Resistive GaAs HEMT mixer designs for satellite payloads

Limiti, E. ; Mastripieri, S. ; Ranieri, P. ; Suriani, A. (1998) Resistive GaAs HEMT mixer designs for satellite payloads. In: Gallium Arsenide Applications Symposium. GAAS 1998, 5-6 October 1998, Amsterdam, The Netherlands.

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Abstract

This paper focuses on design of resistive HEMT mixers suited for satellite repeaters where conversions from uplink to downlink frequencies, both higher than the LO frequency, is required with suppression of spurious mixing products and local oscillator harmonics which may fall inside or close to the transmit frequency range. Results are shown indicating clear advantages over conventional Schottky diode mixing.

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