A wide tuning range gated varactor

Wallace Ming Yip Wong; Ping Shing Hui; Zhiheng Chen; Keqiang Shen; Jack Lau; Philip Ching Ho Chan; Ping Keung Ko

doi:10.1109/4.841506

A wide tuning range gated varactor

Wallace Ming Yip Wong, Ping Shing Hui, Zhiheng Chen, Keqiang Shen, Jack Lau, Philip Ching Ho Chan, Ping Keung Ko

Research output: Journal article publication › Journal article › Academic research › peer-review

43 Citations (Scopus)

Abstract

A wide tuning range gated varactor for radio frequency (RF) applications is described in this paper. The gated varactor is a three-terminal device. The third terminal helps achieve an improved tuning range. The measured tuning range of the varactor exceeds ±50%. The new device can be implemented with standard CMOS process without any post-processing. A 2 GHz prototype voltage-controlled oscillator (VCO) is implemented using the new varactor in a 0.35-μm CMOS process. The VCO achieved a sensitivity of 220 MHz/V.

Original language	English
Pages (from-to)	773-778
Number of pages	6
Journal	IEEE Journal of Solid-State Circuits
Volume	35
Issue number	5
DOIs	https://doi.org/10.1109/4.841506
Publication status	Published - 1 Dec 2000
Externally published	Yes

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/4.841506

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AU - Chen, Zhiheng

AU - Shen, Keqiang

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AU - Chan, Philip Ching Ho

AU - Ko, Ping Keung

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AB - A wide tuning range gated varactor for radio frequency (RF) applications is described in this paper. The gated varactor is a three-terminal device. The third terminal helps achieve an improved tuning range. The measured tuning range of the varactor exceeds ±50%. The new device can be implemented with standard CMOS process without any post-processing. A 2 GHz prototype voltage-controlled oscillator (VCO) is implemented using the new varactor in a 0.35-μm CMOS process. The VCO achieved a sensitivity of 220 MHz/V.

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A wide tuning range gated varactor

Abstract

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