= Microphone
{wiki}
\Video[https://www.youtube.com/watch?v=y3KSEteq3fU]
{title=Testing and Circuit for a <Condenser microphone> by RSD Academy (2018)}
{description=
Not very numerical, but shows a simple working <breadboard> circuit and an oscilloscope. He whistles with his mouth to get a pretty pure frequency.
That type of microphone requires a <bias voltage>. The circuit is in <Ciro's ASCII art circuit diagram notation>:
``
DC_9---R_10k--+--MICROPHONE--+--G
| |
+-------V------+
``
}
\Video[https://www.youtube.com/watch?v=d7m4JZ9kiYs]
{title=Soundwaves on an <oscilloscope> by Animated Science (2015)}
{description=Dude speaking to microphone. Some analysis of how different sounds look like. No circuit diagram.}
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