
3-30
Performance Tests
Multiple PDH Transmitter Outputs (Options UHC, [US6])
66. Select the 34Mb/s G703 Mask on the oscilloscope and store it on the Display.
67. Press SHIFT
on the oscilloscope to automatically align the pulse
to the mask. Verify that the pulse falls within the mask as shown in Figure 3-18.
N OT E
If your oscilloscope does not have the Mask feature, obtain a printout of the displayed
pulse. Place the mask shown in Figure 3-18 over the pulse and ensure that the pulse
falls within the mask (a transparent copy of the mask should be used).
Figure 3-18
34 Mb/s Pulse Mask
68. Repeat steps 64 to 67 with the Oscilloscope Channel 1 connected to SIGNAL
OUT 3 and SIGNAL OUT 4 in turn.
69. Press
on the oscilloscope to display the full waveform and use the
following sequence to display the isolated negative pulse:
Select
menu.
Set trigger level to middle of negative pulse.
Set Trigger to P
ATTERN
.
Set Sequence to H X X.
70. Use the oscilloscope
function to display an inverted pulse
mask on the oscilloscope.
AUTOSCALE
AUTOSCALE
TRIG
STORE INVERT
Summary of Contents for 37717C
Page 2: ...HP 37717C Communications Performance Analyzer Calibration Manual ...
Page 5: ...2 ...
Page 21: ...xviii Contents ...
Page 109: ...2 20 Installation Additional Precautions for Service Engineers ...
Page 312: ...3 203 Performance Tests Trigger Output Option UKZ Figure 3 57 Monitor Input Test Setup ...
Page 375: ...3 266 Performance Tests Performance Test Record ...
Page 379: ...4 4 Installation Current Previous Terminology ...
Page 392: ...B 9 Appendix B Fitting Calibrating Testing New Modules Typical Jitter Transmit Spectrum ...
Page 393: ...B 10 Appendix B Fitting Calibrating Testing New Modules ...