Voltage Controlled Oscillator Using 555 Timer

This electronics video tutorial explains how to create a voltage controlled oscillator using the 555 Timer IC. The control voltage pin or pin 5 is used to control the frequency of the output rectangular wave. As the voltage at pin 5 increases, the output frequency decreases. You can use a voltage divider network or a potentiometer to adjust the voltage at pin 5.

LED Flasher Circuit:
   • LED Flasher Circuit  

RC Phase Shift Oscillator Circuit:
   • RC Phase Shift Oscillator Circuit Usi...  

Wien Bridge Oscillator Circuit:
   • Wien Bridge Oscillator Circuit Using ...  

Colpitts Oscillator Transistor Circuit:
   • Colpitts Oscillator NPN Transistor Ci...  

Hartley Oscillator Circuit:
   • Hartley Oscillator Circuit  

_________________________________
Single Transistor Esaki Oscillator Circuit:
   • Single Transistor Esaki Oscillator Ci...  

Single Transistor LED Flasher Circuit:
   • Single Transistor LED Flasher Circuit...  

What Is Negative Resistance?
   • Negative Resistance In NPN 2N2222A Tr...  

Colpitts Crystal Oscillator Circuit:
   • Colpitts Crystal Oscillator Circuit  

Pierce Crystal Oscillator Circuit:
   • Pierce Crystal Oscillator Circuit Usi...  

__________________________________
555 Timer - Pulse Generator Circuit:
   • 555 Timer IC - Low Frequency Pulse Ge...  

LED Blinking Circuit Using 555 Timer:
   • LED Blinking Circuit Using 555 Timer  

60 Hz Sine Wave Generator - 555 Timer:
   • 60 Hz Sine Wave Generator Using 555 T...  

555 Timer Signal Generators:
   • 555 Timer Signal Generators - Square ...  

_______________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Videos and Worksheets:
  / collections  

_______________________________
555 Timer: https://amzn.to/2AmXPm2
Hantek Handheld Oscilloscope: https://amzn.to/3hCMUHT
Resistors: https://amzn.to/2U2dPEp
Electrolytic Capacitors: https://amzn.to/3B5a4i7
Digital Multimeters: https://amzn.to/3i8qZHF

Disclaimer: Some of the links associated with this video may generate affiliate commissions on my behalf. As an amazon associate, I earn from qualifying purchases that you may make through such affiliate links.