Sigma Gold TDP-52-SN3 Manuale Di Servizio
27.1.1999
4Z0700GB.__2
38
Product: TDP-52-SN3 (Sigma Gold) / Synthesizer
5.3.6 Control- and Output-Signals
VTXS
TX synthesizer operating voltage (4.75V)
TXAUDIO
Transmitter audio signal
12.8M
12.8 MHz signal to the receiver circuit.
SCLK
Clock signal for synthesizer control data
SDATA
Synthesizer control data
SLE
ENABLE pulse to the synthesizer
TXINJ
TX synthesizer output to the transmitter (+6 dBm)
AFC
AFC control voltage from AF/LOGIC-board
TXS_REG
Control line for VTXS-regulator