Motorola CP 140 Informations sur les services - Page 3

Parcourez en ligne ou téléchargez le pdf Informations sur les services pour {nom_de_la_catégorie} Motorola CP 140. Motorola CP 140 46 pages. Uhf2 (438-470mhz)
Également pour Motorola CP 140 : Manuel de l'utilisateur (26 pages), Manuel d'utilisation de base (16 pages), Manuel d'utilisation de base (16 pages), Manuel d'utilisation de base (18 pages), Manuel de service détaillé (28 pages), Manuel d'installation Cps/Tuner (6 pages), Informations sur les services (46 pages)

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 UHF3 (465-495MHz) Receiver ...........................................................................2-1

2.1 Receiver Front-End .......................................................................................2-2

2.2 Receiver Back-End.........................................................................................2-3

3.0 UHF3 (465-495MHz) 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 UHF3 (465-495MHz) 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 UHF3 (465-495MHz) ......................................................................................4-1

1.2 Six Layer Circuit Board...................................................................................4-1

2.0 UHF3 PCB 8486634Z02-O Schematic Diagrams................................................4-3

3.0 UHF3 PCB 8486634Z02-O Parts List ................................................................4-11

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