x List of Figures
Figure 13-4. VCO and PLL Schematic Diagram .................................................................................13-2
Figure 13-5. Transmitter Schematic Diagram .....................................................................................13-3
Figure 13-6. Microprocessor and Keypad Schematic Diagram ..........................................................13-4
Figure 13-7. Audio Power Amplifier and External Audio Schematic Diagram .................................... 13-5
Figure 13-8. Switches and Battery Schematic Diagram ..................................................................... 13-6
Figure 13-9. Transmitter Audio Filter and Sub-tone Schematic Diagram ........................................... 13-7
Figure 13-10. UHF1 (403–447 MHz) Mainboard Top Side: PCB No. 8431BEAUHF300 .....................13-8
Figure 13-11. UHF1 (403–447 MHz) Mainboard Bottom Side: PCB No. 8431BEAUHF300 ................13-9
Figure 13-12. UHF1 (403–447 MHz) Sub Circuit Board Top View: PCB No. 8421BEACON100 ....... 13-10
Figure 13-13. UHF1 (403–447 MHz) Sub Circuit Board Bottom View: PCB No. 8421BEACON100..13-11
Figure 13-14. UHF1 (403–447 MHz) Keypad Board: PCB No. 8422BEACON100 ............................13-12