Motorola Commercial Series Informasi Layanan - Halaman 3
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Halaman Cetak
Table of Contents
Chapter 1
1.0 CP140/CP160/CP180 Model Chart .....................................................................1-1
2.0 Technical Specifications ......................................................................................1-2
Chapter 2
1.0 Introduction ..........................................................................................................2-1
2.0 UHF2 (438-470MHz) Receiver ...........................................................................2-1
2.1 Receiver Front-End .......................................................................................2-2
2.2 Receiver Back-End.........................................................................................2-3
3.0 UHF2 (438-470MHz) Transmitter.........................................................................2-4
3.1 Transmitter Power Amplifier ...........................................................................2-4
3.2 Antenna Switch...............................................................................................2-4
3.3 Harmonic Filter ...............................................................................................2-5
3.4 Antenna Matching Network ............................................................................2-5
3.5 Power Control.................................................................................................2-5
4.0 UHF2 (438-470MHz) Frequency Generation Circuitry........................................2-6
4.1 Fractional-N Synthesizer ................................................................................2-7
4.2 Voltage Controlled Oscillator (VCO) ...............................................................2-8
Chapter 3
1.0 Troubleshooting Table for Receiver.....................................................................3-1
2.0 Troubleshooting Table for Synthesizer ................................................................3-3
3.0 Troubleshooting Table for Transmitter ................................................................3-4
4.0 Troubleshooting Table for Board and IC Signals .................................................3-6
Chapter 4
UHF PCB/SCHEMATICS/PARTS LISTS
1.0 Allocation of Schematics and Circuit Boards .......................................................4-1
1.1 UHF2 (438-470MHz) ......................................................................................4-1
1.2 Six Layer Circuit Board...................................................................................4-1
2.0 UHF2 PCB 8486348Z13-C Schematic Diagrams ................................................4-3
3.0 UHF2 PCB 8486348Z13-C Parts List ................................................................4-11
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