Appendix
60
Schematic diagram of CE-19 expansion card interface
PTT CON
TO XPA125
AF CON
PTT signal/BAND signal output port. PTT signal of the port is completely isolated from main machine,
providing 'low level' trigger linked with main machine.
Special interface for XPA125 power amplifier and antenna tuner AIO.
Audio input/output port. Audio output from the port is directly output after demodulation without filter.
DATA CON Data output port under NFM mode. Two terminals of the port are in parallel relationship, outputting same signals.
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