Audio power amplifier
Posted on Dec 27, 2012
New Circuits
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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Although many circuits use the varying-capacitance method for checking liquid levels, this simple...
Detection of line-current flow and indicating the flow to an electrically remote point is...
100 W output at 50 MHz is available from this circuit. Ul and Q2 form a T-R relay driver,...
An efficiency of around 85 % and a power output of more than 200 watts is what you will get from...
How to get an LED-Wiz to control pinball solenoids. Rottendog Amusements makes modern replacement...
This is a design schematic of a Crystal Colpitts oscillator can be implemented using a transistor...
Cell phone jammer is an electronic device that blocks the transmission of signals between the...
An audio cross-over network is used inside a speaker to separate or filter audio signals of...
The objective of Linkwitz` article was to reduce distorted spatial reproduction when listening to...
With hv insulation inside ie polystyrene. If you put ferrite in it could be a way to reduce the...
An electric fence, perimeter protection circuit, designed to run on batteries, and provide...
I am posting here a circuit example for interfacing RF module using HT12E/D encoder decoder pair....
Every cheap energy-saving lamp has a self-resonant voltage inverter inside. They are designed for...
In the Hartley circuit (Fig. 14 B), the amplified energy of the plate circuit is fed back to the...
This is a very sensitive envelope detector for AM radio. The circuit (see Fig. 1) provides linear...
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