HP 1652B Getting Started Manual page 620

-
5. Adjust the power supply output for + 150 mV.
6. Press RUN. Data displayed
on
the
Thing Waveforms
display is all high for
the pod and channels under t&t as in figure 3-39.
-iI-
Timing biavef ems
tlarkers I-1
Accumulate torrj
flme/Dlv 7100
Delay 11 Sample period - 20 ns
w
\
PoDij
,
,
I
I
I
:
Figure 3-39. Threshold Accuracy Timing Waveforms 1
7. Adjust the power supply output for -150 mV.
8. Press RUN. Data displayed
on
the
Timing Waveforms
display is all low for
the channels under test as in figure 3-40.
l-l-
Tlmlng Wsvef arms
tlar ker9 1-1
CIccumula te
Iorrj
Time/D iv 11 Delay IO] Sample period -
20 ns
\
lpoDd
I
I
I
I
I 1
:
Figure 3-40. Threshold Accuracy Timing Waveforms 2
9. Return to the
Timing Format Specification
and change the
User Defined
pod threshold to + 9.9
V.
10. Adjust the power supply output for + 10.2 V.
11. Press RUN. Data displayed
on Timing Waveforms
display is all high for the
pod and channels under test as in the previous figure 3-39.
HP 16528/1653B
Service Manual
Performance Tests
3-33