Agilent Technologies 83620A User Manual

7.
External
Lev
eling
Description
and Procedure
The syn
thesizer is
set
up
to
externally
lev
el
using
a
negativ
e
crystal
detector.
A
D
VM
measures
the
crystal
detector
DC
output.
A
1000
pf
capacitor across
the
D
VM
input limits
the eect
of an
ysmall
signals
generated
b
y
the
D
VM.
The syn
thesizer
p
o
w
er
lev
el
is
set
to
the
minim
um
allo
w
able
limit
and
then
is
increased
un
til
the
p
o
w
er
output
is
lev
eled.
The external
leveling
voltage
is
then
measured
and
compared
to
the
minim
um
sp
ecication.
Next, the
output
p
o
w
er
is increased
until
the maxim
um lev
eled
p
o
w
er
is
reac
hed.
The
lev
eling
v
oltage
is
measured
and
compared
to
the
sp
ecication.
Note
The
syn
thesizer
m
ust
meet the
po
w
er
atness
sp
ecication
b
efore
pro
ceeding
with
this
test.
1.
Preset
all
instrumen
ts sho
wn
in
Figure
2-8
and
let
them
w
arm
up
for
at
least
one
hour.
Figure 2-8. External Lev
eling T
est Setup
Equipment
Digital V
oltmeter HP 3456A
Crystal Detector
HP 33330E (HP 83640A/50A)
Crystal Detector
HP 33330D (HP 83620A/22A/23A/24A/30A)
Capacitor 1000 pf
HP P/N 0160-4574
HP 8360 Performance Tests
External Leveling
2-37
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Agilent Technologies 83620A Specifications

General

Brand	Agilent Technologies
Model	83620A
Category	Blower
Language	English