555 make use of digital amplifier circuit diagram


Posted on Mar 28, 2007

Also known as digital amplifier Class-D amplifier with small size, high efficiency characteristics. Here are a circuit made easy with 555 Class D amplifier. It is the use of ci


555 make use of digital amplifier circuit diagram
Click here to download the full size of the above Circuit.

rcuit 555 constitute a controllable multivibrator, an audio signal input to the control terminal to obtain a pulse width modulated signal (as shown), to meet the basic requirements for general listening. By the IC 555 and R1, R2, C1 and other components 100KHz controlled multivibrator 50% duty cycle, control the input audio signal terminal 5 feet, 3 feet will get the pulse width of the input signal amplitude is proportional to the pulse signal by L, C3 to answer the call, push the speaker after filtering.




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