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Browse Prior Art Database

DIGITAL VOLUME CONTROL USING DUTY CYCLE TECHNIQUE

IP.com Disclosure Number: IPCOM000005760D
Original Publication Date: 1988-Oct-01
Included in the Prior Art Database: 2001-Nov-02

Publishing Venue

Motorola

Related People

Authors:
James Elton Berry

Abstract

This paper shows how to use digital logic to create a completely flexible Digital Volume Control device, utilizing the Fourier characteristics of digital signals with different duty cycles. The device is particularly useful in products in which a variable tone is desired, such as a paging receiver.