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A prototype is an early sample, model, or release of a product built to test a concept or process or to act as a thing to be replicated or learned from.

LM1875 Based Simple Amplifier

LM1875 Based Simple Amplifier

LM1875 is a low cost and very popular and useful integrated circuit (IC). It is designed to be stable with gain higher than ten. Its main application is stand alone audio...

Transistorized Microphone Preamplifier With Band Pass Filter

Introduction The signal from most of the microphones should be amplified before to be send to the interconnection cables. In order to reduce the noise of the amplifier the bandwidth of the signals...

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