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555 Timer PWM Audio Circuit Diagram

Circuit Everyday

Published on 2020-10-23

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1. Introduction

The ubiquitous 555 timer IC processes audio signals in its own pulse width modulation (PWM) mode.The 555 IC works in unsteady mode here.The switching frequency can vary from 65 kHz to 188 kHz.The selection of PWM frequency depends on the amplitude of input signal and load impedance.By tuning VR1, comfortable listening and low audio distortion are ensured.

2. What is a Circuit Diagram

A circuit diagram shows how electronic components are mounted to achieve the target product. A circuit symbol represents every component on the circuit board diagram. These days, printed circuit board diagrams are becoming popular. These boards are made of insulating and highly heat-resistant insulating materials such as fiberglass. They are made of single to multiple layers. Let's learn more about the circuit board diagram.

3. How to Create a Circuit Diagram

Creating a circuit diagram in EdrawMax Online is pretty simple. The free circuit diagram maker has several features, like directly importing the data from the .csv file or creating one from scratch using free templates.

Step 1: Login EdrawMax Online

Log in EdrawMax Online using your registered email address. If this is your first time accessing the tool, you can create your personalized account from your personal or professional email address.

Step 2: Choose a template

EdrawMax comes with hundreds of free circuit diagram templates. Select a pre-designed template from the product based on your preference or need by selecting the ""Education"" on the left navigation pane. It will open up several circuit diagram types, like T-chart, main idea diagram, and more. Alternatively, press ""+"" in EdrawMax Online canvas to create a circuit diagram from scratch.

Step 3: Customize the diagram

Customize your circuit diagram by changing the symbols and shapes as required. With the easy drag-and-drop feature of EdrawMax Online, you can use all the relative elements from libraries.

Step 4: Export & Share

Once your circuit diagram is completed, you can share it amongst your colleagues or clients using the easy export and share option. You can export a circuit diagram in multiple formats, like Graphics, JPEG, PDF, or HTML. Also, you can share the designs on different social media platforms, like Facebook, Twitter, LinkedIn, or Line.

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