3-19
Performance Tests
PDH/DSn Transmitter Output
Procedure - 34.368 Mb/s
Positive Pulse
1 Recall the HP 37718A/19A Default Settings as shown on page 3-4.
2 Set the display as shown opposite.
3 Connect the PDH/DSn 75Ω OUT port to the Oscilloscope CHAN 1,
terminate in 75Ω.
4 Select CHAN 1 on the Oscilloscope and set to 1MΩ input impedance.
Load the Telecom Mask
5 On the Oscilloscope, use the following key sequence to select and load
the required Telecom Mask:
a/ SHIFT (Blue Key) APPLICATION.
b/ softkey.
c/ Use ENTRY/MEASURE control to select 34MG703 in the
highlighted MSK FILES window.
d/ softkey.
Compare Pulse with Mask
6 On the Oscilloscope, use the following key sequence to compare the
pulse with the mask:
a/ RECALL 8
TRANSMIT
TELECOM MASK/MASK
LOAD SETUP 8 M1M2
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