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A 2.4 GHz CMOS power amplifier using internal frequency doubling

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3 Author(s)
Cijvat, E. ; Dept. of Electroscience, Lund Univ., Sweden ; Troedsson, N. ; Sjoland, H.

A fully integrated 0.18 μm 1P6M CMOS power amplifier using internal frequency doubling is presented. Two chips were measured, one stand-alone PA and one PA with a VCO on the same chip. Since the PA and VCO operate at different frequencies, this configuration is suitable for direct-upconversion or low-IF upconversion since oscillator pulling is reduced. The maximum output power is 15 dBm, and the maximum drain efficiency is 10.7% at an output operating frequency of 2.4 GHz.

Published in:

Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on

Date of Conference:

23-26 May 2005

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