In this article we are discussing a handful of mini audio amplifier circuit which can be built quickly for amplifying very tiny input signals into audible speaker outputs. 1 Watt […]
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How to Design MOSFET Power Amplifier Circuits – Parameters Explained
In this post we discuss various parameters that must be considered while designing a MOSFET power amplifier circuit. We also analyze the difference between bipolar junction transistors (BJT) and MOSFET […]
Op Amp Preamplifier Circuits – For MICs, Guitars, Pick-ups, Buffers
In this post we will learn a variety of preamplifier circuits, and there should be an appropriate layout here for almost any standard audio preamplifier application. As the name suggests […]
30 Watt Amplifier Circuit using Transistors
The three watt amplifier circuit discussed in the earlier post could be effectively upgraded into a 30 to 40 watt transistorized amplifier circuit, simply by adding a 2N3055 power output […]
5 Watt Stereo Amplifier Circuit with Bass Treble Controls
A complete, self-contained, small and compact Hi-Fi stereo amplifier circuit with bass, treble, volume control is presented in the following article. This small compact stereo amplifier can be used for […]
LM4862 Amplifier Circuit – A Better LM386 Alternative
The LM386 based amplifier is still very popular as one of the smallest sized amplifier chips. However, the LM386 is not perfect and has a few drawbacks and limitations. As […]