Stability Test of Near-Magnet Power Amplifier
Kabir Hasanzadeh 1 , Klaus Solbach 1 , and Samaneh Shooshtary 1
RF Engineering, University Duisburg-Essen,
Duisburg, NRW, Germany
In this work a method to test the Stability of
Near-Magnet Power Amplifier (DUT) is explained and the
test results are presented. The method includes a bench
stability test which employs an electronic circuit
designed to realize reflection coefficients with
variable magnitude and phase, which is implemented using
the concept of the laod-pull. The mutual effect between
the antennas around the coil have also been tested to
confirm the stability of the DUT in such situations.
Results show that although the DUT is stable for all the
situations, but the output power is depended on the
variation of the load.
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