HP 54501A - Delta-T Accuracy Test

HP
54501A
PERFORMANCE TESTS
3-8 . DELTA-T ACCURACY
TEST
Specification
:
Delta-t accuracy
for dual-cursor, single-channel measurement,
or for channel-to-channel
measurement
after visual time
null calibration
has
been done .
Equipment Required :
Signal Generator . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . HP 8656B
BNC Cable
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 10503A
Procedure :
+- 2% of (t/div) +- .005% of Delta t +- 1 ns
1 .

Set Signal
Generator for 100 MHz output .
2 .

Connect
Signal Generator to HP 54501A Channel
1 input
.
3 .

Autoscale
HP 54501 A by pressing front-panel AUTOSCALE
key
.
4 .

Adjust
Signal Generator output level for 6 to 8
division vertical deflection on HP 54501A .
5 .

Change TIMEBASE to 5
ns/div .
6 .

Set TIMEBASE
delay for 0 .00000 s .
7 .

Go to
DISPLAY menu and set # of
averages 2048 .
8 .

Select delta-t menu by pressing
At/AV
key .
9 .

Select At markers
on .
10 .

Set start
marker to mid-screen crossover point on left side
of displayed signal as in figure
3-2 .
11 .

Set stop
marker to mid-screen crossover point on
right side of displayed signal as in figure
3-2 .
12 .

Measure of delta
t
at bottom
of display should be 40ns t 1 .3 ns (38 .7 ns to
41
.3 ns) .