Displayed Average Noise Level Test

(N9912A Option 235)

This test measures the noise floor for spectrum analyzer measurements at individual CW frequencies. Spurs are ignored. Preamp is on.

Test type:

performance

Related specification:

DANL Preamp On, 20° to 30° C

Related adjustment:

none

Required Test Equipment

Test Equipment

Recommended Model
(see main equipment list for alternative models)

Signal Generator #1

E8257D with options:

  • 550
  • 1E1
  • 1EA or 1EU

  • UNR or UNX or UNY

Attenuator/Switch Driver

11713B Opt 001/024/060/101

Attenuator, 6 dB fixed

8491A Opt 006

Attenuator, 1 dB step

8494G Opt 001/024

Attenuator, 10 dB step

8496G Opt 001/024

Power Meter

N1914A

Power Sensor

E9304A Opt. H18

Power Splitter

11667A

Power Sensor Cable

11730A

BNC Cable

8120-2582

Type-N Cable

11500C

Attenuator control cable
(Qty. 2)

8120-2703

 

Connection Setups

The following notes apply to illustrations in the FieldFox Help:

  • Only a single representative model will be shown.
  • Some illustrations may differ than those in TME.

  • For procedures that apply to multiple ports, illustrations will show the setup on only one test port.

Displayed Average Noise Level Test Setup