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Measuring Instruments
435B
HP 435B Service Manual
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M
o
d
e
l
435
Β
O
p
e
r
at
i
o
n
I
N
DICAT
E
D
P
O
WER
VER
S
U
S
R
A
N
G
E
O
F
ACT
U
A
L
P
O
WER
(
V
a
lu
es
fr
o
m
e
x
a
mpl
es
on
Fi
g
ur
es
3-5
a
nd
3-6
.)
I
N
DICAT
E
D
PO
WER
±TOTA
L
S
PE
CI
F
I
E
D
±
W
O
R
ST
CAS
E
UN
C
ER
TAI
N
TY
UN
C
ER
TAI
N
TI
E
S
(S
PE
CI
F
I
E
D
&
M
IS
M
ATC
H
)
ί
0
.84
mW
(-0
.73
dBm)
ι
EXA
MPLE
1
:
S
EN
SO
R
S
WR
=
1
.5
Ι
SO
UR
CE
S
WR
=
2
.0
Ι
Ι
Ι
0
.74
mW
(-1
.29
dB
m)
6
.1%
/
ί
ι
0
.7
mW
(-1
.55
dBm)
ι
N
/
/
61
.°/
ο
ί
0
.66
mW
(-1
.81
dB
m)
ι
0
.66
mW
(-1
.81
dBm)
EXA
MPLE
2
:
S
EN
SO
R
S
WR
=
1
.25
SO
UR
C
E
S
WR
=2
.0
+13
.8%
ο
1+19
.9%
ι
Ι
Ι
ί
0
.57
m
W
(-2
.4
dB
m)
0
.8
MW
(-0
.98
dBm)
ACT
U
A
LP
O
WER
ANYWHERE
IN
S
H
AD
E
D
A
RE
A
ACT
U
A
LP
O
WER
+7
.5%
ο
+13
.6%
A
N
Y
WHERE
1
Ν
ι
Ι
Ι
S
H
AD
E
D
A
RE
A
0
.74
Μνν
(-1
.29
dBm)
66
.1%
0
.7
m
W
(-1
.55
dBm)
ί
/
ι
ι
0
.6
mW
(-2
.1
dBm)
Figure
3-7
.
Worst
Case
E
ffects
of
Specifie
d
an
d
M
ismatc
h
U
ncertainties
3-
1
3
29
31
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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