Agilent Technologies 83640B Service Guide

33.
On
the
sp
ectrum
analyzer,
set:
Center
Frequency:
40
GHz
Frequency Span:
1 MHz
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.
Manually
sweep
the
syn
thesizer
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.
F
or
the 83650B
/L only:
F
rom
steps
28
and
36,
determine
the
w
orst
case
harmonic
from

26.5
to

50
GHz
and
record
this
v
alue
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.
2-38 Performance Tests
Spurious Signals (Harmonics Subharmonics)
Agilent 8360

Agilent Technologies 83640B Specifications

General

Brand	Agilent Technologies
Model	83640B
Category	Portable Generator
Language	English