Return to Tech Notes Menu Page

SSS Online is your RF, Wireless, and SS Source!

Topical Menus:
   SSS Online Ezine
   Spread Spectrum
   RF Topics
   Wireless Topics
   Design Topics
   Tech Notes & Tips
   Design Tools
   Software Downloads
   Reference Material
   Ham Topics
   Fun & Games
   Assorted Topics
   Community Topics
   Site Info

This site is managed by: Visit Pegasus Technologies
Pegasus Menu
Contact Us

Search SSS-Mag
Custom Search

Leave a Comment

Sign our Guestbook

Visit our Sponsors:

Spread Spectrum Scene 

Voltage Controlled Oscillator Design

A voltage controlled oscillator (VCO) is an oscillator where the principal variable or tuning element is a varactor diode. The VCO is tuned across its band by a "clean" dc voltage applied to the diode to vary the net capacitance applied to the tuned circuit.

VCOs are used in virtually all Spread Spectrum, RF and wireless systems. Every synthesizer and PLL has at least one VCO in it — thus designers should know something about them. Pick one of the links below to find out more information about this important subject!


  Tutorials and Basic Info
Return to Contents

  Related Pages on SSS Online

Return to Contents

  Interesting VCO-Related Weblinks

Return to Contents

Contents SS Glossary Pegasus Tech Navigation Home

  Tel: 865-717-9339   ||   FAX: 865-717-9904    ||   E-Mail:
This site © 1995-2009 by SSS Online, Inc. All rights reserved.
Revised March 11, 2009