HP 54501A - Trigger Sensitivity Test

3-7 . TRIGGER
SENSITIVITY TEST
Specification
:
Equipment Required :
Procedure :
5 mV/div

do - 20 MHz

0 .1 X full-scale
20 MHz -
100 MHz

0 .25
X full-scale
All
other

do - 20 MHz

0 .05 X full-scale
20 MHz - 100 MHz

0 .125 X full-scale
1 .

Connect
Signal Generator to HP 54501A Channel 1 input .
2 .

Set Channel 1 vertical sensitivity to 5 mV/div .
a .

Press front-panel
CHAN key
.
b .

Select 5
mV/div with knob, softkey, or ENTRY keys .
4 .

Set HP 54501 A
DISPLAY
menu
for 2048
averages .
a .

Press
front-panel DISPLAY key .
b .

Select
avg with softkey .
c .

Enter 2048 with knob or ENTRY keys .
NOTE
The display of the HP 54501A
is
improved by using averaging
mode,
however, the
rate of
display refresh is slowed con-
siderably
because of
the
averaging process .
HP
54501A PERFORMANCE TESTS
Signal Generator
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.
. .
.
. . . . .
.
. .
. . . . . . . . . . .
. .
HP
8656B
Type
N
Cable
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . HP
11500B
3 .

Set
Signal Generator for 10 MHz output, adjusting output level for approximately 8
divisions
of
vertical deflection on HP 54501 A . Use HP 54501A AUTOSCALE as
necessary .
5 .

Press HP 54501A
front-panel TRIG key and adjust trigger level as necessary for stable
display .