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Performance Tests – Option 011
6. Receiver Channel Noise Floor Level (Only for Analyzers with Option 006)
6. Receiver Channel Noise Floor Level (Only for
Analyzers with Option 006)
Perform this test to determine the analyzer receiver channel noise floor levels.
Required
Equipment
Attenuator, 20 dB . . . . . . . . . . . . . . . . . . . . . . . . . . .Agilent 8491A Option 020
Termination (2), 50
Ω
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Agilent 908A
Cable, 50
Ω
, Type-N, 24 inch. . . . . . . . . . . . . . . . . . . . . . . . . . . Agilent 11851B
Procedure
1
Connect the equipment as shown in Figure 6-8.
Figure 6-8. Receiver Channel Noise Floor Level Test Setup
2
Press
PRESET
,
START
,
50
,
k/m
,
STOP
,
3
,
G/n
,
MENU
,
POWER
,
–10
,
x1
.
Receiver Channel A Noise Floor Level with a 3 kHz IF BW
(50 kHz–3 GHz)
3
Press
MEAS
,
INPUT PORTS
,
A
,
FORMAT
,
LIN MAG
,
SCALE REF
,
AUTO SCALE
.
4
Press
MARKER FCTN
,
MARKER MODE MENU
,
STATS ON
,
MENU
,
TRIGGER MENU
,
SINGLE
.