3156B User Manual
Racal Instrument © 2005
Maintenance and Performance Checks 6-17
Sequence
Operation
Automatic
Advance
Equipment
: Counter
Preparation
:
1. Configure the counter as follows:
Function:
TOTB
Measurement
2. Connect the counter channel B to the 3156B output
3. Configure the 3156B channels 1/2 as follows:
Reset
SCLK
200MS/s
Waveform: Sequence
Run
Mode: Trigger
Amplitude: 2V
Output:
On
4. Using WaveCAD prepare and download the following waveform:
Segments:
1 to 5
Wavelength: 100
points
Waveform:
1 cycle square
5. Using WaveCAD, build and download the following sequence
table:
Step 1:
Segment 1, loop 100,000
Step 2:
Segment 2, loop 100,000
Step 3:
Segment 3, loop 100,000
Step 4:
Segment 4, loop 100,000
Step 5:
Segment 5, loop 100,000
Test Procedure
1. From WaveCAD, select Enable On and observe that counter
reading is 500,000 counts. Reset counter and repeat the test a
few times. Every time the counter reading should be 500,000
counts exactly
Test Results
Pass
Fail
2. Remove the cable from 3156B channel 1 and connect to channel
2
3. Repeat the test procedure as above for channel 2
Test Results
Pass
Fail