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전체 논문

185

51

A 99-dB DR Fourth-Order Delta–Sigma Modulator for 20-kHz Bandwidth Sensor Applications
Y. Choi, J. Roh, H. Roh, H. Nam, S. Lee
IEEE Trans. Instrumentation and Measurement., 2009

52

Class-D Audio Amplifier Using 1-Bit Fourth-Order Delta-Sigma Modulation
K. Kang, J. Roh, Y. Choi, H. Roh, H. Nam, S. Lee
IEEE Trans. Circuits and Systems-II, 2008

53

A 0.9-V 60uW 1-bit 4th-order delta-sigma modulator with 83-dB dynamic range
J. Roh, S. Byun, Y. Choi, H. Roh, Y. Kim, J. Kwon
IEEE J. Solid-State Circuits, 2008

54

Digital PWM controller with one-bit noise-shaping interface
J. Roh
Analog Integrated Circuits and Signal Processing, 2006

55

High-Gain Class-AB OTA with Low quiescent Current
J. Roh
Analog Integrated Circuits and Signal Processing, 2006

56

Analogue-to-digital interface technique for digital controllers in DC-DC converters
J. Roh
IEE Electronics Letters, 2005

57

High-performance error amplifier for fast transient DC-DC converters
J. Roh
IEEE Trans. on Circuits and Systems-II, 2005

58

Subband filtering for time and frequency analysis of mixed-signal circuit testing
J. Roh, Jacob A. Abraham
IEEE Trans. Instrumentation and Measurement, 2004

59

A comprehensive signature analysis scheme for oscillation-test
J. Roh, Jacob A. Abraham
IEEE Trans. Computer-Aided Design, 2003

60

Digital PWM controller for DC-DC converters with minimum analogue circuits
J. Roh, S.Lee, S. Park
IEE Electronics Letters, 2003