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Encyclopedia of Electronic Components Volume 1
book

Encyclopedia of Electronic Components Volume 1

by Charles Platt
October 2012
Beginner content levelBeginner
294 pages
12h 41m
English
Make: Community
Content preview from Encyclopedia of Electronic Components Volume 1

Chapter 13. variable capacitor

What It Does

A variable capacitor allows adjustment of capacitance in much the same way that a potentiometer allows adjustment of resistance.

Large variable capacitors were developed primarily to tune radio receivers, in which they were known as tuning capacitors. Cheaper, simpler, and more reliable substitutes gradually displaced them, beginning in the 1970s. Today, they are still used in semiconductor fabrication, in RF plastic welding equipment, in surgical and dental tools, and in ham radio equipment.

Small trimmer capacitors ...

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Publisher Resources

ISBN: 9781449333881Errata Page