HP 54501A - Track and Hold Offset Adjustments

4-14 . Track
and Hold Offset Adjustments
Equipment Required :
100 MHz Oscilloscope
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HP 54501 A
High
Impedance
10 :1 Divider Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HP 10432A
Procedure :
1 .

Press CHAN key and set
CHANNEL menu for the following parameters :
a .

Channels
1 and 4 on .
b .

Channels
2 and 3 off .
c .

Vertical
sensitivity of channels 1 and 4 to 100 mV/div
.
d .

Offset
for trace at center screen .
2 .

Connect oscilloscope
probe to System Board Assembly TP1 (T/H 1,2) Refer to figure 4-4 for
location of testpoints
.
3 .

Adjust
System Board Assembly R274 until the 10 MHz square
wave of Channel 1 is at mini-
mum amplitude . Do not adjust
8274
to
the end-range position .
4 .

Connect oscilloscope
probe to System Board Assembly TP2 (T/H 3,4) .
HP 54501A ADJUSTMENTS
5 .

Adjust System
Board Assembly R74 until the signal on Channel
4
is at
minimum amplitude
.