Section V
Model
333A/334A
i.
Connect
100 k52
resistor in series with
333A/334A
input.
333A/334A
meter indication should
be
be-
tween
85
mV and
95
mV. This verifies an
input resistance of
1
MSZ
*5%
in
set
level
and distortion functions.
j,
5-17,
CAPACITANCE CHECK
a,
b.
C.
d.
e.
f.
8.
Connect
5052
output of test oscillator, term-
inated
in
5051
load, and 10
k52
resistor to
333A/334A
as
shown in
Figure
5-5.
Connect
the
resistor
lead to the INPUT terminal
of
the
333A/334A,
and
insert
the other lead
directly into the
5052
load. Connect the ground
lead from the
333A/334A
to the outer shield
of
the
50
52
load; do not
use
an adapter,
as
it
would add capacitance.
Set
333A/334A
controls
as
follows:
FUNCTION.
.........
VOLTMETER
SENSITIVITY..
...........
MAX.
SENSITIVITY VERNIER.
,
.
.
,
. .
MAX.
METER RANGE
..........
1
VOLT
Set
test
oscillator to 100 Hz and adjust amp-
litude for
333A/334A
meter indicationof 1V.
Set a reference on meter of
test
oscillator
and use amplitude control to maintain
set
reference whenever frequency of oscillator
is
varied.
Increase frequency of
test
oscillator to
540
(455)
kHz.
333A (334A)
meter indication
should
be
0.707 V or greater. verifying an
input capacitance of
30 (35)
pF
or
less
on
1
V
range in voltmeter function.
Set
333A/334A
METER RANGE switch to
0.1
V
range.
Set
test
oscillator to
100
Hz and adjust amp-
litude for
333A/334A
meter indication of
0.1V.
Set
a
reference on meter of
test
oscillator
and use amplitude control to maintain
set
reference whenever frequency of oscillator
is
varied.
Increase frequency of
test
oscillator to
230
kHz.
333A/334A
meter indication should be
70.7
mV or
greater,
verifying an input
capacitance of
70
pF or
less
on 0.1 V range
in toltmeter function.
h.
i.
Set
333A/334A
FUNCTION switch to SET
LEVEL.
Set test oscillator to 100 Hz and adjust
amp-
litude for
333A/334A
meter indication
of
0.1
V.
Set
a
reference on meter of
test
oscil-
lator and use amplitude control to maintain
set
reference whenever frequency of oscil-
lator
is
varied.
Increasefrequencyof
test
oscillator to
230
kHz.
333A/334A
meter indication should be
70.7
mV
or
greater,
verifying an input capacitance
of
70
pF or
less
in
set
level and distortion
functions.
j.
5-18.
MINIMUM INPUT LEVEL CHECK
a.
Connect
5051
output
of
test
oscillator, term-
inated in
5052
load, to
333A/334A
INPUT
terminals.
Set
333A/334A
controls as follows:
FUNCTION
..........
VOLTMETER
SENSITIVITY..
...........
MAX.
SENSITMTYVERNIER..
.....
MAX.
METER RANGE
........
0.3
VOLTS
c.
Set
test
oscillator to
400
He
and adjust
amplitude for
333A/334A
meter indication
of
0.3
v.
d.
Set
333A/334A
FUNCTION switch to SET
LEVEL.
e.
333A/334A
should indicate full scale
or
greater.
b.
5-19.
DC ISOLATION CHECK
a.
Set the
6515A
to zero output, and connect
test
equipment to
333A/334A
as
shown
in
Figure
5-6.
[wIInlnOI
REMOVE SHORTING
BAR
BE-
TWEEN CHASSIS GROUND
(+
)
AND
FRAME GROUND (
A
)
ON
333A/334A
INPUT TERMINALS.
Set
333A/334A
controls as follows:
FUNCTION.
.........
VOLTMETER
METER RANGE
..........
1
VOLT
b.
DISTORTION ANALYZER
hp
333A/334A
TEST OSCILLATOR
hp
652A
5On
FEED-THRU
TERM INATION
0
-
333A-1-1469
5 -6
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