Downconverter LO Nulling Adjustment

(M9393A)

The goal of this alignment is to determine the optimal LO Nulling IQ DAC settings to effectively null the LO feedthrough at low RF frequencies below 100 MHz. This reduces ADC overloads.

Required Test Equipment

Test Equipment

Recommended Models1

50 W terminator

909D

Frequency reference module

M9300A
  1. Refer to the main required equipment list for alternative models.

Connections and Setup Procedures