BY USING DIGITAL SIGNAL processing and LSI techniques, modern modems have been, in the main, of LSI design, except for the analog section. However, a complete LSI modem is necessary to realize a low-cost and small size modem. The analog LSI circuit will be a key device for data transmission equipment. This paper will describe an NMOS analog front-end LSI circuit for high speed telephone channel modems. The circuit has various kinds of analog functions: A/D and D/A converters, band limiting filters, AGC circui…
scite is a Brooklyn-based startup that helps researchers better discover and evaluate scientific articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by researchers from dozens of countries and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.