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IMPLEMENTATION OF AN RF CMOS QUADRATURE LC VOLTAGE-CONTROLLED OSCILLATOR BASED ON THE SWITCHED TAIL TRANSISTOR TOPOLOGY

Faculty of Engineering and College of Data Storage Technology and Applications, King Mongkut's Institute of Technology Ladkrabang, 3 Moo 2 Chalongkrung Road, Ladkrabang, Bangkok 10520, Thailand

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MONAI KRAIRIKSH

Faculty of Engineering and College of Data Storage Technology and Applications, King Mongkut's Institute of Technology Ladkrabang, 3 Moo 2 Chalongkrung Road, Ladkrabang, Bangkok 10520, Thailand

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https://doi.org/10.1142/S0218126610006530Cited by:0 (Source: Crossref)

Abstract

This paper describes the design and implementation of an RF CMOS quadrature LC voltage-controlled oscillator in a 0.35 μm technology. The proposed oscillator employs the switched tail transistor topology and differential switch capacitor tuning to achieve low phase noise operation. A modified series coupling mechanism is used for quadrature signal generation with wide output signal swing. The oscillator core circuit was designed to operate with a 2.5 V power supply voltage with a 4 mA total supply current. Measurement results showed that the prototype oscillator could achieve a nominal oscillation frequency of 2.2 GHz with -110 dBc/Hz phase noise at 1 MHz offset frequency.

This paper was recommended by Regional Editor Krishna Shenai.

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References

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Vol. 19, No. 05

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History

Received 25 August 2008

Accepted 8 January 2010

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IMPLEMENTATION OF AN RF CMOS QUADRATURE LC VOLTAGE-CONTROLLED OSCILLATOR BASED ON THE SWITCHED TAIL TRANSISTOR TOPOLOGY

Abstract

References

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System Upgrade on Tue, May 28th, 2024 at 2am (EDT)

IMPLEMENTATION OF AN RF CMOS QUADRATURE LC VOLTAGE-CONTROLLED OSCILLATOR BASED ON THE SWITCHED TAIL TRANSISTOR TOPOLOGY

Abstract

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