Abstract
A new large-signal equivalent circuit model of a pHEMT with and without illumination has been developed. A HEMT oscillator operating at approximately 31 GHz has been designed and tested, based on this model. The optical tuning frequency range of 31 MHz under a halogen lamp and 60MHz under a GaAs laser illumination has been observed.
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More From: IEE Proceedings - Microwaves, Antennas and Propagation
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