IP2 and DC Offset Tuning in Current Mode Output Downconversion Mixers

2006 International Conference on Microwaves, Radar & Wireless Communications（2006）

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摘要

This paper describes IP2 and DC offset tuning methods for current mode output downconversion mixers, which are suitable for low-voltage RFIC applications. A prototype of a 1.5 V double-balanced I/Q mixer for cellular applications operating in a 700 MHz - 2200 MHz, frequency range, equipped with the calibration circuits and fabricated in a 0.13 um RF CMOS technology, is presented. Experimental results confirm the effectiveness of the proposed tuning approach.

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关键词

current mode output downconversion mixers,DC offset tuning methods,low-voltage RFIC,calibration circuits,RF CMOS technology,frequency 700 MHz to 2200 MHz

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