TY - SER AU - U, Seng-Pan AU - Martins, Rui P. TI - A 2.5-V 57-Mhz 15-Tap Sc Bandpass Interpolating Filter with 320-Ms/S Output for Ddfs System in 0.35-Um Cmos KW - Autozeroing KW - Bandpass Filters KW - Cmos Analog Integrated Circuits ER -