HP 1652B Getting Started Manual page 619

3. Configure the Timing Format Specification for a User Defined pod
threshold of 0.0 V for the pod under test and assign the lower eight bits in the
bit assignment field as in figure 3-37. Refer to steps a through c if you are
unfamiliar with menus.
v/j-
Tlmlng Format Speclf lcallon
Specify Symbols
Pod 1
+ 0.0 v
FLctivity > ----------------
Label
PO1
0 +
Figure
3-37.
Threshold Accuracy Format Specification
a. Move the cursor to the Pod Threshold field and press SELECT.
b. Move the cursor to User-defined and press SELECT. Then enter the
appropriate voltage threshold.
c. Move the cursor to the bit assignment field and turn on the appropriate
eight bits to be tested (* = on; . = off).
4. Set the Timing Trace Specification as in figure 3-38. Follow steps a through
d if you are unfamiliar with menus.
Speclflcatlon
I
WI)- Tlmlng Trace
Trace mode-1
Armed by 1-1
Acquisition
mode
1 Glitch 1
Label >
Base 1
Find
Pat tern
pr ese
Then f l n d
Edge
Of
Glitch
[POD-J
1 Hex 1
I
tnt for
I
I
El
[ 30ns ]
Figure
3-38.
Threshold Accuracy Trace Specification
a. Move the cursor to the Acquisition mode and select the Glitch mode.
b. Move the cursor to Find Pattern and press SELECT. Then assign
Don't Cares (all X s) and press SELECT.
c. Set present for to >
30
ns.
d. Set Then find Glitch to all Don't Cares (all periods 'Y).
Performance Tests
3-32
HP
1652B/1653B
Service Manual