Agilent Technologies 83640B

12.
Pulse Modulation
On/Off Ratio
(F
or
B-Series
Only)
Description
and
Procedure
Using
a
sp
ectrum
analyzer,
the
syn
thesizer's
CW
RF
output
p
o
w
er is
measured b
oth with
pulse
on
and
with
pulse
o. The
dierence in
po
wer
is
the
pulse
on/o
ratio.
1. Connect
the equipmen
t
as
sho
wn
in
Figure
2-14
.
Preset
all
instrumen
ts
and
let
them
w
arm
up
for
at
least
one
hour.
On
the
HP/Agilen
t
8556B,
connect
the
CAL
OUTPUT
to
the
RF INPUT.
Press 4
SHIFT
5
4
W
5
to
calibrate
the
spectrum
analyzer.
Figure
2-14.
Pulse
Modulation
On/Off
Ratio
T
est
Setup
Equipment
Sp
ectrum
Analyzer
HP/Agilen
t
8566B
2-52 Performance Tests
Pulse Modulation On/Off Ratio
Agilent 8360