HP 37717C Calibration Manual page 283

Performance Tests
PDH Binary Interfaces (Option UH3, [US7])
8. Press
TRANSMIT
and set up the display as shown opposite.
9. Set the Signal Generator to Frequency -
170 MHz, Output Level - 500 mV and
connect to the EXT CLOCK input port of
the binary interfaces module.
10. Connect the HP 37717C binary
CLOCK O/P to the oscilloscope via the
75 /50 matching pad and the ECL
termination and check that the mark/space
ratio of the displayed clock waveform is
between 60/40 and 40/60.
Structured PDH Option UKJ [USA]
1. Press
TRANSMIT
and set up the display as
SETTINGS
shown opposite.
2. Press
TRANSMIT
and set up the display as shown opposite.
3. Set the Signal Generator to Frequency -
1.843 MHz, Output Level - 500 mV and
connect to the EXT CLOCK input port of
the binary interfaces module.
4. Connect the HP 37717C binary
CLOCK O/P to the oscilloscope via the
75 /50 matching pad and check that the
mark/space ratio of the displayed clock
waveform is between 60/40 and 40/60.
5. Repeat steps 3 and 4 with the Signal Generator frequency set to 2.253 MHz.
3-174
PDH BINARY
PDH MAIN
PDH BINARY