Method of and an arrangement for characterizing non-linear...

Data processing: measuring – calibrating – or testing – Measurement system – Performance or efficiency evaluation

Reexamination Certificate

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C324S076420

Reexamination Certificate

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06839657

ABSTRACT:
A method of and an arrangement for characterizing non-linear behavior of RF and microwave devices under test in a near matched environment. The method comprises the steps of exciting the device by an RF signal under different load conditions, measuring signal data at input and output ports of the device, verifying whether the measurement data meet predetermined quality criteria; calculating, from the measurement data, model parameters of a predetermined model for characterizing the non-linear behavior of the device, and verifying assumptions made in the characterization model by collecting additional measurement data and comparing same with data calculated from the model using the model parameters calculated. The load conditions are obtained by connecting to the output port of the device a matched load, an open, a short and a plurality of attenuators and delays.

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