
b. Move cursor to bit assignment field and turn on the appropriate eight
bits to be tested (* = on; . = off).
4. Set Timing Trace Specification as in figure 3-37. Follow steps a through c if
unfamiliar with menus.
a. Move cursor to Acquisition mode and SELECT Glitch.
b. Move cursor to Find Pattern and SELECT. Push DON’T CARE (all
X s) and SELECT. Set present for field to > 30 ns.
c. Set Then find Glitch to all DON’T CARES (all
s).
Figure 3-36. Threshold Accuracy Format Specification
Figure 3-37. Threshold Accuracy Trace Specification
HP 1650B/1651B Performance Tests
Service Manual 3-29
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