Agilent Technologies 83620A User Manual

2.
On
the
sp
ectrum
analyzer,
set:
Frequency:
Same
frequency
as
the
synthesizer
Span: 1
MHz
Reference
Level:
15
dBm
Scale
Log:
5
dB/Division
Bandwidth Resolution:
10 kHz
Video
Bandwidth:
30
kHz
3.
Measure
the
syn
thesizer
RF
output
amplitude
with
the
sp
ectrum
analyzer
mark
er.
4.
Set
the
sp
ectrum
analyzer
to
the
harmonic or
subharmonic
frequency
to
be
measured. Measure
the signal
level
with
the
sp
ectrum
analyzer
mark
er.
Change
the
reference
lev
el
as
necessary
.
5.
Calculate
the
harmonic/subharmonic
lev
el,
where
the
harmonic/subharmonic is
less than
the
carrier,
as
follo
ws:
Harmonic/Subharmonic amplitude
(dBc)
=
0
[Syn
thesizer
RF
output
amplitude
(dBm)
0
(Harmonic/Subharmonic
amplitude
(dBm))]
F
or
example:
RF
Output
=
+10
dBm
Harmonic
=
0 60
dBm
Harmonic
(dBc)
=
[RF
Out
0
(Harmonic)]
=
0
[10
0
(
0
60
dBm)]
= 0
[10 +
60
dBm]
=
0
70
dBc
Harmonic/Subharmonic V
erification
Procedure
>
20
GHz
Note
F
or
accurate
measuremen
ts,
the
syn
thesizer m
ust meet
its
p
o
wer
atness
sp
ecication.
1. Note the syn
thesizer CW frequency that produces the susp
ect
harmonic/subharmonic.
2. Set the syn
thesizer to the same RF output frequency as the
harmonic/subharmonic to be measured.
2-48 Performance Tests
Spurious Signals (Harmonics Subharmonics)
HP 8360
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Agilent Technologies 83620A Specifications

General

Brand	Agilent Technologies
Model	83620A
Category	Blower
Language	English