Function Generator Circuit Design

The function generator is very useful tool for the electronics freaks.

Function generator circuit design.

The one we will build can output square triangle or sine waveforms. The circuit can also easily allow for amplitude adjustment. In addition to producing sine waves. We get ours through a potentiometer.

A function generator is usually a piece of electronic test equipment or software used to generate different types of electrical waveforms over a wide range of frequencies. This instructable describes the design of function generator based on the maxims s analog integrated circuit max038. For example one could generate a sinusoidal signal at 60hz. First a function generator also called a tone generator is an electronic device that can output a specific waveform at a set frequency.

The circuit model is designed and simulated with ngspice and its performance is demonstrated through the simulation of a number of non linear functions. A function generator is a electronic device that can produce a variety of different waveforms. These waveforms can be either repetitive or single shot. Function generator is a type of instrument which is used to generate different types of waveforms like sinusoidal triangular rectangular square waveforms.

The proposed function generator model is based on a polynomial expansion model that uses a 10th order polynomial approximation of any of the required functions. Some of the most common waveforms produced by the function generator are the sine wave square wave triangular wave and sawtooth shapes. Since ad9833 has no capability to change output signal amplitude i ve used a digital 8 bit potentiometer as a voltage divider at the device output endpoint will be described in further steps. Integrated circuits used to generate waveforms may also be described as function generator ics.

It is needed for tuning resonance circuits testing audio and video equipment designing of analog filters and for many other different purposes. Integrated function generator circuit is a central part of the design controlled via spi interface with ability to generate square sine triangle wave with frequency modulation option.