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Testing Performance
To test the threshold accuracy (logic analyzer)
Test the − User threshold
Move the cursor to the field to the right of Pod A1. Type –6.00, then use the left and
1
right cursor control keys to highlight V. Press the Select key.
On the function generator front panel, enter −5.718 V ±1 mV DC offset. Use the
2
multimeter to verify the voltage.
The activity indicators for pod 1 should show all data channels and the J-clock channel at a
logic high.
Using the Modify down arrow on the function generator, decrease offset voltage in
3
1-mV increments until all activity indicators for pod 1 show the channels at a logic
low. Record the function generator voltage in the performance test record.
Using the Modify up arrow on the function generator, increase offset voltage in
4
1-mV increments until all activity indicators show the channels at a logic high.
Record the function generator voltage in the performance test record.
3–14
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