Service manual
Model 5304A
Maintenance
Table 9D-5-1. In-Cabinet Performance Checks
1. CHK
mode
and
Time Interval Holdoff.
a. Set
5300A
OSC
switch
to INT.
b.
Mate 5300A
to
5304A
and
ensure
ie
casting latches
at
rear
of
5300A
are
latched.
c.
Connect
ac
power
to
5300A
ac
receptacle.
d.
Turn
ac
power
"on"
with 5300A SAMPLE
RATE slightly
cw out of OFF.
e. Set
COM-SEP-CHK
to CHK;
"Function"
switch
to
FREQ
A,
AUTO. Display
should
be
10.0000
MHz +1
count.
f. Set
"Function switch
to T. I. A to B,
.1
psec. Press 5300A RESET switch;
the
5300A display should
be
about
.2
psec
(200
nsec residual holdoff).
It may
also
be
.0/jsec.
g. Set the
DELAY slightly
cw out of the de-
tent position. Display should
be
approxi-
mately 100/jsec.
h.
Adjust
the
DELAY control
cw
until
maximum setting
is
reached. Display
should
be
about
*
OOOOO.O
/JS (* =
OVER-
FLOW) (100,000.0 jL/sec).
i.
Repeat steps
g and h for the
following
ranges; display should
be as
listed.
T. I. A to B
Approximate 5300A Display with
DELAY control:
ccw out of
Detent
max. cw
1
[j.sec
000100 p.sec
100000 jjisec
lOjosec
0000.10
MS
0100.00
MS
1 ms
00000.0
MS
00100.0
MS
1 ms
000000
MS
000100
MS
10 ms
0000.00
s
0000.10
S
2.
FREQ
A
Mode.
RANGE:
dc
coupled:
0 to 10 MHz.
ac
coupled:
100 Hz to 10 MHz.
Sensitivity
as in
Table 9D-1-1.
Obtain following test Equipment:
HP 651B
Test Oscillator
HP
11048B 50-0hm Feed-Thru
Termination
Table
5-1 in the
5300A portion
of the
manual
and
Table 9D-5-1 lists equipment used;
equipment with equivalent characteristics
may be
used.
a.
Connect
651B
50-0hm OUTPUT through
the
50-0hm feed-thru
to
5304A
"A
INPUT" connector.
Set
5304A "Func-
tion" switch
to
FREQ
A,
AUTO;
set
COM-SEP-CHK
to SEP,
ATTEN
to XI,
AC-DC
to AC,
SLOPE
to +,
LEVEL
to
PSET
or
adjusted until
a
stable count
is
displayed.
b. Set
65IB
to
frequencies
and
output
levels listed below: Display should
be
as
listed.
3.
FREQ
A
Mode, Pulse Measurements.
RANGE: decoupled:
0 to 10 MHz
Sensitivity
as in
Table 9D-1-1.
Pulse Width:
40
nsec minimum
Obtain
the
following test equipment:
HP
Model 222A Pulse Generator
HP
Model 11048B 50-ohm Feed-
thru Termination
HP
Model
180A
Oscilloscope
BNC Tee
Connector
a.
Connect equipment
as in
Figure
A.
651B
OUTPUT
mV rms
65IB FREQ
Hz
Approximate
"Function"
(sec)
Approximate Display
+ 1
Count
±
Accuracy
of
source
25
10 Hz
10
00010.0
Hz
25 10 kHz
10
10000.0
Hz
25 100 kHz 1
100000
Hz
25
1 MHz .1
1000.00
kHz
50
10 MHz
AUTO
10.0000
MHz
9D-5-16