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5500A
Service Manual
Calibrator
Mainframe Edge
Output
100 mV, 1 kHz
1.00V, 1 kHz
5 mV, 10 kHz
10 mV, 10 kHz
25 mV, 10 kHz
50 mV, 10 kHz
100 mV, 10 kHz 1 V dc
500 mV, 10 kHz 1 V dc
1.00 V, 10 kHz
2.5 V, 10 kHz
6-120. Edge Frequency Verification
This procedure uses the following equipment:
•
•
Refer to Figure 6-21 for proper setup connections. Set the Calibrator Mainframe to
SCOPE mode, with the Edge menu on the display. Press O on the Calibrator
Mainframe to activate the output. Then follow these steps to verify Edge frequency:
1. Set the PM 6680's FUNCTION to measure frequency on channel A with auto
2. Using the BNC cable, connect the SCOPE connector on the Calibrator Mainframe to
3. Program the Calibrator Mainframe to output 2.5 V at each frequency listed in Table
4. Allow the PM 6680 reading to stabilize, then record the PM 6680 reading for each
Calibrator Mainframe
Frequency
(output @ 2.5 V p-p)
1 kHz
10 kHz
100 kHz
1 MHz
6-92
Table 6-54. Edge Amplification Verification
HP 3458A
Topline
Range
Reading
100 mV dc
1 V dc
100 mV dc
100 mV dc
100 mV dc
100 mV dc
1 V dc
10 V dc
PM 6680 Frequency Counter with an ovenized timebase (Option PM 9690 or PM
9691)
BNC cable supplied with the SC300
trigger, measurement time set to 1 second or longer, 50 Ω impedance, and filter off.
PM 6680 channel A.
6-55.
frequency listed in Table 6-55. Compare to the tolerance column of Table 6-55.
Table 6-55. Edge Frequency Verification
PM 6680 Reading (Frequency)
Baseline
Peak-to-
Reading
Peak
Peak-to-
Peak x
Tolerance
Correction
(±V)
0.0022
0.0202
0.0003
0.0004
0.0007
0.0012
0.0022
0.0102
0.0202
0.0502
Tolerance
0.025 Hz
0.25 Hz
2.50 Hz
25.0 Hz
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