The specification and design of filters for amplitude and phase modulated data transmission systems

1 January 1976

journal article
Published by Institution of Engineering and Technology (IET) in Radio and Electronic Engineer

Vol. 46 (4) , 161-169
https://doi.org/10.1049/ree.1976.0027

Abstract

A baseband pre-envelope model is used to define the important performance parameters of amplitude, and phase modulation of digital transmission systems as far as the system's filters are concerned. Typical figures are given of these parameters and a filter specification is drawn up. Theoretical characteristics are derived which optimize the performance parameters and form target responses for practical filters. A simple example is given of this method. A low-pass prototype shaping filter and a phase equalizer is obtained which meets the typical specification.

Keywords

PHASE EQUALIZER
OPTIMIZE
DIGITAL TRANSMISSION SYSTEMS
PHASE MODULATION
BASEBAND PREENVELOPE MODEL
AMPLITUDE MODULATION
PERFORMANCE PARAMETERS
DATA TRANSMISSION SYSTEMS
LOW PASS PROTOTYPE SHAPING FILTER
FILTER SPECIFICATION

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