Agilent Technologies 83620A User Manual

Adjustment Help
The
following
explanations
are
pro
vided
for
a
b
etter
understanding
of
the
amplier/m
ultiplier
adjustmen
ts.
Refer
to
these
explanations
as
often
as
necessary
.
They will
help mak
e these
adjustments
easier.
(The
adjustmen
t
pro
cedure
follo
ws.)
Offset
and
Gain
Adjustments.
F
or
all
oset
and
gain
adjustmen
ts,
adjust
thr
ough the
bandpass. Keep
adjusting
until
the p
ow
er
p
eaks
and
then
drops
o.
Then
reset
the
adjustmen
t
to
the
p
eak
ed
p
oin
t.
F
or
all
oset
and
gain
adjustmen
ts,
if
p
o
w
er
sta
ys
peak
ed
o
v
er
sev
eral
calibration
constan
t
v
alues,
set
the
calibration
constan
t
to
the
middle
v
alue
of the
peak
ed
range.
Adjusting to
the
Center
of
the
P
assband.
The
amplier/m
ultiplier
has
a
tracking
lter on
its
output.
Its
purp
ose
is
to
pass
the
selected
RF
output
frequency
and
reject
harmonics.
The
ob
jectiv
e
of
this
pro
cedure
is
to
trac
k
the
bandpass
lter
with
the
RF
output
frequency
o
v
er a
v
ariet
y
of
sw
eep
conditions
and
frequency
ranges.
Eects
of
the
auxiliary
output ma
y
mask
the
true
cen
ter
of
the
bandpass.
Alw
a
ys
tune
to
the
lo
w
er
p
eak
(lo
w
er calibration
constant
v
alue).
SRD
Bias
Adjustment.
Adjust
these
calibration
constan
ts
into
sque
gging
and
then
bac
k
o
un
til
peak
po
w
er
is
ac
hiev
ed.
After
reac
hing
peak
po
wer,
decrease the
calibration
constan
t
v
alue
b
y
15
coun
ts
when
adjusting
the
A
term
and
decrease
po
wer
by
1/2 dB
(appro
ximately
1/3
division)
when
adjusting
the
B
term.
Single
Band Dela
y
Compensation
Adjustments.
If a drop in p o
wer greater than 1 division o ccurs when in single sw
eep,
increase the A dela
y term to put
the A term at the high end of the p eak. F
or
example, for the follo
wing calibration constan
tv
alues:
Start of the p eak = 1800
Middle of the p eak = 1950
End of the p eak = 2100
Set the A term to 2050
3-32 Adjustments
Amplifier/Multiplier Adjustments
HP 8360
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Agilent Technologies 83620A Specifications

General

Brand	Agilent Technologies
Model	83620A
Category	Blower
Language	English