Circuit Simulator - Sawtooth Wave Generator

Why Sawtooth Wave Generator?

Learn about Sawtooth Wave Generator to improve your skills and design your electronics projects yourself.

Where can I get Sawtooth Wave Generator Circuit Diagram with Explanation?

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How to design a Sawtooth Wave Generator (electronic circuit)?

You can easily design the Sawtooth Wave Generator circuit by practicing the exercises given below. Here you can design and simulate your own electronic circuits with this Online Circuit Designer and Simulator.

Circuit Description:

This circuit is an oscillator that generates a sawtooth wave. It's basically the same circuit as the triangle wave oscillator, except that the resistor in series with the capacitor has been replaced by two resistors, each paired with a diode going in opposite directions. For the first half of the cycle, the capacitor charges through a 40k resistor, and for the other half, it quickly discharges through a 5k resistor. -- Credits: Mr. Paul Falstad.

Hasi said: (Oct 29, 2010)  
What is the application of sawtooth?

Vignesh said: (Feb 19, 2011)  

I tried this circuit. Its not producing waveform. I tried with different values.

Durga said: (Feb 20, 2011)  
I tried the same circuit in multisim but the output is not coming may I know the reason?

Amresh said: (May 13, 2013)  
How saw tooth wave works?

Pluralchimera0 said: (Jan 30, 2014)  
The sawtooth waves only real use is for sound synthesis. Hook the output up to an 8 ohm speaker and connect the speaker to ground to hear a pure unfiltered sawtooth wave.

Diksploogeeeemcgee said: (Jan 30, 2014)  
I don't get it. It only starts oscillating after you disconnect the power. I need constant power. Well I guess its because nothing is drawing current to theres no where for the electricity in the wires to go.

Eric said: (Mar 22, 2014)  
What are the applications of the saw-tooth generator?

Pete said: (Mar 28, 2014)  
Thanks for the diagram. I drew up the circuit in Orcad Capture and was able to run it fine. I changed the capacitor to a smaller value to increase the frequency. I am trying to design a circuit that produces a sawtooth at about 110-120 Hz to mimic the fundamental frequency of a male speaker.
I used Capture to generate a Fourier transform of the signal, and thought that the energy drops off pretty quick for what I want. I'm messing with different component values to try to decrease the dropoff.
I changed the 5k for a 2k, and the upper 40k for 80k, resulting in an even steeper slope in the fast component of the waveform. The Fourier transform resulted in an even bigger drop between the fundamental and the second harmonic, but the amplitude at higher frequencies seems to persist.

Saman said: (Oct 28, 2014)  
I do not have waveform in the output! Why?

Prabha said: (Apr 29, 2015)  
No voltage source input why?

Daniel said: (May 16, 2015)  
Can somebody explain what types of AO are in the circuit and what power supply it needs?

Myname said: (Jan 1, 2016)  
I try it. And the circuit doesn't work. My output just jump on maximum voltage level.

I tried with different voltage dividers answer still doesn't work.

Thomson said: (Mar 13, 2016)  
Multivibrator needs no input.

Rohail said: (Sep 19, 2016)  
Works only with dual power supply op amps. If you have a single supply op amp you need to modify the positive input of second op amp (and maybe the negative input of first op amp as well).

Ekrem Kaya said: (Nov 11, 2019)  
I have tried with LM358 opamp with single power supply by adding virtual zero point. Worked well. Added another opamp and a pot to produce variable PWM signal.

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