Source: /cirosantilli/amplifier

= Amplifier
{wiki}

= Amplification
{synonym}

Main implementations: the same as <electronic switches>: <vacuum tubes> in the past, and <transistors> in the second half of the 20th century.

\Video[https://www.youtube.com/watch?v=4ObzEft2R_g]
{title=How to make an LM386 audio amplifier circuit by Afrotechmods (2017)}
{description=Builds the circuit on a <breadboard> from minimal components, including one discrete <transistor>. Then plays music from phone through headset cables into a <speaker>.}