The Brief Analysis on a Broadband VCO

Hong Bing Zhang

doi:10.4028/www.scientific.net/AMM.389.808

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 389The Brief Analysis on a Broadband VCO

The Brief Analysis on a Broadband VCO

Abstract:

Multiband transceivers are very popular nowadays. As a key component in the system, the broadband VCO is a hot research topic. This paper presents a broadband inductor capacitor voltage controlled oscillator (LC-VCO) with an adaptive frequency calibration (AFC) circuit. The VCO uses a 5-bit differential switched-capacitor array for extending the tuning range. Two couples of AMOS varactors are employed to linearize the VCO tuning gain. An AFC circuit is utilized to automatically select the optimal sub-band for the VCO by binary search algorithm.

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Periodical:

Applied Mechanics and Materials (Volume 389)

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808-811

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.389.808

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Online since:

August 2013

Authors:

Hong Bing Zhang

Keywords:

Broadband, LC-VCO, PMOs, Schematic

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References

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