The other day I decided to try and build a simple one transistor amplifier.
This is the circuit; and the transistor used was the BC546A.
I input a 20mV 10KHz sine wave test signal to the the input stage of the transistor amplifier.
This shows the original signal (top) and the amplified signal (bottom).
The input measured ~20mV and the output measured ~1.75V according to the scope.
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