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j
u
st
m
e
n
ts
M
o
d
el 435 Β
5-6 .
P
O
WER REFEREN
C
E
OSCI
LL
ATO
R LEVEL
AD
JU
ST
MEN
T (Cont'd)
5-4
AD
JU
ST
MEN
TS
6.
Fin
e z e
r
o t
h
e 432Α on t
h
e most se
n
s
i
t
iv
e
r
a
n
ge, t
h
e
n
set t
h
e 432 Α
RA
NG
E swi
tc
h
to 1
mW.
ΝΟΤΕ
Ensure that t he
D
VM input
l
ea d s are
i
solate d
f
rom ch ass i s
gr o und
w
h e n p er fo rming the
n
ex t step.
7.
Set up t
h
e
DVM
to meas
ur
e
mi
c
r
o
v
o
l
ts a
n
d co
nn
ect t
h
e pos
i
t
iv
e a
nd n
egat
iv
e
inpu
t
l
ea
d
s, r es
p
ect
iv
e
ly
, to t
h
e
V
C οηπ Ρ
a
nd V
RF
co
nn
ecto
r
s on t
h
e
r
ea
r p
a
n
e
l ofth
e
432 Α.
8.
O
b
se
rv
e t
h
e
indi
cat
i
o
n
on t
h
e
DVM. If l
ess t
h
a
n
400
mi
c
r
o
v
o
l
ts,
pr
ocee
d
to t
h
e
ne
x
t ste
p
.
If
400
mi
c
r
o
v
o
l
ts o
r
g
r
eate
r
,
pr
ess a
nd h
o
ld th
e 432Α
FINE ZER
O
s
wi
tc
h and ad
j
u
st t
h
e CO
AR
S
E ZER
O co
n
t
r
o
l
so t
h
at t
h
e
DVM indi
cates 200
mi
c
r
o
v
o
l
ts o
r l
ess .
Th
e
n r
e
l
ease t
h
e
FINE ZER
O sw
i
tc
h and pr
ocee
d
to t
h
e ne
x
t
ste p .
9 .
R
o und
o
ff t he DVM indi cati on to t h e
n
ear est micr ov o lt and reco rd this
v
a lu e as
VO .
10.
Di
sco
nn
ect t
h
e
DVM n
egat
iv
e
inpu
t
l
ea
d fr
o
m th
e
V
RF co
nn
ecto
r
on the 432A and
r
eco
nn
ect
i
t to c
h
ass
i
s g
r
o
und.
11. Set t
h
e
P
o
w
e
r M
ete
r P
O
W
ER REF
sw
i
tc
h
to ON
and r
eco
rd t h
e
indi
cat
i
o
n
ob
se
rv
e
d
on t
h
e
DVM
as
V
comp.
12.
Di
sco
nn
ect t
h
e
DVM n
egat
iv
e
inpu
t
l
ea
d
fro
m ch
ass
i
s g
r
o
und a nd r
eco
nn
ect
i
t to
t
h
e
VRF
co
nn
ecto
r
on t
h
e rea
r p
a
n
e
l
o
fth
e 432 Α .
Th
e
DVM i
s now set up to m eas
ur
e
V
1
whi
c
h r
e
pr
ese
n
ts t
h
e p owe
r r
e
f
e
r
e
n
ce osc
ill
ato
r
o
u
t
pu
t
l
e
v
e
l.
13. Ca
l
c
ul
ate t
h
e
v
a
lu
e o
f V
1 e
qu
a
l
to 1
milliw
att
fr
o
m
t
h
e
f
o
ll
o
win
g e
qu
at
i
o
n:
V1 - Vο = VCO
n
np -
(
V
CO
M
p) 2 - (10 -3) (4
R
)
(EFFE
C
TIVE EFFI
C
IEN
CY)
Wh
e
r
e :
V
o =
pr
e
vi
o
u
s
ly r
eco
rd
e
d v
a
lu
e
Vco
m
p = pre
vi
o
u
s
ly r
eco
rd
e
d v
a
lu
e
10 -3 = 1
milliw
att
R
=
pr
e
vi
o
u
s
ly r
eco
r
de
d v
a
lu
e
EFFE
C
TIVE EFFI
C
IEN
C
Y = v
a
lu
e
f
o
r th
e
rmi
sto
r m
o
un
t at 50
MHz
(t
r
acea
bl
eto
t
h
e
N
at
i
o
n
a
l Bur
ea
u of
Sta
nd
a
rds) .
14.
R
e
m
o
v
e t
h
e
P
o
w
e
r M
ete
r
to
p
co
v
e
r and ad
j
u
st
LEVEL ADJ p
ote
n
t
i
o
m
ete
r A
3
R
4
so t
h
at t
h
e
DVM indi
cates t
h
e ca
l
c
ul
ate
d v
a
lu
e o
f V
i .
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