Title :
An ASIC mixed-mode analog front end
Author :
Liepold, Carl F. ; Bridge, Bob
Author_Institution :
Intel Corp., Chandler, AZ, USA
Abstract :
An ASIC communications analog front end chip is described. The design tasks included converting the CS4215´s two synchronous audio channels into asynchronous audio and communication channels, and adding a parallel port, a FIFO, a new timing generator, and a low-speed monitor A/D converter
Keywords :
analogue processing circuits; analogue-digital conversion; audio coding; codecs; mixed analogue-digital integrated circuits; sigma-delta modulation; ASIC; FIFO; communications analog front end chip; internal noise management; low-speed monitor A/D converter; mixed-mode analog front end; parallel port; semi-custom development approach; timing generator; Analog circuits; Analog-digital conversion; Application specific integrated circuits; Attenuation; Codecs; Digital filters; Modems; Monitoring; Process design; Timing;
Conference_Titel :
ASIC Conference and Exhibit, 1993. Proceedings., Sixth Annual IEEE International
Conference_Location :
Rochester, NY
Print_ISBN :
0-7803-1375-5
DOI :
10.1109/ASIC.1993.410798