
6-17
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 cha nnel noise floor levels.
Required
Equipment
Attenuator, 20 dB . . . . . . . . . . . . . . . . . . . . . . . . . . . Agilent 8491A Option 020
Termination (2), 50Ω . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Agilent 908A
Cable, 50Ω, Type-N, 24 inch. . . . . . . . . . . . . . . . . . . . . . . . . . . Agilent 11851B
Procedure
1Connect the equipment as shown in Figure 6-8.
Figure6-8. Receiver Channel Noise Floor Level Test Setup
2Press 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)
3Press MEAS, INPUT PORTS, A, FORMAT, LIN MAG, SCALE REF, AUTO SCALE.
4Press MARKER FCTN, MARKER MODE MENU, STATS ON, MENU, TRIGGER MENU, SINGLE.