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Chapter 1 Performance Tests

HP 53131A/132A/181A Operational Verification

Assembly-Level Service Guide 1-15

10 MHz External Timebase Input for the HP 53132A

1 Connect the equipment as shown in Figure 1-4.

2 Set Synthesizer #1 (i.e., the HP 3325B that is connected to the

rear-panel Ref In input of the Counter via a 50

Ω

feedthrough) to

output a 10 MHz, 200 mV rms sine wave signal.

3 Set Synthesizer #2 (i.e., the HP 3325B that is connected to

Channel 1) to output a 2 MHz, 100 mV rms square wave signal.

Verify the Counter displays a reading of approximately 2 MHz and the

ExtRef annunciator is lit.

4 Mark Pass or Fail in the HP 53131A/132A Performance Test

Record on page 1-41, Test 8d.

5 Disconnect the test setup.

This completes the Operational Verification for the HP 53132A.

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HP 181A Bedienungsanleitung Seite 37