Verification and Performance Tests 5
Additional Verification Tests
U3606A User’s and Service Guide 169
Square-wave frequency output verification test
1 Turn off the instrument and connect a universal frequency counter
between the front panel (red) and (black) output terminals (see
Figure 5- 12 on page 147).
2 Turn on the instrument. Press to select the square- wave mode.
3 Output each value in the order shown below. Record the output
frequency reading on the universal frequency counter. Compare the
measurement results to the appropriate test limits shown in Table 5- 17.
Square-wave duty cycle output verification test
1 Turn off the instrument and connect an oscilloscope between the front
panel (red) and (black) output terminals (see Figure 5- 12 on
page 147).
2 Turn on the instrument. Press to select the square- wave mode.
3 Output each value in the order shown below. Record the output duty
cycle reading on the oscilloscope. Compare the measurement results to
the appropriate test limits shown in Table 5- 18.
Table 5 - 16 Square-wave amplitude output verification test
Output amplitude Output frequency Range
Error from
nominal 1 year
30 V 4800 Hz @ 99.60% 30 V ±0.2 V
8 V 4800 Hz @ 99.60% 8 V ±0.2 V
Table 5 - 17 Square-wave frequency output verification test
Output frequency Output amplitude Range
Error from
nominal 1 year
4800 Hz @ 50% 30 V 30 V ±0.25 Hz
4800 Hz @ 50% 8 V 8 V ±0.25 Hz
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