Sungho LEE

On-Chip Supply Noise Suppression Technique Using Active Inductor
Jaejun LEE Sungho LEE Sangwook NAM 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/05/01
Vol. E94-C  No. 5  pp. 917-919
Type of Manuscript:  LETTER
Category: Electromagnetic Theory
Keyword: 
on-chip filter, LC resonator, active inductor, supply noise, 
 Summary | Full Text:PDF(695KB)
A High-Efficient Transformer Using Bond Wires for Si RF IC
Eunil CHO Sungho LEE Jaejun LEE Sangwook NAM 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/01/01
Vol. E93-C  No. 1  pp. 140-141
Type of Manuscript:  LETTER
Category: Electromagnetic Theory
Keyword: 
CMOS RF integrated circuit, monolithic transformers, bond wires, balun, 
 Summary | Full Text:PDF(250.2KB)
High Gain and Wide Range Time Amplifier Using Inverter Delay Chain in SR Latches
Jaejun LEE Sungho LEE Yonghoon SONG Sangwook NAM 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/12/01
Vol. E92-C  No. 12  pp. 1548-1550
Type of Manuscript:  LETTER
Category: Electronic Circuits
Keyword: 
time amplifier, time-to-digital converter, SR latch, high resolution delay measurement, all-digital phase-locked loop, inverter delay chain, 
 Summary | Full Text:PDF(234.8KB)
A 0.1-1 GHz CMOS Variable Gain Amplifier Using Wideband Negative Capacitance
Hangue PARK Sungho LEE Jaejun LEE Sangwook NAM 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/10/01
Vol. E92-C  No. 10  pp. 1311-1314
Type of Manuscript:  BRIEF PAPER
Category: Electronic Circuits
Keyword: 
variable gain amplifier, wideband, cascode, negative capacitance, 
 Summary | Full Text:PDF(378.7KB)
A 2.3-7 GHz CMOS High Gain LNA Using CS-CS Cascode with Coupling C
Hangue PARK Sungho LEE Jaejun LEE Sangwook NAM 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/08/01
Vol. E92-C  No. 8  pp. 1091-1094
Type of Manuscript:  BRIEF PAPER
Category: Electronic Circuits
Keyword: 
wideband LNA, coupling capacitor, common source-common source cascode, 
 Summary | Full Text:PDF(658.6KB)