Agilent Technologies HP 8566B Spécifications Page 86

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15. Residual Responses Test
15.
Residual
Responses
‘Ikst
Specification
Description
Equipment
Procedure
c-100
dBm,
100 Hz to 5.8
GHz
c-95
dBm,
5.8
GHz
to 12.5
GHz
c-85
dBm,
12.5
GHz
to 18.6
GHz
c-80
dBm,
18.6
GHz
to 22
GHz
The spectrum analyzer is tested for residual responses across its
frequency range with no signal applied and 0
dB
input attenuation.
50 Ohm Coaxial Termination . . . . . . . . . . . . . . . . . . HP 909A, Option 012
1.
2.
3.
Press
1-j.
Connect CAL OUTPUT to RF INPUT. Press (RECALL)
@J.
Adjust AMPTD CAL for a MARKER amplitude of -10.00
dBm
f0.02
dB.
4.
Press
(O].
Disconnect CAL OUTPUT and terminate RF
INPUT with a 50 ohm coaxial termination.
5.
Key in the following:
6.
REFERENCE LEVEL] . . . . . . . . . . . . . . . . . . . -20
dBm
km,
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
dB
[RES-
. . . . . . . . . . . . . . . . . . . . . . . . 30
kHz
(VIDEO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
kHz
[sTop)
. . . . . . . . . . . . . . . . . . . 1.5
GHz
Press DISPLAY LINE
[ENTER]
and key in -100
dBm.
Note
There should be at least 3
dB
margin between the noise trace and
the display line so that any residual responses may be distinguished
from the noise. It may be necessary to reduce the resolution or video
bandwidths from the settings given in this procedure to achieve this
margin. If this causes the
MEAS
UNCAL message to appear, it will be
necessary to reduce the frequency span and use more sweeps to cover
the frequency range.
7. Press TRACE A (CLEAR-WRITE), SWEEP
[SINGLEj.
Wait for
completion of the sweep. (See Figure 2-27.)
Performance Tests 2-61
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