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Motorola ASTRO Digital Saber User Manual

Motorola ASTRO Digital Saber
128 pages
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™ Digital SABER™
and
/R
Portable Radios
Detailed Service Manual

Table of Contents

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Motorola ASTRO Digital Saber Specifications

General IconGeneral
EncryptionDES, AES (Optional)
ModelASTRO Digital Saber
CategoryPortable Radio
Frequency RangeVHF: 136-174 MHz, UHF: 403-470 MHz
Channel Capacity16
Dimensions1.5 inches
BatteryNickel Cadmium (NiCd), Lithium Ion (Li-Ion)

Summary

Foreword

Safety and Handling Information

General safety, RF exposure, EMI, operational warnings, cautions, and intrinsically safe info.

Radio Power

VHF/UHF Transceiver Board Theory of Operation

Frequency Generation Unit (FGU)

Explains the circuitry responsible for generating radio frequencies.

Transmitter Sections

Covers transmitter sections: Harmonic Filter, RF Power Amplifier Module, ALC Circuits.

800MHz Transceiver Board Theory of Operation

Frequency Synthesis

Details the circuitry responsible for generating and controlling 800MHz frequencies.

Receiver Front End

Details the initial stages of signal reception for 800MHz signals.

Receiver Back End

Explains the signal processing after the initial stages for 800MHz signals.

Transmitter

Describes the 800MHz transmitter's power amplifier, ALC, and other components.

VOCON Board Theory of Operation

Controller Section Details

Explains the MCU, support logic, memory, and peripheral IC programming in the controller.

Secure Modules Overview and Troubleshooting

Troubleshooting Procedures

Measurement and Error Interpretation

Guides on measurements, interpreting self-check errors, and the power-up sequence.

Schematics, Parts Lists, and Board Details

Transceiver Board Schematics and Parts Lists

Detailed schematics and component lists for VHF, UHF, and 800MHz transceiver boards.

VOCON Board Schematics and Parts Lists

Detailed schematics and component lists for the NTN7749G VOCON board.

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