Agilent Technologies 83640B Service Guide

14.
On
the
sp
ectrum
analyzer,
select
the
external
mixer
for the
20 to
26.5 GHz
frequency
range
and set
the reference
level
oset to
compensate
for the
mixer's con
v
ersion
loss
at
23
GHz.
15.
On
the
syn
thesizer,
press:
4
CW
5
4
23
5
4
GHz
5
16. Set
the
micro
w
a
v
e
amplier
output
p
o
w
er
lev
el
to
+16
dBm.
17.
On
the
sp
ectrum
analyzer,
set:
Center
Frequency:
23
GHz
Frequency Span:
1 MHz
Adjust
the reference
lev
el
to
p
osition
the
signal
p
eak
at
the
top
reference
graticule.
Use
this
reference
lev
el
for
all
harmonic
measuremen
ts.
18.
On
the
sp
ectrum analyzer,
set:
Start
Frequency:
20
GHz
Stop Frequency:
26.5
GHz
19.
Manually
sw
eep
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
20
to 26.5
GHz frequency
range.
The
signals
most
lik
ely
to
app
ear
are
the
fth
and
sixth
YO
harmonics.
20.
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
20
to
26.5
GHz.
21.
F
or
the 83630B
/L
only:
Record,
on
the
test
record,
the
w
orst
case
subharmonic
from
>
20
to

26.5
GHz.
F
or
the
83630B
/L,
83640B
/L, and
83650B/L
only: F
rom steps
12
and
20,
determine
the
w
orst
case
harmonic
from

2.0
to

26.5
GHz
and
record
this v
alue on
the test
record.
T
able
2-11.
Corresponding
YO
Frequency
Ranges
and
RF
Output
Frequencies
Mo
del
YO
F
requencies
(GHz)
YO
Harmonic
F
rom
Amp/Mult
YO
Harmonic
at
RF
Output
RF
Output
F
requencies
(GHz)
83630B/L and
83650B/L
5.0 to 6.625 4 4 20 to 26.5
83650B/L 4.41667 to 5.5667 3 6 26.5 to 33.4
83650B/L 5.5667 to 6.333 3 6 33.4 to 38
83650B/L 4.75 to 6.25 4 8 38 to 50
83640B/L 5.0 to 6.375 2 4 20 to 25.5
83640B/L 4.25 to 5.0 3 6 25.5 to 30
83640B/L 5.0 to 6.667 3 6 30 to 40
2-36 Performance Tests
Spurious Signals (Harmonics Subharmonics)
Agilent 8360

Agilent Technologies 83640B Specifications

General

Brand	Agilent Technologies
Model	83640B
Category	Portable Generator
Language	English