HP 435B Service Manual

M o
de
l
435
Β

O p e r at i o n
P ower Se n sor

R AN
G
E
Switch
P ositio n
8481 Α , 8482 Α , 8481 Η , 8482 Η
8485 Α (HP 1250-1250 Ad a p te r r e quir e d)
O PER ATI N G I N ST RU CTIONS
8481 Β a nd 8482 Β ( r e m ove atte nu ato r )

Ι

.

1
W
8483 Α (HP 1250-0597 M ec h a ni ca l Ad a p te
r r
e quir e d)
8484 Α (HP 11708 Α R e f e r e n ce Atte nu ato r r e quir e d)
9 .

Di
sco
nn
ect t
h
e p
owe r
se
n so r fro m t he P O W ER REF O UTPUT an d set the POWER REF s wi tc h to
O FF .
10 . L ocate t he ca libr at i o n c urve
on
t h e p owe r senso r cove r . Find t he C AL FA C T O R f o r t he m eas ur e-
m e n t fr e qu ency ; set t h e C AL FA C T O R sw i tc h acco rdin g ly .
11 . Set t h e RAN G E s wi tc h s uch t h at full sca l e i s g r eate r t h a n t he p owe r l eve l to be m eas ur ed .
CA U TIO N
ΝΟΤΕ
F ig u re 3-4 . O p e r ating Instr u ctions (2 of 2)
See Ope r ati n g Pr eca u t i on s in t h ep owe rse n sor O p e r at-
in g a nd Se rvi ce M a nu a l s fo r m ax imum p owe r levels
w hic h m a y be safe ly couple d to t his s y ste m . Levels
w hic h e x cee d t h elimi ts m ayd a m age t h e p owe rse n sor ,
P owe r M ete r , or bot h .
W h e n t h e battery i s be in g use d as t h e p owe r s upply fo r
t h e P owe r M eter , an a u to m at i c test c ir c ui t co n t inu a lly
m oni to r s battery co ndi t i o n . W h e n t h ebattery v o l tage i s
above α pr e d ete rmin e d l eve l , t h e m ete r indi cates t h e
co rr ect p owe r l e v e l . W h e n t h e vo l tage dr o p s be l ow t h e
t h res h o ld l eve l, t h e m ete rr ea din g i s f ull d ow n sca l e .
12 . Co nn ect t h e p owe r sen so r to the RF sour ce . R ea d t he p o w e r l eve l in dBm o r W atts on the pa ne l
m ete r .
3-9

HP 435B Specifications

General

Brand	HP
Model	435B
Category	Measuring Instruments
Language	English