data transmission are a good antenna and RF grounding, both for the transmitter and the receiver. Without an antenna it is impossible to transmit data over a long distance. The standard antenna is a Lambda/4 wire protected by a plastic cover. The receiver has a simple antenna input pin. Any suitable UHF antenna can be connected to it. The easiest way to connect an antenna to the CDP-RX-02E-R is to solder a 17 cm wire directly to the antenna input. A 50 Ohm coaxial cable can be used to extend the distance between the antenna and the receiver. The shielding of the antenna wire should be soldered to the case near the antenna input of the CDP-RX-02E-R. It is possible, but not recommended to connect the receiver module and the antenna by a connection on the PCB. This will decrease the receiver performance in most cases. To find the best method of installation for the transmitter and receiver, many things should be considered and tested. It is recommended that you read specialized literature on antennas and radiation characteristics to gain a better understanding of these fields. A detailed explanation cannot be given here. Notice: For CDP-TX-02E-R, use the antenna provided. Using other antennas may invalidate compliance with the regulatory standards. In most cases the following basic rules will help you. • Connect an antenna with 50 Ohm impedance for 457 MHz. • The easiest construction is a wire of approximately 17 cm. • Place the antenna vertically, straight up or down from the transmitter and receiver module. • Do not cover the antenna with metal parts. • The connection of the metal surface of the transmitter and receiver case to a larger metal part (ground plane) will increase radiation and reception efficiency. These metal parts should not be placed near the antenna. • The best range is achieved if the transmitter and receiver antenna are in direct line of sight. Any object in between the transmitter and receiver antenna, and metallic objects in particular, will decrease the range. • The transmission is influenced by reflections of the transmitter signal on metallic surfaces. By overlaying the direct and reflected signal with a 180 degree phase shift the signal can almost fade out. These reflections and fade-outs can result in data drop-outs in mobile applications. • The human body can have a similar effect as metal objects. Pocket transmitters should be held in your hand, held in a position away from the body and pointed in the direction of the receiver. OG_CDP-02E-R-457M_v11e 10 Circuit Design, Inc. OPERATION GUIDE. BLOCK DIAGRAM OG_CDP-02E-R-457M_v11e11 Circuit Design, Inc. OPERATION GUIDE. OG_CDP-02E-R-457M_v11e 12 Circuit Design, Inc. OPERATION GUIDE. DIMENSIONS OG_CDP-02E-R-457M_v11e 13 Circuit Design, Inc. OPERATION GUIDE. OG_CDP-02E-R-457M_v11e 14 Circuit Design, Inc. OPERATION GUIDE TEST DATA RSSI output 700 600 RSSI (mV) 500 400 300 200 100 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 RF level (dBm) OG_CDP-02E-R-457M_v11e 15 Circuit Design, Inc. OPERATION GUIDE Regulatory compliance information CDP-RX-02E-R 457 MHz This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. Caution: Any changes or modifications not expressly approved by the party responsible for product compliance could void the user's authority to operate the equipment. CDP-TX-02E-R 457 MHz Caution Exposure to radio frequency radiation: To comply with FCC RF exposure compliance requirements, a separation distance of at least 20 cm must be maintained between the antenna of this device and all persons. This device must not be co-located or operating in conjunction with any other antenna or transmitter. Labelling: Circuit Design transmitter module CDP-TX-02E-R 457 MHz labelled as below. FCC ID: V9X-CDP02ER457 The proposed FCC ID label format is to be placed on the module. If FCC ID is not visible when the module is installed into the system, "Contains FCC ID: V9X-CDP02ER457" shall be placed on the outside of final host system. Circuit Design receiver module CDP-RX-02E-R 457 MHz labelled as below. FCC ID: V9X-CDP02ER457R The proposed FCC ID label format is to be placed on the module. If FCC ID is not visible when the module is installed into the system, "Contains FCC ID: V9X-CDP02ER457R" shall be placed on the outside of final host system. OG_CDP-02E-R-457M_v11e 16 Circuit Design, Inc. OPERATION GUIDE Cautions • As the radio module communicates using electronic radio waves, there are cases where transmission will be temporarily cut off due to the surrounding environment and method of usage. The manufacturer is exempt from all responsibility relating to resulting harm to personnel or equipment and other secondary damage. • Do not use the equipment within the vicinity of devices that may malfunction as a result of electronic radio waves from the radio module. • The manufacturer is exempt from all responsibility relating to secondary damage resulting from the operation, performance and reliability of equipment connected to the radio module. • Communication performance will be affected by the surrounding environment, so communication tests should be carried out before actual use. • Ensure that the power supply for the radio module is within the specified rating. Short circuits and reverse connections may result in overheating and damage and must be avoided at all costs. • Ensure that the power supply has been switched off before attempting any wiring work. • The case is connected to the GND terminal of the internal circuit, so do not make contact between the '+' side of the power supply terminal and the case. • When batteries are used as the power source, avoid short circuits, recharging, dismantling, and pressure. Failure to observe this caution may result in the outbreak of fire, overheating and damage to the equipment. Remove the batteries when the equipment is not to be used for a long period of time. Failure to observe this caution may result in battery leaks and damage to the equipment. • Do not use this equipment in vehicles with the windows closed, in locations where it is subject to direct sunlight, or in locations with extremely high humidity. • The radio module is neither waterproof nor splash proof. Ensure that it is not splashed with soot or water. Do not use the equipment if water or other foreign matter has entered the case. • Do not drop the radio module or otherwise subject it to strong shocks. • Do not subject the equipment to condensation (including moving it from cold locations to locations with a significant increase in temperature.) • Do not use the equipment in locations where it is likely to be affected by acid, alkalis, organic agents or corrosive gas. • Do not bend or break the antenna. Metallic objects placed in the vicinity of the antenna will have a great effect on communication performance. As far as possible, ensure that the equipment is placed well away from metallic objects. • The GND for the radio module will also affect communication performance. If possible, ensure that the case GND and the circuit GND are connected to a large GND pattern. Warnings • Do not take a part or modify the equipment. • Do not remove the product label (the label attached to the upper surface of the module.) Using a module from which the label has been removed is prohibited. Circuit Design, Inc. All right reserved No part of this document may be copied or distributed in part or in whole without the prior written consent of Circuit Design, Inc. Customers are advised to consult with Circuit Design sales representatives before ordering. Circuit Design, Inc. believes the furnished information is accurate and reliable. However, Circuit Design, Inc. reserves the right to make changes to this product without notice. OG_CDP-02E-R-457M_v11e 17 Circuit Design, Inc. OPERATION GUIDE REVISION HISTORY Version 1.1 Date May. 2008 OG_CDP-02E-R-457M_v11e Description CDP-TX/RX-02E-R 457MHz The first issue 18 Remark Circuit Design, Inc. OPERATION GUIDE Application note (Design guide for RF transmitter and receiver) The following problems generally apply to radio modules Problem Touching or moving the antenna changes its impedance, which causes variations in emission power. The variation appears as distortion in the modulating signal and causes communication errors. If a change in the circuit length occurs due to the on/off of switch etc. in the electronic circuit connected to the radio module in the system in which the radio module is integrated, the high frequency electric potential can vary, disturbing the modulating signal, leading to communication errors. If the power line and/or the signal input line are long the printed line can be subject to high frequency noise. This noise may cause communication errors. Solution Fix the position of the antenna to avoid moving it. Positioning of the antenna is an important factor in operating the radio module efficiently. Add bypass capacitors of 100 to 470 pF in the immediate vicinity of the switches. Make the area beneath the radio module a ground pattern, utilizing part of the shield. Block high frequency elements by adding a choke coil to each line. In order to fix the receiver to the PCB strongly, solder the case to the PCB. Circuit Design’s receivers are designed to be vibration resistant. When using a radio receiver where vibration is always present, use a shock absorber However there is a limit to the amount of shock and vibration the or fix the PCB at the vicinity of the four corners of the receiver module in addtion to module can sustain due to its construction. fixing the four corners of the PCB on which the radio module is mounted. Circuit Design’s receivers are designed for high sensitivity. They will obtain radio signals over long distances. On the other hand, the Make the area beneath the radio module a ground pattern, utilizing part of the shield. receiver is sensitive to noise from the microcomputer and Block high frequency elements by adding a choke coil to each line. surrounding digital circuits due to its high sensitivity. For stable operation, it is recommned to solder the shield case to PCB wide plane GND Soldering point OG_CDP-02E-R-457M_v11e 19 Circuit Design, Inc. OPERATION GUIDE A PCB example built for CDP-TX-02E-R taking into consideration the above points is shown below. Model No. RPB-T02N-1 Circuit Design, Inc. All rights reserved. No part of this document may be copied or distributed in part or in whole without the prior written consent of Circuit Design, Inc. OG_CDP-02E-R-457M_v11e 20 Circuit Design, Inc.
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