HP 435B Service Manual

Ge
n
e
r
a
l
Inf
o rm at i o n

M o d e l 435 Β
F re qu en cy R a n ge :

R es po n se Time :
100 kHz to 26 .5 G Hz (d e p e n d in g on p owe
r
se
n sor (0 to 99% ο o f rea din
g, five t im e co n sta n
ts .)
u se d ) .

R a n ge 1 ( m ost se n s i t iv e) <10 .0 seco
n ds .
Range 2

<3 .8 seco nd s .
P owe r R a n ge :

Range 3

<1 .3 seco nd s .
( M ete r ca libr ate d in watts a nd dBm .)

R a n ges 4-10

<500 milli seco nd s .
W it h 8481 Β o r 8482 θ sensors : 44 dB wi t h 9 full sca l e

Typi
ca l, m eas ured at r eco rd er o u t put .)
r a n ges o f 5, 10, 15, 20, 25, 30, 35, 40 a n d 45 dBm
(1 m W to 25 W ) .
Cal F acto r :
W it h 8481 Η or 8482 Η se n so r s : 45 d B w i t h 9 full sca l e

16- p os iti o n sw i tc h n o rm a
liz
es
m ete r r ea din g to
r an ges of -5, 0, 5, 10, 15, 20, 25, 30 a nd 35
dBm

acco un t f o r ca libr at
i o n factor or e ff ect ive ef fi-
(30 μ W to
3 W ) .

c i e n c y .
W it h 8481 A . 8482 Α , 8483Α or 8485 Α se
n
sors :
50
dB
w it h

R a n ge 85% ο to 100% ο
in 1% ο ste p s .
10 full sca l e r a n ges of -25, -20, -15, -10, -5, 0, 5,
10, 15 a n d 20 dBm (3 μ W to
100
m W) .

Cal A d j u stment :
W it h 8484Α se n sor : 50 dB w i t h 10 full sca
l
e
r
a
n ges of

Fr o n t p a n e l a d j u st
m
e
n
t pr
o vi des
ca p
a bili
t y
to
-65, -60, -55, -50,-45, -40, -35, -30,-25 a nd

a d j u st ga in of m ete r to m atc
hp owe rse n so r in
-20 dBm (300 p W to 10
μ
W
)
.

u se .
Acc u racy :
I n st ru mentation :' ±1% ο of full sca l e on all r a n ges .
Zero : Au to m at i c, op erate d by fro n t- p a n e
l
s
wi tc h .
Ze r o Set : ±0 .5% ο of full sca l e on m ost se
n
s
i
t
iv
e
r a n ge, t yp ica l .
Zero Carryover : ±0 .5% ο of full sca l e
w h en zer oe d on
t h e m ost se n
s
i t iv e r a n ge .
Noise (t ypica l , at co n sta n t te
mp
e
r
at
ur e, p ea k
c h an ge ov er a ny o
n
e-
minu te in te rv a l) : 20 p W
(8484 Α
)
; 40 n W (8481 Α , 8482
Α ,
8483
Α , 8485 Α ) ;
4
μ
W (8481 Η , 8482 Η ) ;
40
μ W
(84818, 84828) .
Dri f t (1 ho ur, t ypica l), at co n sta
n
t
te mp er at ure
afte r 24- h our warm-up) ; 40 p W (8484
Α ) ; 15 n W
(8481 Α ,
8482
Α , 8483
Α ,
8485
Α ) ; 1 .5 μ W (8481 Η ,
8482 Η ) ;
15
μ W
(84818, 84828) .
P ower R eference : In te
rn
a
l 50 MHz osc ill ator w i t h
Typ e Ν F e m a l e co nn ecto r on fro n t p a n e l (o r
r
ea
r pa n e l, O p ti o n 003 o nly) .
P o w er o u t pu t : 1 .00 m W .
F acto ry set to ±0 .7% ο t r acea bl e to t h e N at i o na l
Bur ea u of Sta nd a rd s .
Acc urac y : ±1 .2% ο w o r st case (±0.9% ras) for
o n e y ea r
(0
to 55°C) .
Ta b le 1-1 . S p ecif i catio ns
S PE CI F ICATIO
N
S
R eco rd er O u t pu t :
Pr o p ort i o na l to in d i cate dpo
w
e
r w i t h 1 v o l t cor-
responding to full sca l e ; 1 k Ω ou t pu t
imp e d
a
n ce ;
BN C co nn ecto r .
RF B la nk i n g Out pu t :
Pr ovid es α co n tact c
l
os
ur
e
to g r o und wh e n au to-
zer o m od e i s e n gage d .
P ower Cons u m p tio n :
100, 120, 220, o r 240 V
+5% ο , -10% ο .
100 a nd 120 v o l ts, 48 to 66
Hz a
nd
360-440 Hz .
220 a nd 240 v o
l
ts, 48
to
66
Hz .
20 V - Α
m
a
ximum .
W eig h t :
N et, 2 .7 kg (5 .9 l bs) .
Dlmenilons :
155 mm
hi g h (6-3/32 inc h es) .
130 mm
w i
de (5-1/8
inc h es) .
279 mm d ee p
(11 inc h es) .
'Includes se n so r non-linearity .

A dd +2, -4% ο on to p
two r a n ges w h e nus in g t h e 8481 Ά , 8482 Α , 8483 Α a n d 848 δΑ power se n so rs ; add ±4 .0% on the
top two r a n ges w h e n u s in g t h e 8481B and 84828 powe r se n so rs ; ad
d
±5 .0%
ο
on
t h
e to
p two ra n ges w h e nu s in g t he 8481H and 8482 Η powe r se n so rs .

HP 435B Specifications

General

Brand	HP
Model	435B
Category	Measuring Instruments
Language	English