A bit-slice architecture for sigma-delta analog-to-digital converters. - Vladimir Friedman; Douglas M. Brinthaupt; De-Ping Chen; Timothy W. Deppa; John P. Elward Jr.; Evelyn M. Fields; Hanafy Meleis (IEEE J. Sel. Areas Commun., 1988)

The structure of the limit cycles in sigma delta modulation. - Vladimir Friedman (IEEE Trans. Commun., 1988)

A dual-channel voice-band PCM codec using Sigma Delta modulation technique. - Vladimir Friedman; Douglas M. Brinthaupt; De-Ping Chen; Timothy W. Deppa; John P. Elward Jr.; Evelyn M. Fields; Jeffrey W. Scott; T. R. Viswanathan 001 (IEEE J. Solid State Circuits, 1989)

The implementation of digital echo cancellation in codecs. - Vladimir Friedman; John M. Khoury; Michael Theobald; Venu P. Gopal (IEEE J. Solid State Circuits, 1990)

A zero crossing algorithm for the estimation of the frequency of a single sinusoid in white noise. - Vladimir Friedman (IEEE Trans. Signal Process., 1994)

A baseband processor for IS-54 cellular telephony. - Vladimir Friedman; Kadaba R. Lakshmikumar; David L. Price; Tuan N. Le; Jit Kumar (IEEE J. Solid State Circuits, 1996)