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AUTOMATED FACTORY TUNING OF OSCILLATORS USING ELECTRICALLY ADJUSTABLE CAPACITORS AND PHASE LOCK

IP.com Disclosure Number: IPCOM000005849D
Original Publication Date: 1990-Mar-01
Included in the Prior Art Database: 2001-Nov-12

Publishing Venue

Motorola

Related People

Authors:
D. Schick J. Parkes D. Winfree

Abstract

Increased demands on crystal oscillator accuracy in production radios has required that oscillators be tuned in the factory to remove initial offset error. Generally, tuning is accomplished by adjustment of a mechanical variable capacitor. This method adds labor and decreases overall reliability of the product. Thus, a solid state tuning method is more desirable.