Publication No. 980935 Rev. A
3152B User Manual
2. Change the counter/timer function to Period Averaged
3. With the last function generator setting in Table 31, verify that
the period reading is 10.00000
μ
s
±
50 ps
Test Results
Pass
Fail
Pulse Width
Equipment: Function Generator with at least 1 ppm accuracy
Preparation:
1. Configure the function generator as follows:
Frequency:
As required by the test
Wave:
Square
Duty Cycle:
As required by the test
Amplitude 500
mV
2. Connect the function generator to the 3152B TRIG IN connector
3. Configure the 3152B, as follows:
Auxiliary Function: Counter/Timer
Function: Pulse
Width
Trigger Level: 0 V
Test Procedure:
1. Perform Pulse Width Accuracy tests using Table 6-30.
Table 6-30, Pulse Width Measurement Accuracy
Function Generator Setting
Frequency Duty
Cycle
Error Limits
3152B
Counter Reading
Pass
Fail
100 kHz
50 %
5.000
μ
s
±
100 ns
100 kHz
70 %
7.07
μ
s
±
100 ns
2. Change the counter/timer slope to Negative.
3. With the last function generator setting in Table 30, change the
function generator duty cycle to 70%.
4. Verify that the pulse width reading is 3.0
μ
s
±
100 ns.
Test Results
Pass
Fail
Totalize, Infinite
Equipment: Function Generator with at least 1 ppm accuracy
Preparation:
1. Configure the function generator as follows:
Frequency: 100
MHz
Wave:
Square
Amplitude 500
mV
Counted Burst: 1,000,000
EADS North America Test and Services
Performance Checks 6-37
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