Title :
A switched-capacitor realization of multiple FIR filters on a single chip
Author :
Lee, Yeong-sheng ; Martin, Kenneth W.
Author_Institution :
Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA
fDate :
4/1/1988 12:00:00 AM
Abstract :
Design techniques for realizing eight 32-tap transversal filters on a single-CMOS IC are discussed. The IC is capable of processing signals at a rate of 500 million multiplications and accumulations per second, while achieving a high dynamic range. The IC contains 32 sample-and-holds, a 32×32 analog multiplexer, eight 32-input summing amplifiers, and all of the needed control circuitry. The chip was fabricated using a standard CMOS, p-well process with double polysilicon. All of the necessary analog sampled-data and digital control circuits were realized on a 307×315 mil2 die
Keywords :
CMOS integrated circuits; VLSI; digital filters; switched capacitor filters; 315 mm; 32-tap transversal filters; 500 million multiplications per second; CMOS; VLSI; analog multiplexer; control circuitry; digital control circuits; double polysilicon; dynamic range; multiple FIR filters; sample-and-holds; single chip; summing amplifiers; switched-capacitor realization; Analog integrated circuits; CMOS integrated circuits; CMOS process; Charge coupled devices; Delay; Digital control; Digital signal processing; Dynamic range; Finite impulse response filter; Multiplexing; Radar signal processing; Signal processing; Transversal filters;
Journal_Title :
Solid-State Circuits, IEEE Journal of