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Class AB Audio Amplifier - HACK A WEEK
http://hackaweek.com/hacks/class-ab-audio-amplifier/
Class AB Audio Amplifier. This week we’ll take a look at another type of audio amplifier, the class AB amp. As we saw in Hack #19 the class A amp has a transistor that is biased with a voltage that makes it essentially stay …
Audio amplifier | Hackaday.io
https://hackaday.io/project/182286-audio-amplifier
Following the power amplifier schematic: The digital part is based on Analog Devices ADAU1467 a 32bit/200MHz automotive audio processor, supporting up to 12 serial inputs and 12 outputs. In our case we will use 6 outputs - one for each amplifier channel - 4 inputs, two for the single ended input and 2 for the balanced, and the SPDIF input for ...
Amplifier | Hackaday
https://hackaday.com/tag/amplifier/
Another issue was that sending signals by connecting a GPIO pin to the REMOTE IN port of the amplifier worked, but had the side effect of causing the amplifier to no longer listen to the IR remote....
Stereo amplifier hack | WorldwideDX Radio Forum
https://www.worldwidedx.com/threads/stereo-amplifier-hack.259746/
Audio amps work with 20 Hz to 20.000 Hz frequencies, RF amps work with H.F frequencies from 1.6 to 30 MHZ, much higher in frequency and an audio amp is not made for that, transistors/fets are not made for that high frequency, not is the schematic laid out for RF amplification just Audio.
Know Audio: Amplifier Nuts And Bolts | Hackaday
https://hackaday.com/2021/08/24/know-audio-amplifier-nuts-and-bolts/
A Fully Digital Audio Amplifier: Class D Most Hackaday readers will be familiar with the idea of pulse width modulation, the act of varying the energy delivered to a load by sending it pulses with...
Audio Amp - Hackaday
https://hackaday.com/tag/audio-amp/
Dead simple and able to run off a 9-volt battery, the LM386 that has found its way into thousands of commercial products and countless hacks. Shortly after applying power to the amp, [B Arnold]...
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