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Dive into the research topics where Ramesh Chandrasekaran is active.

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Featured researches published by Ramesh Chandrasekaran.


custom integrated circuits conference | 2003

A 9b 165MS/s 1.8V pipelined ADC with all digital transistors amplifier

Mezyad M. Amourah; Haydar Bilhan; Feng Ying; Lieyi Fang; Gonggui Xu; Ramesh Chandrasekaran; Randall L. Geiger

A 9 bit, 1.8 V, 165 MS/s pipelined ADC was built in a 0.21 /spl mu/m CMOS digital process. The inter-stage amplifier in this converter was built using all digital transistors. To get sufficient gain with digital transistors, a self-adjusting positive feedback operational amplifier, that shows low sensitivity to output swing, was used. The ADC consumed a total power of 90 mW when operated at full speed.


Archive | 2000

Optical black and offset correction in CCD signal processing

Haydar Bilhan; Ramesh Chandrasekaran


Archive | 2000

Digital scheme for noise filtering of optical black and offset correction in CCD signal processing

Haydar Bilhan; Ramesh Chandrasekaran


Archive | 2001

Analog optical black clamping circuit for a charge coupled device having wide programmable gain range

Feng Ying; Yong Han; Haydar Bilhan; Lieyi Fang; Ramesh Chandrasekaran; Gary Lee; Gonggui Xu


Archive | 2000

CMOS analog front end architecture with variable gain for digital cameras and camcorders

Haydar Bilhan; Gary E. Lee; Ramesh Chandrasekaran; Feng Ying; Ching-Yuh Tsay; Xucheng Wang


Archive | 2002

Clamping circuit with wide input dynamic range for video or other AC coupled signals

Lieyi Fang; Haydar Bilhan; Gonggui Xu; Ramesh Chandrasekaran; Feng Ying; Erkan Bihan; Jason Meiners


Archive | 2005

Systems and methods for correcting color phase error in video systems

Weider Peter Chang; Ramesh Chandrasekaran


Archive | 2005

SWITCHING SCHEME TO IMPROVE LINEARITY AND NOISE IN SWITCHED CAPACITOR STAGE WITH SWITCHED FEEDBACK CAPACITOR

Ramesh Chandrasekaran


Archive | 2005

Systems and methods for separating luma and chroma information in a composite video signal

Weider Peter Chang; Karl Renner; Ramesh Chandrasekaran; Steven Derek Clynes; Jason Meiners


Archive | 2005

Motion detector for a video display system

Karl Renner; Weider Peter Chang; Ramesh Chandrasekaran

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