Amplitude Linearity Performance Test

(M9393A)

This test measures the amplitude linearity of the PXIe signal analyzer. Amplitude linearity is the amplitude accuracy over a range of input signals relative to an expected input level of +5 dBm. The test technique uses the two-source frequency offset method. The two source technique is accurate over small amplitude ranges (5 to 7 dB) so the source amplitude is lowered in 5 dB increments. The linearity sections are then “stitched” together for all source amplitudes. 6 dB fixed attenuators are included in the signal path to increase the source-to-source isolation.

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Required Test Equipment

Test Equipment1

Recommended Models2

Signal generator
(2 required)

PSG models
(see equipment list)

Power divider

87302C

Fixed attenuator, 6 dB
(2 required)

8493C Option 006

Frequency reference module

M9300A
  1. Refer to the main required equipment list for a list of available adapters and cables determined by the source ETE configuration.
  2. Refer to the main required equipment list for alternative models.

Connections and Setup Procedures