What is an electronic amplifier?
An electronic amplifier is a system which increases the tension and\or the intensity of an electric signal. By considering the existence of a perfect amplifier, this one would not deform the input signal, and its release would be an exact retort of the same frequency but amplified and disorientated.
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We use the electronic amplifiers almost in all the electronic circuits: they let to bring up an electric signal towards a readable tension by the rest of the system. |
| Un amplificateur Hi-Fi à tubes. |