Steven T. Jaffe

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Featured researches published by Steven T. Jaffe.

IEEE Journal of Solid-state Circuits | 2013

Jiangfeng Wu; Chun-Ying Chen; Tianwei Li; Lin He; Wenbo Liu; Wei-Ta Shih; Shauhyuarn Sean Tsai; Binning Chen; Chun-Sheng Huang; Bryan Juo-Jung Hung; Hing T. Hung; Steven T. Jaffe; Loke Kun Tan; Hung Vu

This paper introduces multiplying digital-to-analog converter (MDAC) equalization, a digital correction technique for pipeline ADCs that corrects MDAC gain, settling, and other dynamic errors using successive digital FIR filters operating on sub-ADC output samples. This technique reduces the required MDAC residue amplifier (RA) bandwidth relative to the sampling frequency, thereby reducing ADC power. MDAC equalization is demonstrated in a 240-mW 2.1-GS/s ping-pong pipeline ADC in 40-nm CMOS where MDAC RA power is reduced from 175 to 53 mW by 70%. The ADC achieves 58 dB SNR and 52 dB SNDR.

custom integrated circuits conference | 2012

Jiangfeng Wu; Chun-Ying Chen; Tianwei Li; Wenbo Liu; Lin He; Shauhyuarn Sean Tsai; Binning Chen; Chun-Sheng Huang; Juo-Jung Hung; Wei-Ta Shih; Hing T. Hung; Steven T. Jaffe; Loke Tan; Hung Vu

This paper introduces MDAC equalization, a digital correction technique for pipeline ADCs that corrects MDAC gain and settling errors using successive digital FIR filters operating on sub-ADC output samples. This technique reduces the required MDAC residue amplifier (RA) bandwidth relative to the sampling frequency, thereby reducing ADC power. MDAC equalization is demonstrated in a 240mW 2.1GS/s 12b ping-pong pipeline ADC in 40nm CMOS where MDAC RA power is reduced from 175mW to 53mW by 70%.

Archive | 2004