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IEEE Microwave and Guided Wave Letters
Volume 10 Number 6, June 2000

An Optimized 25.5-76.5 GHz PHEMT-Based Coplanar Frequency Tripler

Page 242.

Abstract:

This letter presents an optimized single-stage MMIC tripler with W-band output frequency (76.5 GHz). The circuit is based on an 0.15 µm gate-length AlGaAs/InGaAs/GaAs PHEMT. By using a class AB transistor bias point and carefully selecting its input and output terminations, a high conversion gain of - 4.3 dB for an 8.5 dBm input signal and a saturated output power of 7 dBm have been obtained. To our knowledge, these results represent the best performance reported up to date for an active frequency tripler with W-band output frequency.

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