Browse Prior Art Database

AM SUPPRESSION FOR CONSTANT ENVELOPE TRANSMITTERS

IP.com Disclosure Number: IPCOM000007650D
Original Publication Date: 1996-May-01
Included in the Prior Art Database: 2002-Apr-11

Publishing Venue

Motorola

Related People

Authors:
Zalman Schwartzman Eyal Fayneh

Abstract

Transmitters of phase and frequency modulation type are designed to generate a constant amplitude RF output. Only the phase of the RF signal carries information. Unfortunately, mobile radios face fast variations of the DC supply voltage, in form of rip- ple, caused by the alternator charge current.