viii Table of Contents
June, 2005 6880309N62-C
List of Figures
Figure 1-1. Programming/Test Cable..................................................................................................1-4
Figure 1-2. Wiring of the Connectors..................................................................................................1-4
Figure 2-1. DC Power Distribution Block Diagram..............................................................................2-1
Figure 4-1. VHF Receiver Block Diagram...........................................................................................4-1
Figure 4-2. VHF Transmitter Block Diagram.......................................................................................4-3
Figure 4-3. VHF Frequency Generation Unit Block Diagram..............................................................4-5
Figure 4-4. VHF Synthesizer Block Diagram ......................................................................................4-6
Figure 4-5. VHF VCO Block Diagram .................................................................................................4-7
Figure 5-1. VHF Receiver Block Diagram...........................................................................................5-1
Figure 5-2. VHF Transmitter Block Diagram.......................................................................................5-3
Figure 5-3. VHF Frequency Generation Unit Block Diagram..............................................................5-5
Figure 5-4. VHF Synthesizer Block Diagram ......................................................................................5-6
Figure 5-5. VHF VCO Block Diagram .................................................................................................5-7
Figure 7-1. Six-Layer Circuit Board: Copper Steps in Layer Sequence..............................................7-3
Figure 7-2. Speaker and Microphone Schematic................................................................................7-3
Figure 7-3. VHF (136-162 MHz) Radio Circuit Block Interconnect Diagram (8486769Z02-A) ...........7-5
Figure 7-4. VHF (136-162 MHz) Receiver Front End Schematic Diagram (8486769Z02-A)..............7-6
Figure 7-5. VHF (136-162 MHz) Receiver Back End Schematic Diagram (8486769Z02-A) ..............7-7
Figure 7-6. VHF (136-162 MHz) Synthesizer Schematic Diagram (8486769Z02-A)..........................7-8
Figure 7-7. VHF (136-162 MHz) Voltage Controlled Oscillator Schematic
Diagram (8486769Z02-A).................................................................................................7-9
Figure 7-8. VHF (136-162 MHz) Transmitter and Power Control Schematic
Diagram (8486769Z02-A)...............................................................................................7-10
Figure 7-9. VHF (136-162 MHz) Controller Interconnect Schematic Diagram (8486769Z02-A) ......7-11
Figure 7-10. VHF (136-162 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z02-A)...7-12
Figure 7-11. VHF (136-162 MHz) Audio Circuitry Schematic Diagram (8486769Z02-A) ...................7-13
Figure 7-12. VHF (136-162 MHz) DC Regulation Schematic Diagram (8486769Z02-A) ...................7-14
Figure 7-13. VHF (136-162 MHz) Board Top Side View (8486769Z02-A) .........................................7-15
Figure 7-14. VHF (136-162 MHz) Board Bottom Side View (8486769Z02-A) ....................................7-16
Figure 7-15. VHF (136-162 MHz) Radio Circuit Block Interconnect Diagram (8486769Z04-C) .........7-21
Figure 7-16. VHF (136-162 MHz) Receiver Front End Schematic Diagram (8486769Z04-C)............7-22
Figure 7-17. VHF (136-162 MHz) Receiver Back End Schematic Diagram (8486769Z04-C)............7-23
Figure 7-18. VHF (136-162 MHz) Synthesizer Schematic Diagram (8486769Z04-C)........................7-24
Figure 7-19. VHF (136-162 MHz) Voltage Controlled Oscillator Schematic
Diagram (8486769Z04-C)...............................................................................................7-25
Figure 7-20. VHF (136-162 MHz) Transmitter and Power Control Schematic
Diagram (8486769Z04-C)...............................................................................................7-26
Figure 7-21. VHF (136-162 MHz) Controller Interconnect Schematic Diagram (8486769Z04-C) ......7-27
Figure 7-22. VHF (136-162 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z04-C)....7-28
Figure 7-23. VHF (136-162 MHz) Audio Circuitry Schematic Diagram (8486769Z04-C) ...................7-29
Figure 7-24. VHF (136-162 MHz) DC Regulation Schematic Diagram (8486769Z04-C) ...................7-30
Figure 7-25. VHF (136-162 MHz) Board Component Side View (8486769Z04-C).............................7-31
Figure 7-26. VHF (136-162 MHz) Board Solder Side View (8486769Z04-C).....................................7-32
Figure 7-27. VHF (146-174 MHz) Radio Circuit Block Interconnect Diagram (8486342Z09-A) .........7-21
Figure 7-28. VHF (146-174 MHz) Receiver Front End Schematic Diagram (8486342Z09-A)............7-22
Figure 7-29. VHF (146-174 MHz) Receiver Back End Schematic Diagram (8486342Z09-A) ............7-23
Figure 7-30. VHF (146-174 MHz) Synthesizer Schematic Diagram (8486342Z09-A)........................7-24
Figure 7-31. VHF (146-174 MHz) Voltage Controlled Oscillator Schematic
Diagram (8486342Z09-A)...............................................................................................7-25
Figure 7-32. VHF (146-174 MHz) Transmitter and Power Control Schematic
Diagram (8486342Z09-A)...............................................................................................7-26