Agilent Technologies 83640B Service Guide

10. Lo
cate the
spur corresp
onding to
the sp
ectrum analyzer
frequency (see
T
able
2-12
)
and
use
the mark
er to
measure
its
amplitude.
If
the
spur
is
in
the
noise
lev
el, use
the noise
lev
el
amplitude
(this
giv
es
a
worst
case v
alue).
dBm
Spur
Absolute
Amplitude
11.
Calculate the
spur lev
el in
dBc as
follows:
Carrier Amplitude
(dBm) 0
Spur Absolute
Amplitude (dBm)
=
Spur
Lev
el
(dBc)
Record
the result
on the
test record.
Compare
the
result
to
the
sp
ecication.
12.
Rep
eat
steps
9
through
11
for
eac
h
of
the
spurs
and
sp
ectrum analyzer
frequencies in
T
able
2-12
.
Lo
w
Band
Offset
Spurious
Signals
Disr
e
gar
d
if
b
eyond
your
synthesizer's
c
apability.
13.
On the
synthesizer,
press:
4
CW
5
4
1
5
4
GHz
5
4
PO
WER
LEVEL
5
4
0
5
4
dBm
5
14.
On
the
sp
ectrum
analyzer,
set:
Center
Frequency:
1
GHz
Frequency Span:
500
Hz
Reference
Level:
0
dBm
Resolution
Bandwidth:
Auto
Video
Bandwidth:
Auto
Marker:
1
GHz
Video
Averaging:
Off
15.
Use
the
mark
er
to
measure
the
syn
thesizer's
RF output
amplitude
at
1
GHz.
This
is
the
carrier
amplitude
to
whic
h
the
spurs
are
referenced.
dBm
RF
output
at
1
GHz
16.
Set
the
sp
ectrum
analyzer
cen
ter
frequency
to
eac
h
of
the
frequencies
in
T
able
2-13
.
Use
the
mark
er to
measure the
spurs (c
hange the
reference
lev
el
as
necessary).
Calculate
the
spur lev
el in
dBc for
eac
h
of
the
spurs
as
follo
ws:
Spur Lev
el (dBc)
= 0
[RF Output
at
1
GHz
(dBm)
0
(Spur
Lev
el)]
Record the
spur lev
el in
dBc on
the test
record.
Compare
the
spur
lev
el
to
the
sp
ecication.
Table 2-13. Lo
w Band Spurious Signals
Spectrum Analyzer F
requency
Spur
100 MHz 100 MHz Fixed Spur
900 MHz 100 MHz Oset Spur
6.4 GHz LO Feedthrough Spur
Agilent 8360 Performance Tests
Spurious Signals (Non-Harmonic)
2-43

Agilent Technologies 83640B Specifications

General

Brand	Agilent Technologies
Model	83640B
Category	Portable Generator
Language	English