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2010•Unpublished venueRequires access

A 2.4GHz front-end with on-chip balun in a 0.13um CMOS technology

Peng Miao, Min Lin, Tuo Wu, Yin Shi, Fa Foster Dai

Open publisher page 3 citations

Abstract

A 2.4GHz receiver front-end with on-chip balun implemented with 0.13um CMOS technology is presented in this paper. Based on direct-conversion architecture, the front-end comprises a two-stage LNA (low noise amplifier) with optimized on-chip transformer and quadrature passive mixer. The gm-boosting technique is employed in 1ststage of LNA to achieve low noise and low current simultaneously. In 2ndstage of LNA, gm" compensation is used for linearity improvement. The front-end draws 26.6mA from 1.2V and simulation result shows a DSB NF of 3.5dB with 52 dB conversion gain.

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What this paper is about

A 2.4GHz receiver front-end with on-chip balun implemented with 0.13um CMOS technology is presented in this paper. Based on direct-conversion architecture, the front-end comprises a two-stage LNA (low noise amplifier) with optimized on-chip transformer and quadrature passive mixer. The gm-boosting technique is employed in 1ststage of LNA to achieve low noise and low current simultaneously. In 2ndstage of LNA, gm" compensation is used for linearity improvement. The front-end draws 26.6mA from 1.2V and simulation result shows a DSB NF of 3.5dB with 52 dB conversion gain.

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Available abstract

A 2.4GHz receiver front-end with on-chip balun implemented with 0.13um CMOS technology is presented in this paper. Based on direct-conversion architecture, the front-end comprises a two-stage LNA (low noise amplifier) with optimized on-chip transformer and quadrature passive mixer. The gm-boosting technique is employed in 1ststage of LNA to achieve low noise and low current simultaneously. In 2ndstage of LNA, gm" compensation is used for linearity improvement. The front-end draws 26.6mA from 1.2V and simulation result shows a DSB NF of 3.5dB with 52 dB conversion gain.

Key concepts: Balun, CMOS, Chip, Amplifier, Front and back ends, Transformer, Electrical engineering, Computer science

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