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FSK Transmitter Using Weighted Capacitors

IP.com Disclosure Number: IPCOM000067886D
Original Publication Date: 1979-Oct-01
Included in the Prior Art Database: 2005-Feb-20

Publishing Venue

IBM

Related People

Authors:
Spina, WJ Zbrozek, JD [+details]

Abstract

This is a technique for generating sine waves of different frequencies using weighted capacitors, a recirculating shift register and an operational amplifier provided with a feedback loop.