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Function Generator Setting
Frequency
10 kHz
100 kHz
1 MHz
Test Results
Totalize, Gated
2074
Gate Time Setting
100.0 ms
Auxiliary Function: Counter/Timer
Function:
Trigger Level:
Test Procedure:
1. Perform Pulse Width Accuracy tests using Table 6-15
Table 6-15, Pulse Width Measurement Accuracy
Error Limits
Duty Cycle
50.00 μs ±100 ns
50 %
5.000 μs ±100 ns
50 %
700.0 ns ±100 ns
70 %
2. Change the counter/timer slope to Negative
3. With the last function generator setting in Table 6-15
4. Verify that the pulse width reading is 300 ns ±100 ns
Pass
Equipment: Function Generator with at least 1 ppm accuracy
Preparation:
1. Configure the function generator as follows:
Frequency:
Wave:
Amplitude
2. Connect the function generator to the 2074 TRIG IN connector
3. Configure the 2074, as follows:
Auxiliary Function: Counter/Timer
Function:
Gate Time:
Trigger Level:
Test Procedure:
1. Press the Reset/Arm button
2. Perform Totalize, Gated Accuracy tests using Table 6-16
Table 6-16, Totalize, Gate Measurement Accuracy
Error Limits
1000000 ±30
1.000 s
100000 ±30
Performance Checks
Pulse Width
0 V
2074
Counter Reading
Fail
1 MHz
Square
500 mV
Totalize, Gated
As required by the test
0 V
2074
Counter Reading
Pass
6
Test Procedures
Pass
Fail
Fail
6-27
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