A design of a low-power, high-accuracy, and constant-Q-tuning continuous-time bandpass filter. - T. K. Pham; P. E. Allen (ISCAS (4), 2002)

A highly accurate step-response-based successive-approximation frequency tuning scheme for high-Q continuous-time bandpass filters. - T. K. Pham; P. E. Allen (IEEE Trans. Circuits Syst. II Express Briefs, 2003)