Title :
A 600-MHz median-type digital filter on GaAs
Author :
Vainio, Olli ; Sundaram, Mani ; Long, Stephen I. ; Neuvo, Yrjö
Author_Institution :
Signal Processing Lab., Tampere Univ. of Technol., Finland
fDate :
6/1/1992 12:00:00 AM
Abstract :
A single-chip GaAs implementation of an FIR-median hybrid (FMH) filter is presented. The very high-speed digital filter combines linear averaging structures to a median selector. The filter operates on 5-b samples with ECL-compatible I/O interfaces. The 1500-transistor LSI device with 3.6-mm2 chip size was processed with a 1.0-μm GaAs depletion-mode (D-mode) MESFET process. The filter demonstrates 600-MHz sample rate when operated in test mode utilizing special built-in feedback
Keywords :
III-V semiconductors; digital filters; digital integrated circuits; feedback; field effect integrated circuits; gallium arsenide; 1 micron; 600 MHz; ECL-compatible I/O interfaces; FIR-median hybrid; GaAs; LSI device; MESFET process; built-in feedback; depletion-mode; digital filter; linear averaging structures; median selector; median-type; monolithic IC; single-chip GaAs implementation; Circuit testing; Delay; Digital filters; Digital signal processing; Fabrication; Finite impulse response filter; Gallium arsenide; Large scale integration; MESFETs; Nonlinear filters;
Journal_Title :
Solid-State Circuits, IEEE Journal of
