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BJT Transistors help

kleanthisky
By kleanthisky
in Hobby Electronics
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Hi,

im studying about electronics and im kind of stuck at the theory of bjt transistors.

 

can I use the formulas Ic = a*Ie and Ic = β*Ib at any assembly (common base,emmiter,collector) or each one is for a specific circuit?

 

thanks in advance

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It depends on how the transistor is wired up, whether its common base, common emitter, or common collector. Read more here: http://www.electronics-tutorials.ws/transistor/tran_1.html

 

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