Sine Wave Generator Circuit 555

In this project we will show how to build a square wave generator circuit that allows for adjustable frequency and amplitude of the output square wave signal.

Sine wave generator circuit 555.

In addition you have experimented with square wave relaxation oscillators a wien bridge sine wave oscillator and waveform synthesis using digital counters. In one of my earlier posts we elaborately learned how to build a spwm generator circuit using an opamp and two triangle wave inputs in this post we use the same concept to generate the spwms and also learn the method of applying it within a ic 555 based inverter circuit. This square wave generator circuit can be built simply a 555 timer chip and a few resistors capacitors and potentiometers. In this video i demonstrate a sine wave generator circuit built with a 555 timer chip.

Sine wave generator using a 555 timer. The sine wave generator circuit that we will build is shown below. I put the chip in astable mode to produce a square wave and then plac. There is never a doubt that we can get a sine wave out of an lc network with the right values chosen but there s still no way it is coming from the 555 itself.

The breadboard schematic of the above circuit is shown below. It simply uses one chip a 555 timer. The circuit is very basic. Sine wave generator using 4047 ic.

So first for the power requirements of this circuit we use 4 5v to the 555 timer chip. Just to note almost any wave shape that is fed into a filter like a bandpass filter will produce a sine wave. This 4 5v goes to pin 8 and pin 4. Oscillator has been the function generator.

That includes a square wave triangle wave rectangular pulse etc. This ic is generally used in inverter circuit and we have previously made a square wave generator using this ic by adding few resistors and capacitors in previous circuit we can obtain sine wave with ic 4047 as shown in the circuit diagram below. For most applications it is neither economical nor practical to dedicate a function generator that costs roughly 1200.