Send this PWM signal to a MOSFET or something, and you have the simplest class D amp in existence. They’re so simple, you can buy a class D amp chip for $3, but [George] thought that would be ...

Send this PWM signal to a MOSFET or something, and you have the simplest class D amp in existence. They’re so simple, you can buy a class D amp chip for $3, but [George] thought that would be ...

PWM stands for Pulse Width Modulation, which is a type of signal used to control electronics. When it comes to PC fans, they run at a constant 12V, which never changes. However, PWM can turn the ...