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A Review on RF Analog Down Conversion Mixer

Shiven Pandya, Amit Kumar

Abstract


In today’s era requirement of RF communication systems is increasing extensively, so low power and high performance circuits are demanded. CMOS is the most promising technology for system integration due to its higher packaging density. Mixer performance decides the performance of whole transceiver.  To reduce the problem of congestion and noise of the protocols (Bluetooth, IEEE 802.11b etc) sharing the same ISM Band (2.4 GHz), high gain and linear performance circuits are required. In this paper we study the understanding of basic RF mixer with some techniques which can help to improve and optimize the design with high linearity and moderate gain.

Keywords


Conversion Gain, Gilbert Cell, Linearity, Mixer, RF CMOS.

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References


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