Electronic circuit, componnent data, lesson and etc….

This is about Electronic hobby circuit, some of the most useful component data, technical information, electronic software, and electronic lesson.

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The real voice filter

use this simple circuit betveen amplifier stage and pre-amplifier stage. feel the difference this is real effective.

Low cost more useful power amplifier using LM386

The LM386 is a power amplifier designed for use in low voltage consumer applications. Features Battery operation Minimum external par...

Stereo preamplifier using LM381

Low Noise Dual Preamplifier The LM381/LM381A is a dual preamplifier for the amplification of low level signals in applications requiring ...

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