Agilent Technologies HP 8566B Spécifications Page 104

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18. Gain Compression Test
16. Set synthesizer to 3000.000 MHz. Connect cable to power sensor
and adjust output level of synthesizer for an indication of -15.00
f0.05
dB
on the power meter. Reconnect cable to the spectrum
analyzer input.
17. Key in the following settings:
[CENTER FREQUENCY)
........................................
3
GHZ
FREQUENCY SPAN)
&
..........................................
.1
MHz
........................................................
OdB
18. Press MARKER (PRESEL PEAK) and wait for PEAKING! message to
disappear from the display.
19. Press SCALE LIN pushbutton, then press
[SHIFT)
(RES)
(AUTOP.
Key in:
(REFERENCE LEVEL] ....................................... -15
dBm
FREQUENCY SPAN]
17,
............................................
.O
Hz
30 Hz
RES BW
......................................................................................................
. MHz
20. Press MARKER
INORMAL_),
Ia].
21. Connect the cable to the power sensor and adjust synthesizer
level for a power meter indication of -5.00
dBm
f0.02
dB.
Reconnect cable to spectrum analyzer input.
22. Change [REFERENCE LEVEL) to -5
dBm.
Record the MKR
Aamplitude:
dB.
23. Subtract the value recorded in step 9 from the value obtained
in step 22 to find the gain compression:
dB.
The
result should be
>-1.0
dB
(less than 1
dB
compression).
24. Press
@FZiYYJ
on the spectrum analyzer. Press
CsHlFTl
[ATTENY,
(SHIFT)
~1~~
0
dBm.
25. Set synthesizer to 9000.000 MHz. Connect cable from synthesizer
to power sensor and adjust synthesizer output level for a power
meter reading of -15.00 ho.02
dB.
Reconnect cable to spectrum
analyzer input.
26. Key in the following analyzer settings:
&ENTER FREQUENCY)
........................................
9
GHz
FREQUENCY SPAN)
;EEi-)
..........................................
.1
MHz
.......................................................
0
dB
27. Press MARKER
[PRESEL
PEAK) and wait for the PEAKING! message
to disappear from the display.
28. Press the SCALE LIN pushbutton, then press
(SHIFT)
[BW]
(AUTO). Key in the following:
PREFERENCE
LEVEL)
.......................................
-15
dBm
FREQUENCY
SPAN]
17,.
............................................
.o
Hz
...................................................
30 Hz
RES BW
.
.................................................
. MHz
29. Press MARKER
[NORMAL),
[a.
Performance Tests
2.79
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