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M
o
d
e
l
435 Β
P
e
rf
o
rm
a
n
ce
T
ests
PERF
O
RM
A
N
C
E
T
E
STS
4-5 .
P
O
WER REFEREN
C
E LEVEL
T
E
ST (Cont'
d
)
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
n e
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 432 Α
FINE ZER
O
s
wi
tc
h and
a
d
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,
re
l
ease t
h
e
FINE ZER
O s
wi
tc
h and pr
ocee
d
to t
h
e n e
x
t
ste
p
.
9 .
R
o
und offth
e
DVM indi
cat
i
o
n
to t
h
e nea
r
est
mi
c
r
o
v
o
l
t a
nd r
eco
rdthi
s
v
a
lu
e as
V
ο .
10. Set t
h
e
P
o
w
e
r M
ete
r P
O
WER REF swi
tc
h
to ON
(in)
a
nd r
eco
rd th
e
indi
cat
i
o
n
s
o
b
se
rv
e
d
on t
h
e
DVM
as
V
1 .
11 .
Di
sco
nn
ect t
h
e
DVM n
egat
iv
e
inpu
t
l
ea
d
fro
mth
e
V
RF co
nn
ecto
r
on the 432A and
r
eco
nn
ect
i
t to 432Α
ch
ass
i
s g
r
o
und. R
eco
rd th
e n e
w indi
cat
i
o
n
o
b
se
rv
e
d
on t
h
e
DVM
as
V
com
p
.
12. Ca
l
c
ul
ate t
h
e powe
r r
e
f
e
r
e
n
ce osc
ill
ato
r
o
u
t
pu
t
l
e
v
e
l
(Ρ RF)
fr
o
m th
e
f
o
ll
o
win
g
f
o
rmul
a:
Wh
e
r
e :
2V
co
mp
(V i - Vο ) +
V
ο 2 _μ J 2
V
1 =
pr
e
vi
o
u
s
ly r
eco
rd
e
d v
a
lu
e
V
ο =
pr
e
vi
o
u
s
ly r
eco
rd
e
d v
a
lu
e
R
=
pr
e
vi
o
u
s
ly r
eco
rd
e
d v
a
lu
e
4
R
(C
ALIB
R
ATI
O
N FA
C
T
O
R)
ΡRF = powe
r r
e
f
e
r
e
n
ce osc
ill
ato
r ou
t
pu
t
l
e
v
e
l
VcοηπΡ = pre
vi
o
u
s
ly r
eco
rd
e
d v
a
lu
e
C
ALIBRATI
O
N FA
C
T
O
R
=
v
a
lu
e
f
o
r th
e
rmi
sto
r m
o
un
t at 50
MHz
(t
r
acea
bl
e to
t
h
e
N
at
i
o
n
a
l Bur
ea
u of
Sta
nd
a
rd
s)
13.
V
e
rify th
at t
h
e ΡRF
i
s
wi
t
hin th
e
f
o
ll
ow
in
g
limi
ts :
ΜΙ η.
Act
u
al
Μαχ.
0.981 m
W
Ι
Ι
1 .019 MW
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