Agilent Technologies 83620A - Page 295

Single Band
Dela
y
Compensation
Adjustments.
If
a
drop
in
p
o
w
er
greater
than
1.5
dB
occurs
when in
single sw
eep, increase
the
A
dela
y term
to put
the A
term at
the
high
end
of
the
p
eak.
For
example,
for
the
follo
wing
calibration
constan
t
v
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
See
Figure
3-16
for
a
graphic
represen
tation of
the
frequencies
aected
b
y
the
calibration constan
ts.
Setting the
Fastest
Sw
eep
Time.
Setting
the
sw
eep
time
to
0
milliseconds sets
the syn
thesizer
to
the
fastest
sw
eep
time
for
the
frequency
range
b
eing
sw
ept.
Eac
h
time
the frequency
range
is
c
hanged,
the
sw
eep
time
m
ust
b
e
reset
to
0
ms
in
order
to
main
tain
the
fastest
sw
eep
time.
Sw
eep
Speed
Related Adjustments.
Dela
y
compensation
and risetime
adjustmen
ts
are
aected
b
y
sw
eep
sp
eed.
The
adjustmen
ts
are
p
erformed
at
fast
sw
eep sp
eeds whic
h
are
the
w
orst
case.
All
other
adjustmen
ts
are
p
erformed
at
slo
w
sw
eep
sp
eeds;
they
are not
aected b
ysw
eep
sp
eed.
If y
ou ha
v
e
a
sw
eep
sp
eed
problem,
it
is
probably
aected
b
y
dela
y
comp
ensation
or
risetime adjustmen
ts.
YTF
Bandcross
Dela
yT
erms.
The
YTF
Bx
Dly
terms
are
either oset
or gain
terms. A1
denotes the
oset
term
for band
1.
B1
denotes
the
gain
term
for
band
1.
The
oset (A)
should
be adjusted to maximize p o
wer at the b eginning of the band. The
gain (B) is
adjusted to maximize p o
wer
toward the end of the band.
See Figure 3-16 and
Figure 3-17 for a graphic represen
tation of the frequencies
aected b
y the calibration constan
ts.
HP 8360 Adjustments
Amplifier/Filter Adjustments
3-51
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