Chapter 3 3-43
Functional Testing
Second Harmonic Spurious Responses
Second Harmonic Spurious Responses
Test Limits
Test Description
To test second harmonic distortion, a 50 MHz low pass filter is used to
filter the source output, ensuring that harmonics read by the analyzer
are internally generated and not coming from the source. The source
power and input attenuation on the analyzer are adjusted so –20 dBm
is the power level at the first mixer.
Model Number Maximum
E4401B –55 dBc
E4402B –55 dBc
E4403B –50 dBc
E4404B –55 dBc
E4405B –55 dBc
E4407B –55 dBc
E4408B –50 dBc
E4411B –55 dBc
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