A simple function generator circuit with diagram and schematics using ICL, which is a pulse generator IC which generates waveforms of. About the ICL Introduction. The is a function generator capable of producing sine, square, triangular, sawtooth and pulse waveforms (some at. This is the Mini function generator circuit using ICL IC-number. (Precision Waveform Generator/ Voltage Controlled Oscillator) It will generate output 3 the.

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Previous post Next post. The output waveforms can be both amplitude and frequency modulated. Voltage transformer should have a 2x14V minimum to allow the proper operation of and stabilizers. Whether it’s an XR, an SN, or even the humble CD, he seems to always find some way to make that IC give up more than the datasheet even implies.

Rising edge depends only on the geenrator resistor and its growing very slowly. There are five trim pots.

I got rid of some of the elements, I added my own solutions. An oscilloscope is pretty much required for setting symmetry of the waveforms. This is the best function generator circuit for a beginner to start with and is of course a must on the work bench of an electronics hobbyist. Varying the resistance using this will reduce the distortion in the output sine wave. Obviously, there are just not a whole lot of parts in this project, and all are fairly easy to get hold of.


I found a workaround by not putting the load on the square wave output from pin 9 open collector that needs to be pulled up to the power supply. Function Generator Circuit using ICL Function Generators are an essential equipment for electronic hobbyist and experimenters to feed input signal with ease other than generating them by their own. The frequency of the generatoe can be modified from 0.

We want an improved vasion of this diagram which will be controled by a computer system. Your generatpr address will not be published.

Is it a piece of test equipment or a component for a synthesizer?

As it turns out, what the needed was a good change of diet. Shop around – prices vary widely!

ICL8038 Function Generator

As always, there is the Thomas Henry Designs forum at electro-music. I’d say your best bet for the finction BGMicro a very cool little outfit that supplies all kinds of spiffy stuff for this obsession of ours.

Here, i fixed the square wave with a comparator so that the slope is pretty steep, steep as applied comparator can give. R10 sets the maximum frequency and R23 sets the minimum frequency. Latest posts by Geberator Donald see all.

Function Generator Circuit using ICL Pulse Generator IC

The frequency of the output wave form can be adjusted using R7. Imperfections In this article i described how to make a simple front panel its not translated, sorry funcyion, and beside regular files such as PCB files, i added a ready-to-print design of the front panel in the PDF format, suitable for housing Z1A, in the attachment.

Sinusoidal signal coming from the ICL is 5.


This publication is available for preview and purchase at Lulu. This circuit is capable of giving three output signals such as Sine, square and triangle which forms the basic types of signals.

The frequency control set consists of a coarse and fine tune arrangement – the coarse control obviously will move the frequency in greater increments, and the fine control funcion one to set the frequency exactly at the desired point. The panel decal can be made from the panel document provided below, and Thomas has also supplied a drilling guide for it, which can also be downloaded. R1, Symmetry Trim sets the symmetry of the waveforms above Hz or so.

Go back and forth between these two pots until you get good symmetry at the low and high ends. Shown in the schematic LM 1. Sinusoidal and triangular waveforms will be passed nice, but we can forget about the square.

The resistors Ra and Rb is known as the timing resistorswhere Ra controls the rising portion generaator the trianglesine and high state of square wave. It can be connected to any type of stereo audio source such as iPod, Computer, Laptop, CD Player, Walkman, Television, Satellite Receiver, Tape Deck or other stereo system to transmit stereo sound with excellent clarity throughout your home, office, yard or camp ground.