Solve BJT Transistor Q Point Using Thevenin Theorem

Dominik · Apr 18, 2022

Hello,

I need help with this bjt transistor and finding the Q point. The problem I have is that I don't know how to do the thevenin theorem on this one. If someone could help me and show me how its done that would be great. Thank you!
The transistor looks like this on the picture:

Handwritten-style problem sheet with a BJT amplifier circuit: source Ug with Rg and R2 at the base, R1 and R2 as bias divider, Rc at collector, Re and Re bypass branches at emitter, load Rp coupled through a capacitor, Ucc supply at top.

This is my attempt at doing it but don't know if its correct:

Handwritten notes on grid paper deriving Thevenin equivalent for a BJT bias network: R_Th = R1||R2, V_Th = Vcc R2/(R1+R2), with transistor circuit schematics showing Vcc, Rc, Re, R1 and R2.

berkeman · Apr 18, 2022

Thanks for the very high quality image of your work @Dominik (not) -- Could you please try again? Thanks.

Solve BJT Transistor Q Point Using Thevenin Theorem

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