NDLI: The effect of substrate noise on a 5.2 GHz LC-Tank VCO performance in a lightly doped substrate

Content Provider	IEEE Xplore Digital Library
Author	Aghnout, S. Masoumi, N.
Copyright Year	2008
Description	Author affiliation: Sch. of ECE, Univ. of Tehran, Tehran (Aghnout, S.)
Abstract	Voltage controlled oscillator (VCO) is one of the most sensitive analog circuits that suffer from the harmful effects of noise which is generated by the switching of digital circuits residing on a common substrate. This paper studies the effect of substrate noise on the performance of a 5.2 GHz LC-Tank VCO in a lightly doped substrate. It will be shown that the noise can couple into different components in the VCO, leading to spur generation at the sidebands of the oscillation frequency which will cause phase noise degradation of LC-tank VCO. This work uses the results of substrate modeling in high frequency region. It supposes the substrate not as a purely resistive network but a resistive-capacitive network to account for the behavior of the substrate in high frequency and RF regimes.
Starting Page	1
Ending Page	6
File Size	233985
Page Count	6
File Format	PDF
ISBN	9781424415762
DOI	10.1109/DTIS.2008.4540259
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-03-25
Publisher Place	Tunisia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase noise mixed analog-digital integrated circuits Analog circuits spiral inductor Noise generators Digital circuits Switching circuits LC-Tank VCO Degradation Voltage-controlled oscillators Substrate coupling noise Coupling circuits Frequency Circuit noise CMOS integrated circuits
Content Type	Text
Resource Type	Article

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