Service manual
Model 5304A
Maintenance
Table 9D-5-1. In-Cabinet Performance Checks (Continued)
Figure
A
Figure
H
HP
2??A
HP
iBuA
CHAN
A
VtRT
IN
PULSE
OUTPUT
oNC TEE
HP
S300A
HP
5304A
TO
CHAN
A
soft
FEEDTHRU
b. Set
222A
for "+"
PULSE POLARITY;
40
nsec pulse width;
150 mV p-p as
monitored
on
oscilloscope.
c.
Monitor 222A pulse output with oscil-
loscope
and set REP
RATE
for 10 Hz.
d. Set
5304A Channel
A
controls
as
follows:
ATT EN
switch
to XI
AC-DC
to DC
SLOPE
to +.
LEVEL
to
PSET
or
adjust until
a
stable count
is
displayed.
e.
5300A display should
be
approximately
10 Hz.
f.
Repeat step
c
with 222A repetition rates
of 10 kHz, 100 kHz, 1 MHz and 10 MHz.
The
5300A display should
be the
same
as the
222A repetition rate setting.
g. Set
222A PULSE POLARITY
to
Set
5304A Channel
A
SLOPE
to -.
Repeat steps
b
through
f.
4. PER AVG A
Mode.
RANGE:
10 Hz(.l sec) to 1 MHz (I
/jsec).
Obtain
the
following test equipment:
HP
Model
651B
Test Oscillator.
HP
Model 11048B
50 OHM
Feed-thru
Termination.
a.
Connect equipment
as
shown
in
Figure
B.
b. Set
5304A Channel
A
controls
as
follows:
1.
"Function" switch
to PER AVG A.
2.
ATTEN
to XL
3.
AC-DC
to AC.
HP 6510 HP i BOA
CHAN
A
VERT
IN
NPUT
BNC TEE
HP
5300A
HP
5304A
10MHz
FEEDTHRU
4.
SLOPE
to +.
5.
LEVEL
to
PSET
or
adjusted until
a
stable display
is
obtained.
c.
Monitor
the
oscilloscope
and set 651B con-
trols
for 10 Hz, 100 mV rms
output.
d.
Display should
be
approximately
*
00.0000
MS , C <* =
OVERFLOW)
(100
msec).
e.
Monitor
the
oscilloscope
and set 651B for
the
following frequencies; display should
be as
listed.
65 IB
10 kHz
100 kHz
I MHz
5300A/5304A
100.000/isC
10.0000 fjsC
01.0000
M
sC
NOTE
Periods averaged
are
automati-
cally selected
to
provide maxi-
mum
resolution.
5. T. I. A to B
(Time Interval) Mode.
RANGE:
500
nsec
to
10,000 seconds.
Obtain
the
following test equipment:
HP
Model 222A Pulse Generator
(2
required).
HP
Model 11048B 50-0hm Feed-thru
Termination
(2
required).
HP
Model
180A
Oscilloscope.
BNC Tee
Connectors,
(3
required).
a.
Connect equipment
as
shown
in
Figure
C.
9D-5-17