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NPN transistor audio amp

Jeanguypataterubberboot

Jul 9, 2013
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Is there a way to wire a npn transistor using a speaker and a function generator. I'm trying to get my power supply to provide the power and the function generator to provide a 1 khz tone. I'm just doing this to better understand how to use transistors. Any help is appreciated thanks.

Pierre
 

Alec_t

Jul 7, 2015
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Googling "one transistor amplifier" will get you lots of circuits to look at.
 

Harald Kapp

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Nov 17, 2011
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Or read our resource and this one.
The first one tells you how to use an NPN trransistor as a switch. Replace the load (motor) in th eexamples by the speaker et voilá.
Or dive a bit deeper into the theory with the second resource.
 
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