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CXR Larus 80-100-400 Issue 2 July 2006 page
3-12
3.333
Input Signal Level:
a. In conjunction with the backplane of the Model 54500-17 shelf, supports
two input channels with three termination alternatives:
1. Terminating input, 100 ohms. Pulse amplitude range 0.5 to 3.6 volts pk-
pk.
2. Bridging input, 964 ohms. Signal levels as in item 1.
3. Monitor input with external 964 ohm bridging. Signal levels as in item 1.
b. An input select line from the track and hold card for selecting which input
signals to place on the output lines
c. Serial Data input from both track and hold cards to the transceiver.
d. Serial Clock from both track and hold cards to the transceiver.
e. Transceiver Select lines from both track and hold cards.
3.334
Automatic Line Buildout (ALBO):
Dynamic range 0 to 25 dB
3.335 Input
Waveform:
Sine wave or square wave
3.336
Input Impedance when used in conjunction with the backplane:
a. Terminating input
100 ohms ± 5%
b. Bridging input
964 ohms ± 5%
c. Monitor input
100 ohms ± 5%
3.337 Input
Sensitivity:
0.5 to 6.0 volts b-pk
3.338
Connector (on backplane):
Three pairs of wirewrap terminals for 22 AWG shielded pair cable
3.339 Output
Signals:
