Agilent Technologies HP 8566B Spécifications Page 83

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Vue de la page 82
14.
Average
Noise
Level
Test
Related
Adjustment
Specification
Description
Equipment
Procedure
Last Converter Adjustments
Displayed average noise level (0
dB
input attenuation, 10 Hz
resolution bandwidth):
Non-Preselected
c-95
dBm,
100 Hz to 50
kHz
c-112
dBm,
50
kHz
to 1 MHz
c-134
dBm,
1 MHz to 2.5
GHz
Preselected
c-132
dBm,
2.0
GHz
to 5.8
GHz
c-125
dBm,
5.8
GHz
to 12.5
GHz
c-119
dBm,
12.5
GHz
to 18.6
GHz
c-114
dBm,
18.6
GHz
to 22
GHz
The displayed average noise level is measured in a 10 Hz bandwidth at
various frequencies with no signal applied to the analyzer input.
50 Ohm Coaxial Termination . . . . . . . . . . . . . . . HP
909A,
Option 012
1.
Press
C-1.
2. Connect CAL OUTPUT to RF INPUT.
3. Press
LRECALL)
@. Adjust AMPTD CAL for a MARKER amplitude
of -10.00
dBm
f0.02
dB.
4. Disconnect CAL OUTPUT. Terminate RF INPUT with a 50 ohm
coaxial termination.
5. Press
@YYZZ].
Key in settings as follows:
START
FREQ]
[&Ti?Ei,
..............................................
..8 0 Hz
................................................
180 Hz
REFERENCE LEVEL]
[m,
.......................................
-70
dBm
0
dB
VIDEO BW
......................................................
.................................................
Hz
6.
Press (SHIFT)
(VIDEO)
G.
Wait about 2 minutes for the VID AVG
readout to reach 10 sweeps or more, then press [SHIFT), TRACE B
@iiimJ
7. Press MARKER
(NORMAL).
Tune to 100 Hz, or the nearest
frequency that is not on the slope of the LO feedthrough or on a
line-related sideband (e.g., 120 Hz). Refer to Figure 2-26.
2-58 Performance Tests
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