Pyung CHOI


3.3 V 35 mW Second-Order Three-Bit Quadrature Band-Pass ΔΣ Modulator for Digital Radio
Hack-Soo OH Chang-Gene WOO Pyung CHOI Geunbae LIM Jang-Kyoo SHIN Jong-Hyun LEE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/12/01
Vol. E86-A  No. 12  pp. 3230-3239
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
digital radioband-pass delta-sigma modulationswitched-capacitor circuitIF signalanalog-digital conversion
 Summary | Full Text:PDF(627.7KB)

Design and Implementation of a Fourth-Order Quadrature Band-Pass Delta-Sigma Modulator for Low-IF Receivers
Sung-Wook JUNG Chang-Gene WOO Sang-Won OH Hae-Moon SEO Pyung CHOI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/12/25
Vol. E83-A  No. 12  pp. 2649-2656
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
delta-sigma modulationswitched-capacitor circuitsIF systemsmixed analog-digital integrated circuits
 Summary | Full Text:PDF(654.6KB)

A 3 V Low Power 156/622/1244 Mbps CMOS Parallel Clock and Data Recovery Circuit for Optical Communications
Hae-Moon SEO Chang-Gene WOO Sang-Won OH Sung-Wook JUNG Pyung CHOI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/08/25
Vol. E83-A  No. 8  pp. 1720-1727
Type of Manuscript:  PAPER
Category: General Fundamentals and Boundaries
Keyword: 
parallel clock and data recoveryCMOSoptical communicationslow power
 Summary | Full Text:PDF(1.1MB)

A Second-Order Sigma-Delta Modulator with a Gain Scaling of ADC and a Simple Multibit DAC
Byung-Woog CHO Pyung CHOI Jun-Rim CHOI Dae-Hyuk KWON Byung-Ki SOHN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/06/25
Vol. E83-A  No. 6  pp. 1192-1198
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
sigma-delta modulatoranalog-to-digital conversiongain scaling
 Summary | Full Text:PDF(912.9KB)