An IF-sampling SC complex lowpass Sigma Delta modulator with high image rejection by capacitor sharing. - Wang Tung Cheng; Kong-Pang Pun; Cheong-Fat Chan; Chiu-sing Choy (ISCAS (1), 2004)

A 75dB image rejection IF-input quadrature sampling SC ΣΔ modulator. - Wang Tung Cheng; Kong-Pang Pun; Chiu-Sing Choy; Cheong-Fat Chan (ESSCIRC, 2005)

A 75-dB image rejection IF-input quadrature-sampling SC ΣΔ Modulator. - Kong-Pang Pun; Wang Tung Cheng; Chiu-Sing Choy; Cheong-Fat Chan (IEEE J. Solid State Circuits, 2006)