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4-11
4.1.12
Ratio C/B Test
4.1.12.1
Set the 2251A to its home state. Select Ratio C/B as the measurement mode, DC
input coupling for input B, external frequency standard and set the measurement
resolution to six digits.
(Command String: IP RC ALI SRS6)
4.1.12.2
Connect the 2251A to the signal generator as shown in Figure 4-9. Set the signal
generator to 50 MHz, 100 mV rms. Verify that the counters measurement result is
50000 ± 10.
Figure 4-9, Ratio C / B Test Configuration
4.1.12.3
Disconnect the test equipment.
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Содержание 2251A
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