12-62
Module I/O Speciļ¬cations
A33 Hop Controller
Fast Hop Busses I/O
Clock, Data, and Enable
Slow Busses
Clock, Data, and Enable
INPUT SECTION J21(40,46,44)
STEP LOOP/A J21(29,27,30)
STEP LOOP/B J21(37,35,36)
PREMOD FILTER & NSM
J21(25,23,26)
Amplitude: TTL Levels
Clock Rate: 1 MHz (bursted)
RECEIVER J21(41,39,34)
OUTPUT SECTION J21(41,39,28) (Clock and data shared with Rcvr)
REFERENCE SECTION J21(31,33,32)
SPECTRUM ANALYZER J21(31,33,38) (Clk & data shared with ref)
MODULATION DISTRIBUTION J21(53,54,52)
AUDIO 1 J21(53,54,49)
AUDIO 2 J21(53,54,50)
INPUT SECTION J21(53,54,51)
(Clk & data shared between MOD, AUD1,AUD2, INPUT2)
Amplitude: TTL Levels
Clock Rate: Approximately 180 kHz (bursted)