RANGE EXTENDED TANGENT TYPE FM DEMODULATOR WITH WIDE LINEAR RANGE USING DIGITAL SIGNAL PROCESSING.

Masafumi Hagiwara, Masao Nakagawa

Research output: Contribution to journalConference article

3 Citations (Scopus)

Abstract

The authors propose a range-extended tangent (RE-TAN) type of DSP FM demodulator. It has the following features: (1) The linear detection range is much wider than for any other conventional DSP FM demodulator. (2) The allowable range of parameters in RE-TAN are much wider than for any other DSP FM demodulator. (3) RE-TAN can demodulate both narrowband and wideband FM. Its sampling frequency is much lower than conventional DSP FM demodulators, even if the incoming signal is wideband FM. (4) RE-TAN consists only of open-loop circuits. Therefore, it is not required to consider the influence of phase delay. RE-TAN can be applied to wire communication systems, wireless communication systems, digital audio and TV, among others.

Original languageEnglish
Pages (from-to)1481-1482
Number of pages2
JournalProceedings - IEEE International Symposium on Circuits and Systems
Publication statusPublished - 1985 Dec 1

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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