HP 1660 Series User Manual

Test the TTL threshold
11 Press the Format key. Select the field to the right of Pod 1, then select TTL in the
pop-up menu.
22 On the function generator front panel, enter 1.750 V ± 1 mV DC offset. Use the
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.
33
Using the Modify down arrow on the function generator, decrease offset voltage in
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.
Testing Performance
To test the threshold accuracy (logic analyzer)
3–10

HP 1660 Series Specifications

General

Category	Logic Analyzer
Glitch Trigger	Yes
Pattern Trigger	Yes
State Analysis	Yes
Transitional Timing	Yes
Trigger Modes	Edge, Pattern, Glitch