Test The Ecl Threshold - Agilent Technologies 1670G Series Service Manual

Test the ECL Threshold

Set up the Format menu.
1
a Press the Format key.
b Select the field to the right of Pod A1, then select ECL in the pop-up menu.
Test the high-to-low transition.
2
a On the DC power source, enter -1.438 V.
b On the logic analyzer, press Run. The display should show all channels at a logic "0"
Testing Performance
To test the threshold accuracy (logic analyzer)
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