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Dive into the research topics where Gonggui Xu is active.

Publication


Featured researches published by Gonggui Xu.


international symposium on circuits and systems | 2004

A programmable gain amplifier buffer design for video applications

Gonggui Xu; Haydar Bilhan

A programmable gain amplifier (PGA) for video decoder application is presented: 16 linear gain steps from 1.35 to 5.4, 2.5 Vpp output swing, better than -55 dB THD (1 MHz, 2.5 Vpp) for 10 pF loading and 3 V power supply. The programmability is implemented by switching on/off resistors through a low distortion switching scheme. In this scheme, as the switches are symmetrically positioned at amplifier virtual ground, not only low distortion but also gain independent offset are achieved.


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 | 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 | 2004

Amplifier apparatus and method

Gonggui Xu; Haydar Bilhan


Archive | 2005

Frequency/delay synthesizer architecture

Gonggui Xu; Haydar Bilhan; Liming Xiu


Archive | 2005

Apparatus and method for treating a reference signal to present a synthesized output signal

Gonggui Xu; Haydar Bilhan; Liming Xiu


Archive | 2002

Canceling feedback resister loading effect in a shunt-shunt feedback circuit

Gonggui Xu; Haydar Bilhan; Huimin Xia; Feng Ying; Xiaopeng Li


international symposium on circuits and systems | 2006

An improved frequency and phase synthesis architecture

Gonggui Xu; Shouli Yan


Archive | 2003

Method and apparatus inhibiting feedback resistor load effect by means of shunt-shunt feedback circuit

Haydar Bilhan; Xiaopeng Li; Huimin Xia; Gonggui Xu; Feng Ying; ゴングイ シュウ; シャオペン リ; ハイダール ビラーン; ヒュイミン シャア; フェン イン


Archive | 2003

Eliminieren des Rückkopplungslasteffektes in einer Parallel-Parallel Rückkopplungsschaltung Eliminating the feedback load effect in a parallel-parallel feedback circuit

Gonggui Xu; Haydar Bilhan; Huimin Xia; Feng Ying; Xiaopeng Li

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