Source Impulse Response Unbal (Channel Quality)
is the impulse response of the stimulus source that is due to IQ impairments. The Stimulus Source traces are good for troubleshooting (if your DUT Device under Test: An acronym used to describe some type of electrical apparatus connected to test instrumentation. The apparatus can range from a single component to a complex subsystem such as a mobile phone, base station or MSC. response traces look bad, check the Stimulus Source traces to see if the stimulus looks as expected).
The non-averaged unbalanced stimulus source impulse response is shown in the Inst Source Impulse Response Unbal trace.
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