colpitts working in simulator but not real life.

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aragon1971

Joined Apr 7, 2008
142
Hi

i make an oscillator circuit ( colpitts) and the circuit work in multisim NI produce a sine wave with f=330 kHz
if i setup this circuit in bread board i some case not work ? what happen


thank
George
 

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Audioguru again

Joined Oct 21, 2019
6,758
Your "7z" photo does not open.
An old 2N2222 has many pin-outs. Then its collector are emitter are swapped causing the transistor to not work.
Use a modern transistor like a 2N3904 instead.
 

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