A bench amplifier is a small test amplifier which includes basically all the features that are required for testing the performance of an input audio signal. It can be also […]

The post explains how to configure a couple of LM380 ICs in the bridged format to create an output power that’s two times more or double of a single IC […]

In this post we learn how to build a simple 70 + 70 watt stereo power amplifier circuit using transistors. The entire design along with power supply and PCB layouts […]

In this post we will discuss a few high frequency RF converter and preamplifier circuit designs which can be used for amplifying or enhancing the reception of an existing RF […]

Audio amplifiers which are designed to amplify an analogue audio signal through pulse width modulation or PWM processing and with adjustable duty cycle is known by many names including digital […]

This 100 watt Guitar amplifier circuit can be used mainly for amplifying guitar sound and also a public address systems. To test its ruggedness, the unit is designed without any […]