ALC and Out Atten Adjustment

This adjustment applies to the following models:

The output section of the DUT includes four electronic attenuators. The purpose of this adjustment is to measure the actual attenuation provided by the combination of these four attenuators at each step in the predefined sequence of settings.

Required Test Equipment

Test Equipment

Recommended Models1

Spectrum analyzer

N9030A Option 5xx2

Power meter

N1914A

Power sensor

E9304A H20

Power splitter, 3.5 mm (f)

11667B

Attenuator, 6 dB Fixed

8493C Opt. 006

Precision 10 MHz reference

Microsemi 5071A

50 W terminator

  • For M9380A, M9381A
  • 3 required

909D

Adapter, Type-N (f) to 3.5 mm (m)

1250-1750

Adapter, 3.5 mm (f) to 2.4 mm (f)

11901B

Cable, 3.5 mm (m) to 3.5 mm (m)

  • 2 required; 24-in

11500E

Cable, BNC (m) to SMB (f)

8121-2063

Cable, 3.5 mm (m) to 3.5 mm (m)

  • 48-in

8121-1221

100 MHz reference

M9300A
  1. Refer to the main Required Equipment table for a list of alternative models.

  2. Select any frequency option (503, 508, 526, 543, 544, 550)) that has a maximum frequency greater than or equal to the maximum frequency of the unit under test.

Connections and Setup Procedures

Setup for Power Meter Calibration

Setup for ALC and Out Atten Adjustment (M9380A, M9381A)

 

Setup for ALC and Out Atten Adjustment (M9389A)