Changku HWANG

Low Supply Voltage and Low-Power 1-GHz PLL Frequency Synthesizer for Mobile Terminals
Masaru KOKUBO  Yoshiyuki SHIBAHARA  Hirokazu AOKI  Changku HWANG 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/01/01
Vol. E86-C  No. 1  pp. 71-78
Type of Manuscript: PAPER
Category: Integrated Electronics
Keyword: 
PLL,  VCO,  charge-pump,  dynamic output stage,  stability, 
  Summary |  Full Text:PDF (1.5MB)
Low Voltage/Low Power CMOS VCO
Changku HWANG  Masaru KOKUBO  Hirokazu AOKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/03/20
Vol. E82-A  No. 3  pp. 424-430
Type of Manuscript: Special Section PAPER (Special Section on Selected Papers from the 11th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
microprocessor,  PLL,  V-I converter,  current and voltage controlled oscillator (CCO and VCO), 
  Summary |  Full Text:PDF (405.7KB)
Low Voltage High-Speed CMOS Square-Law Composite Transistor Cell
Changku HWANG  Akira HYOGO  Hong-sun KIM  Mohammed ISMAIL  Keitaro SEKINE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/02/20
Vol. E82-A  No. 2  pp. 378-379
Type of Manuscript: Special Section LETTER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
analog signal processing,  CMOS,  low voltage,  composite transistor,  multiplier, 
  Summary |  Full Text:PDF (145.6KB)