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LAPTOP AUDIO AMPLIFIER - Electronics For You
https://www.electronicsforu.com/electronics-projects/laptop-audio-amplifier
Here is a simple circuit to amplify the laptop’s audio output. The circuit is built around power amplifier IC LA 4440 (IC1) and a few other components. LA4440 is a dual channel audio power amplifier. It has low distortion over a wide range of low to high frequencies with good channel separation.
Computer Audio Amplifier Circuit with Preamplification
https://circuits-diy.com/computer-audio-amplifier-circuit-with-preamplification/
Circuit Diagram Working Explanation The IC TDA7056 is a 3 Watt audio amp IC. Moreover, the total quiescent current of the IC is as low as 5mA to 7mA. But here the audio amplifier has a preamplifier. Preamplification is carried out by the transistor 2N4401. The weak audio signal from the computer goes from a stereo plug into the amplifier circuit.
Audio Amplifier Circuit - Electrical and Computer …
https://web.ece.ucsb.edu/Faculty/rodwell/Classes/ece2c/labs/Lab%201a%20-%202C%202007.pdf
In the first part of lab#1 you will construct a low-power audio amplifier/speaker driver based on the LM386 IC from National Semiconductor. The audio amplifier will be a self-contained, battery-operated component. In the second part of the lab you will construct a microphone circuit using a compact electret condenser microphone cartridge.
The Simplest Audio Amplifier Circuit Diagram
https://www.build-electronic-circuits.com/amplifier-circuit-diagram/
Connect the circuit diagram as in the one marked with “Amplifier with Gain = 20” and you get 20-fold the signal. If you need exactly 6, you can play a round with the resistance on the input. For splitting the signal, you can use resistors for basic splitting. Google “signal splitter circuit” to see some examples.
Audio Amplifier Circuits and Projects
https://www.electroschematics.com/tag/audio-amplifier-circuits/
TDA7294 Audio Amplifier Circuits P. Marian - 01/07/2013 TDA7294 is a monolithic integrated circuit in Multiwatt15 package, with high output power (up to 100W) intended for [...] TDA2030 Audio Amplifier Circuits P. Marian - TDA2030 is a monolithic integrated circuit in Pentawatt package, intended for use as a low frequency class AB [...]
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