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IEICE Trans

Lechang LIU

Parametric Resonance Based Frequency Multiplier for Sub-Gigahertz Radio Receiver with 0.3V Supply Voltage
Lechang LIU Keisuke ISHIKAWA Tadahiro KURODA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/06/01
Vol. E97-C  No. 6  pp. 505-511
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
parametric resonance, injection-locked frequency multiplier, phase noise, radio frequency (RF), 
 Summary | Full Text:PDF
A 315 MHz Power-Gated Ultra Low Power Transceiver in 40 nm CMOS for Wireless Sensor Network
Lechang LIU Takayasu SAKURAI Makoto TAKAMIYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/06/01
Vol. E95-C  No. 6  pp. 1035-1041
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
injection lock, power gating, low noise amplifier, ultra low power, 
 Summary | Full Text:PDF
0.6 V Voltage Shifter and Clocked Comparator for Sampling Correlation-Based Impulse Radio UWB Receiver
Lechang LIU Takayasu SAKURAI Makoto TAKAMIYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/06/01
Vol. E94-C  No. 6  pp. 985-991
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
impulse radio ultra-wideband (IR-UWB), voltage shifter, clocked comparator, low voltage, 
 Summary | Full Text:PDF
A 1.76 mW, 100 Mbps Impulse Radio UWB Receiver with Multiple Sampling Correlators Eliminating Need for Phase Synchronization in 65-nm CMOS
Lechang LIU Zhiwei ZHOU Takayasu SAKURAI Makoto TAKAMIYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/06/01
Vol. E93-C  No. 6  pp. 796-802
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
impulse radio ultra-wideband (IR-UWB), charge-domain sampling correlators, charge injection, variable threshold comparator, low power, 
 Summary | Full Text:PDF
A 100 Mbps, 4.1 pJ/bit Threshold Detection-Based Impulse Radio UWB Transceiver in 90 nm CMOS
Lechang LIU Yoshio MIYAMOTO Zhiwei ZHOU Kosuke SAKAIDA Jisun RYU Koichi ISHIDA Makoto TAKAMIYA Takayasu SAKURAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/06/01
Vol. E92-C  No. 6  pp. 769-776
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
impulse radio ultra-wideband (IR-UWB), digital pulse-shaping, pulse discriminator, error-recovery phase-frequency detector, 
 Summary | Full Text:PDF