Exploring the ICL8038: Building an Audio Function Generator Circuit

audio function generator circuit

Introduction: In the world of electronics, different types of waveforms are essential for testing various circuits. A sine wave signal is commonly used for assessing linear circuits such as amplifiers and filters. In contrast, a square wave input becomes crucial when testing digital circuits like flip-flops, counters, and registers. In this article, we’ll delve into constructing and operating an audio function generator utilizing the specialized integrated circuit, ICL8038. Notably, this audio function generator circuit offers not only sine and square waves but also triangle waves. Circuit Description and Operation of…

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Simple White Noise Generator Circuit

Simple White Noise Generator Circuit

A signal which contains almost all frequencies is called white noise. In an audio system white noise contains only audible frequency. The white noise of the electrical system is analogous to white light from optics, where white light contains all frequencies or colors. White noise is mostly used in the testing audio equipment like pre-amplifier, power amplifiers, filters, etc. Check out the article on Electrical noise | Types of Electrical Noise. So, today in this article we are going to describe a simple white noise generator circuit. This circuit can…

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10 Band Graphic Equalizer Circuit

10 Band Graphic Equalizer Circuit

This article is dedicated to those who want to make their high-quality low distortion 10 band graphic equalizer circuit. Before going to the circuit and it’s working let’s understand an equalizer and its types. An equalizer is simply a device that is attached to an instrument and with the help of this equalizer, we can set bass, middle, or treble. Sound or audio has a spectrum where frequencies are classified into different ranges. So, what are these bass, middle and treble? These are the range of frequencies, where the bass…

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Dual Microphone Preamplifier Circuit

dual microphone preamplifier circuit

The microphone is a transducer that converts sound signals to electrical signals. The output electrical signals are very weak ranging from 1 millivolt to 100 millivolts. Microcontrollers like Atmega328 (Arduino), PIC, STM, etc. cannot detect this signal effectively. Thus, we need an amplifier section. The project posted here is of dual microphone preamplifier circuit which amplifies lower electric output signals of the microphone and makes it suitable for microcontroller input. Checkout other microphone amplifiers and preamplifier circuits posted in bestengineeringprojects.com Dynamic Microphone Preamplifier Circuit Microphone Amplifier using Op-amp 741 IC…

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Best Audio Amplifier Circuit

best audio amplifier circuit

Electronics hobbyist love to design their own gadget which cam be used in our daily life. In the website Best Engineering Projects, we had published 100’s of such project which make life easy and sophisticated. In this post you will learn how to design your own Best audio amplifier circuit with premium specification. Specification of Best Audio Amplifier Circuits Output impedance of the circuit: 0.01Ω Frequency response i.e. working frequency: 20 Hz to 40 KHz Total harmonic distortion: 1.2% at 3W. Load or Speaker at output: 3Ω to 8Ω Description…

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Four Channel Audio Amplifier Circuit

four channel audio amplifier circuit

Single channel audio amplifier is readily available over internet, generally we combine multiple single channel amplifier in order to built multiple channel amplifier. But here in this post you will learn how to design four channel audio amplifier circuit using TDA1554Q IC. This type of circuit is very useful in sound lab, school, office etc. where we need multiple into and multiple output. Specification and Advantage of Four Channel Audio Amplifier Circuit Four input and four output port At load it provides 11W of power and at load it provide 6W…

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Stereo Amplifier Circuit Diagram

hybrid mono and stereo amplifier circuit

Stereo Amplifier Circuit Diagram we are going to design here is basically the combination of two mono audio amplifier. Portable and good audio amplifier is still a major concern to many electronic hobbyists and professional. People are still searching for good portable and battery-operated stereo amplifier. So, here in this article you will learn about designing of stereo amplifier using two audio amplifier IC. This stereo amplifier works with low voltage battery (4.5V, 6V) or even with a USB interface (+5V). In order to achieve above specification, we most design…

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10 Watt Audio Amplifier Circuit with Volume Control

10 watt audio amplifier circuit

An amplifier that only amplify audio frequency range (typically 20Hz to 20K Hz) and attenuates all other range frequency range is called an audio amplifier. So, here in this post you will learn about power amplifier IC and at last we will design a 10-Watt Audio Amplifier Circuit with Volume Control using power amplifier IC with the features of volume control. We had already posted various amplifier circuit you may like. 7-Watt Audio Amplifier using TBA810 10-Watt Audio Amplifier using Transistor 20-Watt Audio Amplifier using TDA2020 20-Watt Audio Amplifier using…

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Audio Signal Tracer Schematic

dual audio signal tracer schematic

Signal transmission can be quite troublesome sometimes. To ensure that the signal is passed through a defined distance, here we have presented an “Audio Signal Tracer Schematic”.  As mentioned in the title; ‘Audio Signal Tracer Schematic’, this project is implemented to troubleshoot audio signals transmission in electronic circuits and radio, etc. It comprises two loudspeakers being Audio Signal Tracer and is packaged into a small hand-held test probe. The only power source required by the circuit is a battery and thus is more useful. Amplitude-modulated signals can also be detected…

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Audio Distribution Amplifier Circuit using LM324

audio distribution amplifier circuit

Audio Distribution Amplifier is a circuit which transfer signal from one audio source to many output with a facility of appropriate amplification. The project published here is of Audio Distribution Amplifier Circuit using LM324 is shown in figure 1, which is basically a low cost, low noise amplifier designed using one of the most popular operational amplifier LM324. The circuit of audio distribution amplifier is combination of low noise input transistor amplifier and an op-amp in order to insure good characteristics. Circuit Description of Audio Distribution Amplifier using LM324 The circuit…

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