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Measuring Instruments
435B
HP 435B Service Manual
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Manual
Specs
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In
sta
ll
at
i
o
n
M
o
d
e
l
435
Β
Battery
O
p
eratio
n
(Cont'
d
)
d
.
Pl
ace
t
h
e
b
atte
ry
c
l
a
mp
o
v
e
r
t
h
e
b
atte
ry
a
nd
sec
ur
e
i
t
.
Th
e
t
w
o
pro
n
gs
fi
t
in
to
s
l
ots
on
t
h
e
r
ea
r
W
A
RN
I
N
GS
(Cont'
d
)
p
a
n
e
l
a
nd
t
h
e
6-32
χ
1/2-
in
c
h
pan
hea
d
m
ac
hin
e
sc
r
e
w
h
o
ld
s
t
h
e
f
o
rw
a
rd
e
nd
of
t
h
e
c
l
a
mp
in
pl
ace
.
2-
4
D
o
n
ot
s
h
o
r
t
t
h
e
batte
ry
te
rmin
a
l
s
.
T
hi
s
ma
y
r
es
ul
t
in
o
v
e
rh
eatin
g
w
hi
c
h
ca
n
ca
u
se
b
urn
s
o
r
in
c
r
ease
ri
s
k
of
f
ir
e
.
D
o
n
ot
in
c
in
e
r
ate
o
r
mu
t
il
ate
t
h
e
bat-
te
ry
.
It
m
i
g
h
t
b
ur
st
o
r
r
e
l
ease
to
xi
c
mate
ri
a
l
s
ca
u
s
in
g
pe
r
so
n
a
l
in
j
ury
.
Th
e
b
atte
ry
i
s
insta
ll
e
d
in
t
h
e
P
o
w
e
r
M
ete
r
as
f
o
ll
o
w
s
(see
Fi
g
ur
e
2-4)
:
α
.
R
e
m
o
v
e
t
h
e
to
p
co
v
e
r
.
b
.
Ho
ld
t
h
e
b
atte
ry
a
b
o
v
e
t
h
e
P
o
w
e
r
M
ete
r
,
p
a
r
a
ll
e
l
to
prin
te
d
c
ir
c
ui
t
b
oa
rd
Α
4
.
Th
e
b
atte
ry
te
rmin
a
l
lu
gs
mu
st
f
ace
t
h
e
c
ir
c
ui
t
b
oa
rd
.
c
.
L
oose
n
t
h
e
lu
gs
.
Mo
v
e
t
h
e
battery
d
o
wn
in
to
pl
ace
a
nd
g
uid
e
t
h
e
lu
gs
in
to
t
h
e
s
l
ots
on
t
h
e
c
ir-
c
ui
t
b
oa
rd
.
Th
e
b
atte
ry
s
h
o
uld
now
r
est
on
t
h
e
a
luminum
dec
k
.
e
.
Ti
g
h
te
n
t
h
e
b
atte
ry
te
rmin
a
l
lu
gs
by
h
a
nd
.
Fi
g
ur
e
2-5
s
h
o
w
s
t
h
e
P
owe
r
M
ete
r
wi
t
h
b
atte
ry
in
sta
ll
e
d
.
B
attery
C
h
arging
.
Th
e
b
atte
ry
i
s
b
e
in
g
c
h
ar
ge
d
if
t
h
e
b
atte
ry
h
as
b
ee
n
in
sta
ll
e
d,
t
h
e
lin
e
p
o
w
e
r
ca
bl
e
i
s
co
nn
ecte
d
to
t
h
e
a
v
a
il
a
bl
e
lin
e
p
o
w
e
r,
a
nd
t
h
e
LINE
s
wi
tc
h
i
s
ON
.
In
t
h
e
fully
c
h
a
r
ge
d
co
ndi
t
i
o
n,
(24-
h
o
ur
c
h
a
r
ge
t
ime),
t
h
e
b
atte
ry
will
s
upply
p
o
w
e
r
f
o
r
α
minimum
o
f
16
h
our
s
.
2-14
.
STO
R
AG
E
A
N
D
S
H
I
PMEN
T
2-15
.
Environment
Th
e
in
st
rum
e
n
t
s
h
o
uld
b
e
sto
r
e
d
in
α
c
l
ea
n,
dry
envir
o
nm
e
n
t
.
Th
e
f
o
ll
o
win
g
envir
o
nm
e
n
ta
l
lim-
i
tat
i
o
n
s
a
pply
to
b
ot
h
sto
r
age
a
nd
s
hipm
e
n
t
:
T
e
mp
e
r
at
ur
e
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
-55
to
+75°C
Humidi
t
y
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
<95%
ο
r
e
l
at
iv
e
at
40
°
C
Al
t
i
t
ud
e
.
.
.
.
.
.
.
.
.
.
.
.
.
<15
300
m
et
r
es
(50
000
f
eet)
F
ig
u
re
2-4
.
B
atte
r
y
Installation
F
igure
2-5
.
P
ower
M
eter
wit
h
B
atte
r
y
Installe
d
15
17
Table of Contents
Table of Contents
4
General Information
9
Introduction
9
In Struments Covered by Manual
9
De Sc R Iptio N
9
O P B Tio N S
10
Atte Ry
11
Sa F et y Co N S ID E R at I O N
11
HP M Odel 435 Β a
11
R Ecommend Ed Test Equipment
11
I Nstall Atio N
13
Introduction
13
Preparation for Use
13
T I a L in S P Ect I O N
13
Mete R
14
Ower Cable
14
Oltage Selection
14
L Ect I O N
14
Interconnections
14
L I N E V Oltage Selection
14
Operat Ing Environment
15
B Ench O Peration
15
F R Ac K Moun Ting
15
M Ains Plu Gs Available
15
B Atte Ry Installation
16
Ow er Mete R
16
3-12 . Battery
20
Rea R Pa N E L Co N Trol S, Connectors and Ind Icato R S
22
Oper Ator's C He Cks
23
O Per Ating Instru Ct I O N S
25
Per Atio N
26
Specified Uncertainties
27
Calculating M
29
Eas Ureme Nt un Certa Inties
29
Mismatch un Certai Nties
30
Calculating M Eas Ureme Nt un Certai Nty
31
Introduction
32
In Eas
32
R St Case
32
CC Ur
32
Ac Ur
32
Perf O Rm an Ce te Sts
34
Eco Rd
34
Rf Rm Ce Tests
34
Power Reference
34
Est
35
Z Ero Carryover Test Set up
35
Erform Ance Est
37
Est
38
Ad Ju St Men Ts
40
Introduction
40
N S
40
Ad J
40
Locations
40
Specifications
40
Actory Selected Co Mponents
40
Ower Reference Oscillator Level Adjustment
42
P Ower Reference Osc Ill Ator Level
43
Multivibrator Adjust Ment
45
Ower Meter Adjustments with 50Ω P
47
P Ower Meter Ad
47
Owe R Sensor
48
O W E R M Ete R Ad J U St M E N Ts Wi T H Ca Libr Ato R
50
With Calibrator
50
Repl Ac
52
Section E ABLE P V I a RTS
52
Introduction
52
Abbreviations
52
E Pl Acea Bl E P
52
Actory Se Lecte D Parts (*)
52
Orderin G in St Ructions
52
Arts Provi Sioning
52
Epl Acea Ble Parts
52
Ma Nu al Chan G es
63
Introduction
63
Manual Change in Structions
63
Servic E
65
Introduction
65
Sa F et y Co N S ID E R at I O N
65
H Eets
65
Fr O N T
69
Ower Sensor
77
Sc Hem at IC
78
Ge Neral Se Rvi Ce Inf Orm at Ion
79
Ca Libr Ato R
79
Oa Rd S
81
Ρ/Ο Α4 Ass Embly
82
Ρ/0 Α
86
P Ower S Upply
89
Operational Amplifiers
90
Ρ/Ο Α4 Assem Bl y
92
Ρ/Ο Α4 Ass Embly
99
Ower Refere Eference Assembly
107
Sc Hematic Diagram
107
Ocatio Ns
108
Ero
110
5
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HP 435B Specifications
General
Brand
HP
Model
435B
Category
Measuring Instruments
Language
English
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