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HP 8481A - Page 34

HP 8481A
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CO
00
o
4^
00
CD
o
CO
CD
POWER
SENSORS
8481A/8482A/B483A
r
A2
INPUT
AMPLIFIER
ASSEMBLY
(84B1A!
0S4S1'60017)<8482A;
08482-6000»(84B3A;
084&3-60004I
J)
3
}<LAUrO
ZERO
o
I
I
I
oi—C3D
<H
I
A1
BULKHEAD
ASSEMBLY
(8481A;
0B4S1-600O4)
<MCA:08482-60003)IS4B3A;
084S3*60003I
ZZOHin-i
CATE
DRIVE
t
B
'
UIFETASSY
<1813-0060)
l<c
<w>—f<c
4
6
INPUT
AMPLIFIER
R1
^THERMOCOUPLES^
SAMPLED
AC
OUTPUT
Hz
NOTE
2
c5'
R2
TCI
I
I
I
C2
5
<0
:C7
C6
C
law
r
t
I
100
pF
.01
100
pF
I
I
I
R1
I
El
01
»
3
1*11
15
1854-0610
t
I
N
I
GOLD
&
S
-^02
C4
R4
>
1 1
1-1—
/xcrv
n
FEEDBACK
D
return
I
I
HI/.MOUNT
RESISTOR
1
I
!/.
CHASSIS
t
i<
^
GROUND
GUARD
CONNEaiONS
I
I
I
Ql
R4
TO
POWER
MHER
VIA
POWER
SENSOR
CABU
WIRE
3.3
1000
C3
1000
C8
100
pF
(/>
lOOpF
o
8
I
zr
t
C5
I
3
:
:
R3
0.1
Cl::
I
i
.
.C9
s
.CIO
’47
♦‘100
RF
15
5
7
fi
)
NOTE
2
I
INPUT
R2
>
sr.
3160
O
m
(5
9
INPUT
GUARD
OUTPUT
GUARD
RTl
D
31.6
I
5‘
A
E2
I
/
I
P
SIGNAL
N
GROUND
l-l
(M>
O
OLD
I
4
I
SAMPLING
CATE
I
I
I
IREi
CONNECTOR
3
X
I
L
J
BODY
RffIKNCC
DfSIGHATNMt
HTHIN
OUTLINtO
AttlMKieS
ARf
AtMCVIATEO
PUU
OCSICNATKM
W-
CLUKI
A}»ilM.r
NUaU»;
tt,
il
OP
AVUlitLY
Al
It
AIKI
OfSICMATKWf
OP
OTHlft
COaPOMlNTt
AftC
COaPLITI
At
JH0«M
I
m
"Q
1
O
i»e»
IU«IOtl
O
»<l}«
t»u
tMM
l«»
J1
Q)
MATING
SIDE
NOTES
1.
UNLESS
OTHERWISE
INDICATED:
RESISTANCE
IN
OHMS:
CAPACITANCE
IN
MICROFARADS.
2.
THE
VALUES
OF
COMPONENTS
A2RI
ANO
A2CIAREASF0LL0V'S:
848IA:
A2RI
IS464
KO
A2C1IS47UI
8482A:
A2R1
IS
562
KO
A2C1IS39
iJf
8483A:A2R1
IS
787
KO
A2C1
IS
27
Ml
3.
Al
BULKHEAD
ASSEMBLY
IS
NOT
REPAIRABLE.
REFERENCE
DESIGNATIONS
CO
NO
PREFIX
A2
ASSY
(D
4^
J1
Cl'io
CRl
EI.2
Ql
Rl-4
CAUTION:
DO
NOT
FORCE
LARGE'OIAMETER
TEST
PRODS
INTO
THE
PIN
RECEPTACLES
OF
Jl.
THIS
MAY
PERMANENTLY
DEFORM
THE
RECEPTACLES.
RTl
U1
X
■u
09
4^
00
>
ro
>
00
CO
>
)

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