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RF Technology R50 Eclipse Series Operation And Maintenance Manual

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Eclipse Ser ies
RF Technology
rfinfo@rftechnology.com.au
August, 2003
Revision 2
R50 Receiver
Operation and Maintenance Manual
This manual is produced by RF Technology Pty Ltd
10/8 Leighton Place, Hornsby NSW 2077 Australia
Copyright © 2001 RF Technology

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  • Page 1 Eclipse Ser ies RF Technology rfinfo@rftechnology.com.au August, 2003 Revision 2 R50 Receiver Operation and Maintenance Manual This manual is produced by RF Technology Pty Ltd 10/8 Leighton Place, Hornsby NSW 2077 Australia Copyright © 2001 RF Technology...

  • Page 2: Table Of Contents

    ROCEDURE ANUALLY "M " C ISCELLANEOUS ALIBRATION ROCEDURE ALIBRATION ROCEDURE "R " C EFERENCE ALIBRATION ROCEDURE SPECIFICATIONS VERALL ESCRIPTION 7.1.1 Channel Capacity 7.1.2 CTCSS 17 7.1.3 DCS 7.1.4 Channel Programming 7.1.5 Channel Selection 7.1.6 Microprocessor Page 2 RF Technology R50...
  • Page 3 7.4.25 External Squelch Input ONNECTORS 7.5.1 Antenna Connector 7.5.2 Power & I/O Connector 7.5.3 Test Connector Appendix A EIA CTCSS Tone Frequencies Appendix B Parts List Appendix C Engineering Diagrams Block Diagram Circuit Diagrams Component Overlay Diagrams RF Technology R50 Page 3...

  • Page 5: Operating Instructions

    Specifications may vary from those given in this document in accordance with requirements of local authorities. RF Technology equipment is subject to continual improvement and RF Technology reserves the right to change performance and specification without further notice. 1 Operating Instr uctions 1.1 Fr ont Panel Contr ols and Indicator s...

  • Page 6: C.sq

    LED Flash Cadence Fault Condition 5 flashes, pause Synthesizer unlocked 4 flashes, pause Tuning volts out of range 3 flashes, pause Low RSSI 2 flashes, pause The current channel is not programmed or the frequency Page 2 RF Technology R50...

  • Page 7: Receiver Options

    In states (a) and (b), the receiver applies either 12V to the COS+ pin, or GND. The COS- pin is connected to GND in both states. The receiver acts as a “source” when in either of these two states. RF Technology R50 Page 3...

  • Page 8: Cos Polarity

    For example, in a scanning situation, with two possible frequencies, LOOP can be programmed to be asserted if one frequency is detected, or COS to be asserted Page 4 RF Technology R50...

  • Page 9: Standar D Channel Par Ameter S

    0dBm Output Carrier Operated COS+ Opto Coupled Transistor Switch Switch Output COS- Output (10mA) External Squelch EXT_SQ <1 VDC to force the Input squelch to close. >2 VDC or open ckt, to enable the squelch RF Technology R50 Page 5...

  • Page 10: Channel Programming And Option Selections

    Channel and tone frequency programming are most easily accomplished with RF Technology WinTekHelp software. This software can be run on an IBM compatible PC and can be used to calibrate a T50, R50, and PA50 as well as Page 6 RF Technology R50...

  • Page 11: Circuit Description

    FRDY is an output from the flash. It goes low when the Flash starts to write a byte of data, or erase a block, or erase the whole chip, and it returns to its default high state when the action requested has completed. RF Technology R50 Page 7...
  • Page 12 SCLK, and MOSI are used as the core of a serial bus. SCLK is a clock pin, and MOSI is a bi-directional data pin. DBGTX_TTL, DBGRX_TTL are RS232 transmit and receive (TTL) data pins which are connected to the debug port after conversion to/from RS232 compatible voltage levels by U202 and U201. Page 8 RF Technology R50...

  • Page 13: Rf Section

    1 is for the 1st VCO, and channel 2 is for the 2nd VCO. C315, C317, C327, R316 and R317 are components of the loop filter for the 1st VCO, C316, C328, C329, R330 and R331 are for the loop filter of the 2nd VCO. RF Technology R50 Page 9...
  • Page 14 FIL404 and FIL405 are two 21.4MHz crystal filters. Combined they form a four pole crystal filter. The filter has a minimum of 40dB attenuation at the adjacent channel frequencies (25kHz channel spacing). C448, C477, L423 and Page 10 RF Technology R50...
  • Page 15 MX401 at a nominal level of +7dBm. NB that Q506, R547, R531, L508, C510, C540, R537, and R536 are not fitted. Place for these components has been provided on the printed circuit board to allow RF Technology R50 Page 11...
  • Page 16 VR602 on the front panel. RL602 may apply, or remove, 12VDC to the 600 ohm line output. Whether this occurs or not, and whether the voltage is applied when the squelch opens or Page 12 RF Technology R50...
  • Page 17 D911 is a 4.096V (3%) reference diode. Its output is buffered by U906 which then produces a reference voltage rail Vref, which is used by the CPU's A/D converter, and the DACs. RF Technology R50 Page 13...

  • Page 18: Field Alignment (Calibration) Procedure

    The program will print out the Model Name and Serial Number of the exciter. If these parameters haven't already been defined (e.g. at an initial calibration, at the factory, the service personnel will be prompted to enter these values). Page 14 RF Technology R50...

  • Page 19: L Ine C Alibration P Rocedure

    Attach an RF signal generator to the input. Set the RF output to 37.5MHz, and an input level of -110dBm with a 1kHz tone and 3kHz deviation. Adjust the Volume Pot until the DIR AUD output RF Technology R50 Page 15...

  • Page 20: Specifications

    256 channels, numbered 0-255. This allows a network administrator to program every receiver, in every site, the same way. By setting each site up to select which of the 256 channels is appropriate, any receiver can be plugged Page 16 RF Technology R50...

  • Page 21: Ctcss

    7.1.4 Channel Pr ogr amming The channel information is stored in non-volatile memory and can be programmed via the front panel connector using a PC, and/or RF Technology software. 7.1.5 Channel Selection Channel selection is by eight channel select lines connected to the rear panel that mounts on the rear DB25 female connector.

  • Page 22: P Hysical C Onfiguration

    12.5kHz, or 15kHz channel spacing. Similarly, a third filter is also available which is suitable for 5.0, 6.25kHz, or 7.5kHz. 7.4.3 Fr equency Synthesizer Step Size The specified frequency can be any multiple of 1250Hz. Page 18 RF Technology R50...

  • Page 23: Frequency Stability

    Carrier level squelch can be used when it is necessary to set the opening point above 26 dB SINAD as may be required in link applications. The minimum adjustment range is 0.35uV(-116dBm) to 700 uV(-50dBm). RF Technology R50 Page 19...

  • Page 24: Receiver Frequency Spread

    If the MSN is less than 9, but the LSN is greater than 9, then the channel number is defined by the formula: 10*LSN+MSN; Logic Input Levels - High for <1.5V, Low for >3.5V Internal pull up resistors select channel 00 when all inputs are O/C. Page 20 RF Technology R50...

  • Page 25: Carrier Operated Switch (Cos) Output

    7.4.25 Exter nal Squelch Input An external input is provided to squelch or mute the receiver audio output. This may be used in conjunction with an external decoder or to mute the receiver during transmissions. RF Technology R50 Page 21...

  • Page 26: C Onnectors

    Type N Female Mounted on the module rear panel 7.5.2 Power & I/O Connector 25 pin "D" Male Mounted on the rear panel 7.5.3 Test Connector 9 pin "D" Female mounted on the front panel Page 22 RF Technology R50...

  • Page 27: Appendix A Eia Ctcss Tone Frequencies

    74.4 77.0 79.7 82.5 85.4 88.5 91.5 94.8 100.0 103.5 107.2 110.9 114.8 118.8 123.0 127.3 131.8 136.5 141.3 146.2 151.4 156.7 162.2 167.9 173.8 179.9 186.2 192.8 203.5 210.7 218.1 225.7 233.6 241.8 250.3 RF Technology R50 Page 23...
  • Page 28 C317 Capacitor 10N+/-5% NPO 50V 1206 46/26N1/010N C318 Capacitor Electrolytic 10U 16V 6032 42/3300/010U C319 Capacitor Electrolytic 10U 16V 6032 42/3300/010U C320 Capacitor 100P+/-5% NPO 50V 0603 46/63N1/100P C321 Capacitor 100P+/-5% NPO 50V 0603 46/63N1/100P RF Technology R50 Page 25...
  • Page 29 C443 Capacitor 100P+/-5% NPO 50V 0603 46/63N1/100P C444 Capacitor 120P+/-5% NPO 50V 0603 46/63N1/120P C445 Capacitor 68P+/-5% NPO 50V 0603 46/63N1/068P C446 Capacitor 120P+/-5% NPO 50V 0603 46/63N1/120P C448 Capacitor 8P2+/-0.25 NPO 50V 0603 46/63N1/08P2 Page 26 RF Technology R50...
  • Page 30 C505 Capacitor Electrolytic 10U 16V 6032 42/3330/010U C506 Capacitor 1U+80/-20% Y5V 25V 1206 45/Y5X7/1U16 C507 Capacitor Electrolytic 10U 16V 6032 42/3330/010U C508 Capacitor 100N+80/-20% Y5V 25V 0603 46/63Y1/100N C509 Capacitor Electrolytic 10U 16V 6032 42/3330/010U RF Technology R50 Page 27...
  • Page 31 C561 Capacitor 4P7+/-0.25 NPO 50V 0603 46/63N1/04P7 C563 Capacitor 150P+/-5% NPO 50V 0603 46/63N1/150P C564 Capacitor 22P+/-5% NPO 50V 0603 46/63N1/022P C601 Capacitor 1U+80/-20% Y5V 25V 1206 45/Y5X7/1U16 C602 Capacitor 1U+80/-20% Y5V 25V 1206 45/Y5X7/1U16 Page 28 RF Technology R50...
  • Page 32 C936 Capacitor Electrolytic L ESR 16V 33U 6032 41/SELC/033U C937 Capacitor Electrolytic L ESR 16V 33U 6032 41/SELC/033U C938 Capacitor Electrolytic L ESR 16V 100U 7343 41/SELD/100U C939 Capacitor Electrolytic L ESR 16V 100U 7343 41/SELD/100U RF Technology R50 Page 29...
  • Page 33 L401 Inductor 246NH+/-5% 37/AC52/246N L402 Inductor 246NH+/-5% 37/AC52/246N L403 Inductor 246NH+/-5% 37/AC52/246N L404 Inductor 422NH+/-5% 37/AC52/422N L405 Inductor 558NH+/-5% 37/AC52558N L406 Inductor 380NH+/-5% 37/AC52/380N L407 Inductor 169NH+/-5% 37/AC52/169N L408 Inductor 169NH+/-5% 37/AC52/169N L409 Inductor 680NH+/-10% 1008 37/3320/680N Page 30 RF Technology R50...
  • Page 34 Connector DB25 RT ANG FML PCB MT 35/5032/025F Q200 Transistor NPN GP SOT23 27/3020/3904 Q202 FET NJ MMBF5484 SOT23 27/3030/5484 Q203 Transistor NPN MMBT2369 SOT23 27/3020/2369 Q204 Transistor NPN MMBT2369 SOT23 27/3020/2369 Q205 Transistor PNP GP SOT23 27/3010/3906 RF Technology R50 Page 31...
  • Page 35 R234 Resistor 0805 1K+/-5% 1/8W 51/8511/001K R235 Resistor 0805 4K7+/-5% 1/8W 51/8511/04K7 R236 Resistor 0805 18K+/-5% 1/8W 51/8511/018K R237 Resistor 0805 47K+/-5% 1/8W 51/8511/047K R238 Resistor 0805 1K+/-5% 1/8W 51/8511/001K R239 Resistor 0805 1K+/-5% 1/8W 51/8511/001K Page 32 RF Technology R50...
  • Page 36 R411 Resistor 0805 330R+/-5% 1/8W 51/8511/330R R412 Resistor 0805 22R+/-5% 1/8W 51/8511/022R R413 Resistor 0805 47R+/-5% 1/8W 51/8511/047R R414 Resistor 0805 4K7+/-5% 1/8W 51/8511/04K7 R415 Resistor 0805 4K7+/-5% 1/8W 51/8511/04K7 R416 Resistor 0805 10K+/-5% 1/8W 51/8511/010K RF Technology R50 Page 33...
  • Page 37 R467 Resistor 0805 47K+/-5% 1/8W 51/8511/047K R468 Resistor 0805 4K7+/-5% 1/8W 51/8511/04K7 R469 Resistor 0805 100R+/-5% 1/8W 51/8511/100R R507 Resistor 0805 100R+/-5% 1/8W 51/8511/100R R508 Resistor 0805 10K+/-5% 1/8W 51/8511/010K R509 Resistor 0805 10K+/-5% 1/8W 51/8511/010K Page 34 RF Technology R50...
  • Page 38 R622 Resistor 0805 12K+/-5% 1/8W 51/8511/012K R623 Resistor 0805 330K+/-5% 1/8W 51/8511/330K R624 Resistor 0805 1M+/-5% 1/8W 51/8511/01M0 R625 Resistor 0805 100K+/-5% 1/8W 51/8511/100K R626 Resistor 0805 100K+/-5% 1/8W 51/8511/100K R627 Resistor 0805 22K+/-5% 1/8W 51/8511/022K RF Technology R50 Page 35...
  • Page 39 R935 Resistor 0805 0R Jumper 51/8511/000R R936 Resistor 0805 120R+/-5% 1/8W 51/8511/120R RL601Relay DPDT 12V 500mW 96/2000/012V RL602Relay DPDT 12V 500mW 96/2000/012V T601 Transformer 600OHM Line 37/2040/5065 S200 Switch Tack SMD 4.8 X 5 31/SMPB/0001 Page 36 RF Technology R50...
  • Page 40 Trimpot 100K Multi Turn Horizontal 53/2060/010K X200 Crystal Resistor 14.7456MHZ SMD 33/14M7/0001 X301 Crystal Resistor 12MHZ SMD 33/12M0/0001 X401 Ceramic Discriminator SMD 34/2000/CDBC X402 Crystal Resonator 21.855M HC45U 32/2045/21M855 X601 Crystal Resonator 4MHZ HC49 32/2049/04MO RF Technology R50 Page 37...
  • Page 44 -10V -10V C634 Title Audio Processing 100nF 100nF Size: Number: 9155 Revision: RF Technology Pty Ltd Print Date: 20-Feb-2002 23:49:42 Sheet Unit 10, 8 Leighton Place Hornsby, NSW 2077 Rev. Release Date: Originator: Australia File: C:\Program Files\Design Explorer 99 SE\rft\r50\r50.Ddb - AUDIO.Sch...
  • Page 45 PARTS VALUE WITH * ARE NOT USED IN THIS VERSION Rev No. ECO No. Description of Change Title Voltage Controlled Oscialltors Size: Number: 9155 Revision: RF Technology Pty Ltd Print Date: 20-Feb-2002 23:56:10 Sheet Unit 10, 8 Leighton Place Hornsby, NSW 2077 Rev. Release Date: Originator: Australia File: C:\Program Files\Design Explorer 99 SE\rft\r50\r50.Ddb - VCO.Sch...
  • Page 46 Rev No. ECO No. Description of Change 74HC390 Title RF Section 74HC390 Size: Number: 9155 Revision: RF Technology Pty Ltd Print Date: 20-Feb-2002 23:55:20 Sheet Unit 10, 8 Leighton Place Hornsby, NSW 2077 Rev. Release Date: Originator: Australia File: C:\Program Files\Design Explorer 99 SE\rft\r50\r50.Ddb - RF.Sch...
  • Page 47 ECO No. Description of Change 74HC123A 3rd_LO_ADJ Title Receiver Section 3rd_LO_ADJ Size: Number: 9155 Revision: RF Technology Pty Ltd Print Date: 20-Feb-2002 23:54:31 Sheet Unit 10, 8 Leighton Place Hornsby, NSW 2077 Rev. Release Date: Originator: Australia File: C:\Program Files\Design Explorer 99 SE\rft\r50\r50.Ddb - RCV.Sch...
  • Page 48 L908 BLM31P121SG Rev No. ECO No. Description of Change Title Power Generation Section Size: Number: 9155 Revision: RF Technology Pty Ltd Print Date: 20-Feb-2002 23:51:26 Sheet Unit 10, 8 Leighton Place Hornsby, NSW 2077 Rev. Release Date: Originator: Australia File:...
  • Page 49 Q200 Title Microprocessor MMBT3904 S200 9155 SW-PB MC33064D Size: Number: Revision: RF Technology Pty Ltd Print Date: 20-Feb-2002 23:50:38 Sheet Unit 10, 8 Leighton Place Hornsby, NSW 2077 Rev. Release Date: Originator: Australia C:\Program Files\Design Explorer 99 SE\rft\r50\r50.Ddb - MCU.sch...
  • Page 50 ECO No. Description of Change -12V -10V Title RX50 Master Schematic Vref Size: Number: 9155 Revision: RF Technology Pty Ltd Print Date: 20-Feb-2002 23:48:48 Sheet Unit 10, 8 Leighton Place Hornsby, NSW 2077 Rev. Release Date: Originator: Australia File: C:\Program Files\Design Explorer 99 SE\rft\r50\r50.Ddb - RXmaster.sch...

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