User's Manual
Table Of Contents
- Front Cover
- Contents
- 1 - Foreword 11
- 2 - Safety and General Information 21
- 3 - Introduction 31
- 4 - System Applications 41
- 5 - Models and Specifications 51
- 6 - Approved Accessories 61
- 7 - Setup and Connections 71
- 8 - Operation 81
- 9 - Troubleshooting 91
- Introduction 91
- Recommended Test Equipment 91
- Troubleshooting Procedures 91
- Module Replacement Procedures 925
- General Replacement Information 925
- Anti-Static Precaution 925
- Care of Gold-Plated Connector Contacts 926
- Power Down Station Before Removing/Inserting Modules 926
- Validating Repairs 926
- Module Replacement 926
- Wireline 928
- ASTRO Modem Card/V.24 Interface Card 929
- Receiver 929
- Exciter 931
- Power Amplifier 932
- Power Supply 933
- Backplane 934
- Preselector Field Tuning Procedure 935
- 10 - Functional Theory of Operation 101
- 11 - Block Diagram, Schematics, Electrical Parts List, and Circuit Board Detail 111
- List of Tables
- List of Figures
- Parts Lists
- Foreword
- Safety and General Information
- Introduction
- System Applications
- Models and Specifications
- Approved Accessories
- Setup and Connections
- Operation
- Troubleshooting
- Introduction
- Recommended Test Equipment
- Troubleshooting Procedures
- Module Replacement Procedures
- Preselector Field Tuning Procedure
- Functional Theory of Operation
- Schematics
- Back Cover
5 -2 January 31, 2001 68P81093C75-O
Maintenance
Specifications
The following are the PDR 3500 specifications for analog as
measured per the revised EIA/TIA 603 Standards and for digital as
measured per TIA TSB-102.CAAB:
Table 2: Options
OPTION
DESIGNATOR
DESCRIPTION PURPOSE
Q245 Add: Duplexer Adds VHF or UHF duplexer. Requires customer frequency.
Q463 Add: Antenna Relay Adds VHF/UHF antenna relay for base station operation.
Q502 Add: Wireline Adds wireline remote control option.
Q504 Add: ASTRO 9.6 Kbps Modem Adds 9.6 Kbps modem card.
Q661 Add: DC Barry Cable Adds cable with alligator clip for external battery operation.
H338AC Add: Transit Case Adds a transit case for increased protection during transport.
Table 3: Specifications
GENERAL VHF UHF
Standard model numbers P2066A, P2067A P2068A, P2069A, P2070A, P2071A
Channel spacing 12.5, 25, 30 kHz 12.5, 25 kHz
Stability 0.0001% 0.0001%
Preselector bandwidth (3dB) 7 MHz 7 MHz
Squelch Carrier, PL, DPL Carrier, PL, DPL
Number of modes 1 1
TRANSMITTER VHF UHF
RF power (without duplexer) 30 watts 30 watts
RF power (with duplexer) 20 watts 20 watts
Maximum transmit duty cycle 50% 50%
TX spurs/harmonics -60 dB -60 dB
FM noise (EIA) -45 dB nominal -45 dB nominal
Audio response per EIA per EIA
TX distortion (1 kHz, clear audio) <5% <5%
RECEIVER VHF UHF
Sensitivity (20dBQ) 0.35 uV 0.5 uV
Sensitivity (12dB SINAD) 0.25 uV 0.35 uV
Selectivity (EIA SINAD) 85 dB (25/30 kHz) 85 dB (25 kHz)
75 dB (12.5 kHz) 75 dB (12.5 kHz)
Intermod (EIA SINAD) 80 dB (25/30 kHz)
75 dB (12.5 kHz)
75 dB
Spurious and image 80 dB 80 dB
Note: Specifications are subject to change without notice.