HP 53181A - 10 Mhz External Timebase Input for the HP 53132 A

Chapter 1 Performance Tests
HP 53131A/132A/181A Operational Verification
Assembly-Level Service Guide 1-15
1
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.