Design of a Novel Amplifier-Based Mixer

doi:10.3969/j.cnki.jdxb.2018.02.008

Abstract

Abstract:

This paper describes a low-voltage and low-power 2.4 GHz mixer for ISM band wireless applications.The approach is based on a two stage amplifier,and the Gilbert switch stage is inserted between the two amplifier stages.The proposed amplifier-based mixer delivers a remarkable conversion gain of 13 dB with a local oscillator power of 7 dBm,while consuming only 1.05 mW DC power from a 0.8 V supply voltage.The input-referred third-order intercept point of the mixer is 3.82 dBm,and the chip area is only 0.429 mm².

Key words: CMOS, low-voltage and low-power, amplifier, mixer

LIU Jing,ZENG Fangyan,LI Yuting,ZHOU Kaiqing. Design of a Novel Amplifier-Based Mixer[J]. Journal of Jishou University（Natural Sciences Edition), DOI: 10.3969/j.cnki.jdxb.2018.02.008.

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