Mhz External Timebase Input Test - Agilent Technologies 53150A Service Manual

Chapter 1 Performance Tests
Test 1: External Timebase Input Test
12 Set the first Synthesizer (the one connected to the Counter's rear-panel
Reference 10MHz connector) to output a 1 MHz, 1V rms, sine-wave signal.
13 Set the second Synthesizer (the one connected to the CHANNEL 1 input) to
output a 2 MHz, 100 mV rms, sine-wave signal.
14 Press and release the Counter's Reset/Local key.
15 Verify that the Counter displays a reading of approximately 2 MHz and
that the Ext Ref annunciator is activated.
16 Mark Pass or Fail for Test 1a in the Performance Test Record on
page 1-30.

2 MHz External Timebase Input Test

1 Change the frequency of the first Synthesizer (connected to the Counter's
rear-panel Reference 10 MHz connector) to 2 MHz.
2 Press and release the Counter's Reset/Local key.
3 Verify that the Counter displays a reading of approximately 2 MHz and
that the Ext Ref annunciator is activated.
4 Mark Pass or Fail for Test 1b in the Performance Test Record on page 1-30.
5 MHz External Timebase Input Test
1 Change the frequency of the first Synthesizer (connected to the Counter's
rear-panel Reference 10 MHz connector) to 5 MHz.
2 Press and release the Counter's Reset/Local key.
3 Verify that the Counter displays a reading of approximately 2 MHz and
that the Ext Ref annunciator is activated.
4 Mark Pass or Fail for Test 1c in the Performance Test Record on page 1-30.
1-14 Assembly Level Service Guide