Agilent Technologies 83640B Service Guide

16.
AM Accuracy
(F
or
B-Series
Only)
Description
and
Procedure
This
pro
cedure
measures
the
AM
accuracy
of
the
syn
thesizer.
The
lo
cal
oscillator and
mixer
are
used
to
do
wncon
vert
the syn
thesizer frequency
to the
frequency
range
of
the
measuring
receiver
(an HP/Agilen
t
11793A
Micro
w
a
v
e
Con
v
erter
can
b
e
substituted
for
the
mixer).
F
or
measuremen
ts
ab
o
v
e
20
GHz
RF
output
frequency,
asp
ectrum analyzer
with external
mixer
are
used
to do
wnconv
ert to
a 321.4
MHz
RF.
The
function
generator
pro
vides
AM
mo dulation.
The
function
generator
signal
lev
el
is
adjusted
for
30%
AM
as
measured
b
y
the
measuring
receiv
er.
The
function
generator
signal
lev
el
is
c
hec
ked
for accuracy
.A
D
VM
ma
y
b
e
necessary
to measure
the function
generator output.
1.
T
urn
on
the
equipmen
t
sho
wn
in
Figure
2-23
.
Preset
the
instrumen
ts
and
let
them w
arm
up
for
at
least
one
hour.
2.
On
the
measuring
receiv
er,
calibrate
and
store the
AM
calibration
factor.
Lo
w Band
< 2
GHz
Disr
egar
dif
beyond
your
synthesizer's
c
ap
ability.
3.
Connect
the
equipmen
t
as
sho
wn
in Figure
2-23.
Figure 2-23. AM Accuracy Test Setup LowBand
2-78 Performance Tests
AM Accuracy
Agilent 8360

Agilent Technologies 83640B Specifications

General

Brand	Agilent Technologies
Model	83640B
Category	Portable Generator
Language	English