Motorola GP340 ATEX Service Information - Page 3

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Also for Motorola GP340 ATEX: Specification Sheet (5 pages), User Manual (31 pages), Specification Sheet (2 pages), User Manual (30 pages), User Manual (30 pages), Basic User's Manual (10 pages), Service Information (32 pages), Service Information (30 pages), Service Information (26 pages), Service Information (31 pages), Service Information (43 pages), Service Information (30 pages)

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Motorola GP340 ATEX Service Information

Table of Contents

Chapter 1
1.0 GP340/GP380 Model Chart .................................................................................1-1
2.0 Technical Specifications ......................................................................................1-2
Chapter 2
1.0 Lowband Transmitter ...........................................................................................2-1
1.1 Power Amplifier (PA) ......................................................................................2-1
1.2 Antenna Switch...............................................................................................2-2
1.3 Harmonic Filter ...............................................................................................2-2
1.4 Antenna Matching Network ............................................................................2-2
1.5 Power Control Integrated Circuit (PCIC) ........................................................2-2
1.6 Temperature Cut Back Circuit ........................................................................2-2
2.0 Lowband Receiver ...............................................................................................2-3
2.1 Receiver Front-End ........................................................................................2-3
2.2 Receiver Back-End.........................................................................................2-4
2.3 Automatic Gain Control (AGC) .......................................................................2-5
2.4 Frequency Generation Circuit.........................................................................2-5
3.0 Synthesizer ..........................................................................................................2-6
4.0 Voltage Control Oscillator (VCO) .........................................................................2-7
4.1 Receive VCO..................................................................................................2-7
4.2 Transmit VCO.................................................................................................2-7
4.3 Buffer ..............................................................................................................2-7
4.4 Diplexer and Output Filters.............................................................................2-7
4.5 Prescalar Feedback........................................................................................2-7
Chapter 3
1.0 Receiver (Sheet 1 of 2) ........................................................................................3-1
2.0 Receiver (Sheet 2 of 2) ........................................................................................3-2
3.0 Transmitter...........................................................................................................3-3
4.0 Synthesizer ..........................................................................................................3-4
5.0 Voltage Controlled Oscillator ...............................................................................3-5
Chapter 4
LOWBAND SCHEMATICS
1.0 Allocation of Schematics and Circuit Boards .......................................................4-1
1.1 Controller Circuits ...........................................................................................4-1
2.0 Schematics ..........................................................................................................4-3
3.0 Parts List ............................................................................................................4-12
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