How to build 4 Channel Portable Audio Mixer

If you want to build 4 Channel Portable Audio Mixer you able to follow these steps: High-quality modular design, 9V Battery powered - Very low current drawing


The target of this proje...

Easy way to build an audio mixer

If you aim to build audio mixer you able to following these steps. An audio mixer, also called a mixing console, is an electronic device for combining, and modifying audio signals. The modified aud...

LM741 Operational Amplifier

The LM74 devices are general-purpose operational amplifiers which feature improved performance over industry standards like the LM709. It is intended for a wide range of analog applications. The hi...

TIPD134 Test board for Analog, Active Crossover Circuit for Two-Way Loudspeakers

TIPD134 Test board for Analog, Active Crossover Circuit for Two-Way Loudspeakers  which is suitable for recording studios or home high-fidelity systems. The woofer signal pathway includes a lo...

What is Light-Emitting Diodes (LEDs) and how it works

LED  101—I
* 2 lead semiconductor device.
* Light emitting PN-junction diode.
    - Visible or infrared light.
* Has polarity.
* Recall diodes act...

What is Diode and How it Works

A diode is a 2 lead semiconductor that acts as a one way gate to electron flow. Diode •A diode is a 2 lead semiconductor that acts as a one way gate to electron flow. – Diode allows curr...

Circuit Design FM Radio Receiver with Digital Demodulation

In the past radio receivers were designed with  analog circuitry. This inherently has the same  problems that all analog circuits have. That is, they are susceptible to temperature variat...

Measuring Complex Impedance with Simple Circuit

Hope this article will help you how to measuring Complex Impedance with Simple Circuit? This article shows a method that can be used to measure complex impedance from audio frequencies to very high...

Measuring Input and Output Impedance

Do you want to know how to measure impedance? May this post will help you to find answer. Because Impedance is an AC property it cannot be easily measured like resistance. Connecting an Ohm meter a...

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