A crystal radio receiver, often known as a crystal set, is a simplest form of radio receiver that was widely used in the initial periods of radio. A crystal radio […]
22 Watt Stereo Amplifier Circuit using TDA1554
The IC TDA1554 based Amplifier circuit discussed in this article can provide up to 22 watts per channel into a couple of four-ohm loudspeakers. The main attraction is that you […]
Power Amplifier Circuit using IC 741 and MOSFET
In this post we study a power amplifier design configured using an ordinary IC 741 and a couple of MOSFETs. An operational amplifier’s output power such as from an IC […]
Echo Effect Generator Circuit
In this post we discuss a circuit which can be used for transforming an ordinary music into a music with depth and echo effects. Generating an echo effect electronically involves […]
Parametric Equalizer Circuit
In this post we talk about a parametric equalizer circuit which can be used to enhance a music output to outstanding levels, much better than any standard graphic equalizer output. […]
Listen to Wildlife and Insects with this Circuit
In this post we discuss a simple circuit idea which can be used for listening to the amplified sounds of insects and bugs in gardens, trees, or any deserted, quite […]