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Posts tagged What is Speaker Protection Board?

Loudspeaker Protection Circuit is really simple

Loudspeaker Protection Circuit is really simple, but the function Loudspeaker Protection Circuit is very important, because the Loudspeaker Protection will provide protection to Loudspeaker and other component. Because if the DC current flowing to the speakers must be disconnected as soon as possible. There are several issues that need to be resolved to ensure that […]

low pass audio filter circuit

low pass audio filter circuit low pass audio filter circuit Using NE5534, TL074, A1015, B507, A671, C1815, D313, C1061, TL072, LF347N low pass audio filter circuit low pass audio filter circuit

Simple Audio Circuit

Simple Audio Circuit using LM386

Amplifier Circuit

Amplifier Circuit using LA4505 Amplifier Circuit using LA4505

Circuit HAMCOMM MODEM

The program only needs a simple “infinite gain” circuit to square off the input tones so that they can be read by the serial port. This is achieved using a 741 operational amplifier. The basic circuit of the unit is given below. The RS232 pins are given for a 9-pin serial port. A 25-pin port […]

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