Agilent Technologies 83650B Service Guide

7.
Amplifier/Multiplier Adjustments
Description
This pro
cedure maximizes
RF p
ow
er b
y
trac
king
the
tuned
lter
in
the
amplier/m
ultiplier
to
the
RF
output
frequency
.
The
amplier/lter
output
is
also
monitored.
Initial
trac
king
is
done
in
single
band
sw
eeps
at slo
wsw
eep sp
eeds to
eliminate
the
eects
of
bandcross
and
hysteresis
in the
tuning coil.
(Those
will
b
e
corrected
with
dela
y
and
risetime
calibration
constan
ts.)
A
squegging
clamp
adjustmen
t
limits
the
p
o
w
er
in
to the
amplier/multiplier
and
is
adjusted
in
the
amplier/lter adjustmen
ts for
maximum
output p
o
w
er
without
squegging. A
\squegg" is
a
distortion
in
the
RF
output
caused
b
y
to
o
m
uc
h
p
o
w
er to
the
amplier/m
ultiplier
and
c
haracterized
b
y
a
p
o
w
er
drop
out
in a
portion
of the
trace,
or
a
p
o
w
er
dropout
ov
er a
broad
frequency
range.
The
SRD
bias
adjustmen
ts
are
made
to
optimize the
eciency
of
the
frequency
m
ultiplication.
The
YTM
dela
y
comp
ensation
adjustmen
ts
maximize
p
o
w
er
for
fast
single-
and
m
ulti-band sw
eeps.
Note
If
y
ou
ha
v
e
replaced
either
the
YO,
the
YO
driv
er,
or the
m
ultiplier/lter
driv
er,
rst
initiate
an auto
tracking
(press 4
USER
CAL
5
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
Tracking
Menu
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Auto Track
.) If
auto trac
king
passes
and
the
instrumen
t
passes
the
\Maxim
um
Lev
eled
P
o
wer"
performance
test,
do
not
con
tin
ue
with
this
pro
cedure.
If
auto
trac
king fails,
(an error
message
is
displa
y
ed),
con
tin
ue
with
this
pro
cedure.
3-18 Adjustments
Amplifier/Multiplier Adjustments
Agilent 8360

Agilent Technologies 83650B Specifications

General

Brand	Agilent Technologies
Model	83650B
Category	Portable Generator
Language	English