3-47
Performance Tests
PDH Receiver Monitor Levels (Options UKK, [USB])
PDH Receiver Monitor Levels (Options UKK, [USB])
Specification
Description
The PDH receiver Monitor levels are checked by attenuating the synthesizer output
level by an amount equivalent to the extra gain provided by the Monitor Amplifier.
The synthesizer is set to generate a sinewave at half the bit rate which corresponds to
a ternary all ones signal. The receiver should sync up with no errors if PATTERN
[ALL ONES] is selected.
Equipment Required
Procedure
1. Recall the HP 37717C DEFAULT SETTINGS as shown on 3-2.
2. Connect up the equipment as shown in Figure 3-22.
3. Set the oscilloscope to: TERMINATION - 1 MΩ PROBE - 1:1
4. Select TEST TIMING [SINGLE] [5 SECS]
Bit Rate Nominal Loss
704 kb/s 26 to 30dB
2.048 Mb/s 26 to 30dB
8.448 Mb/s 26 to 30dB
34.368 Mb/s 26dB
139.264 Mb/s 26dB
Synthesizer : HP 3335A option 001
Oscilloscope : HP 54503A
RESULTS
TIMING CONTROL
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