Agilent Technologies 83620A User Manual

33.
On
the
sp
ectrum
analyzer,
set:
Center
Frequency:
40
GHz
Frequency Span:
1MHz
Adjust
the reference
level
to
p
osition
the
signal
p
eak
at
the
top
reference
graticule.
Use
this
reference
lev
el
for
all
harmonic
measuremen
ts.
34.
On
the
sp
ectrum analyzer,
set:
Start
Frequency:
38
GHz
Stop Frequency:
50
GHz
35.
Man
ually
sw
eep
the
synthesizer
across
the
frequency
range
while
c
hec
king
the sp
ectrum analyzer
displa
y
for
harmonics
and
subharmonics.
See
T
able
2-11
for the
YO frequency
ranges that
corresp ond
to
the
RF
output
frequencies.
Since
an
external
mixer
is used,
use the
sp
ectrum
analyzer
signal
iden
tify
feature
to
v
erify
that
susp
ected
signals
are
in
the
38 to
50 GHz
frequency
range.
The
signals
most
lik
ely
to
app
ear
are
the
fth
and
sixth
YO
harmonics.
36.
Compare
the
amplitude
of
the
harmonics
and
subharmonics
to the
sp
ecications
listed
in
the
test
record.
If
an
y
harmonics
or
subharmonics
are within
5
dB
of
the
sp
ecication,
mak
e
a
more
accurate
measuremen
t
using
the
\Harmonic/Subharmonic
V
erication
Pro cedure
> 20
GHz"
that
follo
ws.
Note
the
w
orst
case
harmonic
and
the
w
orst
case
subharmonic from
38
to
50
GHz.
37.
For
the HP
83650A only:
From
steps
28
and
36,
determine
the
w
orst
case
harmonic
from

26.5
to

50
GHz and
record this
value
on the
test
record.
F
rom
step
36,
determine
the
w
orst
case
subharmonic
from
>
40
and
 50
GHz and
record
this
v
alue
on
the
test
record.
Harmonic/Subharmonic
V
erification
Procedure
<
20
GHz
1. Set the syn
thesizer to the RF output frequency
that corresp onds to the
harmonic or subharmonic to b e measured.
HP 8360 Performance Tests
Spurious Signals (Harmonics Subharmonics)
2-47
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Agilent Technologies 83620A Specifications

General

Brand	Agilent Technologies
Model	83620A
Category	Blower
Language	English