3-157
Performance Tests
Wander/Slips Measurement (Options UHN, [US9], A1M [A1Q], A1N
[A1R], A1P [A1S], A3L [A3M], A3V [A3W], A3N [A3P])
16. Select TEST TIMING [SINGLE] [60 SECS].
17. Press and set up the
Display as shown opposite.
18. Set both Synthesizers amplitude to
10dBm.
19. Set the Synthesizer connected to PDH
IN to generate a sinewave at 1,024,094.4Hz
and the Synthesizer connected to the
TIMING REF INPUT to generate a
sinewave at 2,048,204.8Hz.
20. Press and verify that the Display shows the following at the end of
the test period:
21. Select RESULTS [WANDER] [WANDER] and verify that the display shows the
following:
NOTE: In some cases the above two sets of results will all be on the same display.
22. Select RESULTS [WANDER] [BIT SLIPS].
23. Set The Synthesizer connected to PDH IN to generate 1,023,889.6Hz and the
Synthesizer connected to the TIMING REF INPUT to generate 2,047,795.2Hz and
repeat steps 19 to 21.
24. Set The Synthesizer connected to PDH IN to generate 1,023,905.6 Hz.
RESULTS
TIMING CONTROL
RESULTS
RUN/STOP
ESTIMATED BIT SLIPS : -955 TO -964 BITS
ESTIMATED FRAME SLIPS : -3 to -4
POSITIVE PEAK 0.000 BITS
NEGATIVE PEAK 955.125 to 964.875 BITS
PEAK TO PEAK 955.125 to 964.875 BITS
PEAK TO PEAK 15 MINUTES .…BITS
PEAK TO PEAK 24 HOURS .…BITS
TIME INTERVAL ERROR -955.125 to -964.875 BITS
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