4.
Harmonic
Spurious
Outputs
9.
Set
the
HP
8566A/B
controls
as
follows:
CENTER
FREQUENCY
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300
kHz
SP
AN
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.
100
kHz
REFERENCE
LEVEL
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05
dBm
RES
BW
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30
kHz
10.
On
the
HP
8566A/B
do
the
following:
a.
Press
4
PEAK
SEARCH
5
and
4
SIGNAL
TRACK
5
(ON).
W
ait
for
the
signal
to
be
displayed
at
center
screen.
Press
4
SIGNAL
TRACK
5
(OFF).
b.
If
the
marker
frequency
is
less
than
2.5
GHz,
press
4
PEAK
SEARCH
5
4
MKR
!
CF
STEP
5
4
MARKER
DEL
T
A
5 .
c.
If
the
marker
frequency
is
greater
than
2.5
GHz,
press
4
PEAK
SEARCH
5
4
PRESEL
PEAK
5 .
W
ait
for
the
PEAKING!
message
to
disappear
.
Then
press
4
MKR
!
CF
STEP
5
4
MARKER
DEL
T
A
5 .
d.
Press
4
CENTER
FREQUENCY
5
4
*
5
to
tune
to
the
second
harmonic
.
Press
4
PEAK
SEARCH
5 .
If
the
center
frequency
value
is
greater
than
2.5
GHz,
press
4
PRESEL
PEAK
5
and
wait
for
the
PEAKING!
message
to
disappear
.
Record
the
marker
amplitude
reading
in
T
able
4-5
as
the
2nd
harmonic
level
for
the
300
kHz
tracking
generator
output
frequency
.
e.
If
the
tracking
generator
output
frequency
is
less
than
1
GHz,
press
4
CENTER
FREQUENCY
5
4
*
5
on
the
HP
8566A/B
to
tune
to
the
third
harmonic
.
Press
4
PEAK
SEARCH
5 .
If
the
center
frequency
is
greater
than
2.5
GHz,
press
4
PRESEL
PEAK
5
and
wait
for
the
PEAKING!
message
to
disappear
.
Record
the
marker
amplitude
reading
in
T
able
4-5
as
the
3rd
harmonic
level
for
the
300
kHz
tracking
generator
output
frequency
.
f.
On
the
HP
8566A/B
,
press
MARKER
4
OFF
5 .
11.
Repeat
steps
9
and
10
for
the
remaining
tracking
generator
output
frequencies
listed
in
T
able
4-5 .
Note
that
the
host
spectrum
analyzer's
center
frequency
is
the
same
as
the
tracking
generator
output
frequency
.
12.
Locate
the
most
positive
2nd
harmonic
level
in
T
able
4-5
and
record
the
value
below
.
2nd
harmonic
level
dBc
13.
Locate
the
most
positive
3rd
harmonic
level
in
T
able
4-5
and
record
the
value
below
.
3rd
harmonic
level
dBc
T
able
4-5.
Harmonic
Spurious
Outputs
Tracking
Generator
Frequency
2nd
Harmonic
Level
(dBc)
3rd
Harmonic
Level
(dBc)
Measurement
Uncertainty
(dB)
300
kHz
+1.55/01.80
100
MHz
+1.55/01.80
300
MHz
+1.55/01.80
900
MHz
+1.55/01.80
1.4
GHz
N/A
+3.45/04.01
4-18
P
erformance
T
ests
HP
85640A
RF
T
racking
Generator
Operation
and
Service
Manual
Содержание 85640A
Страница 2: ...HP 85640A RF Tracking Generator Operation and Service Manual ABCDE Printed in USA ...
Страница 111: ......
Страница 169: ......
