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Which parasitic capacitors don’t affect the frequency response of the C.B. stage of the B.J.T.?(a) None of the parasitic capacitances(b) All the parasitic capacitances(c) Some of the coupling capacitors(d) Ccs and CbThis question was posed to me in an international level competition.My question is based upon Effect of Various Capacitors on Frequency Response topic in section Transistor Frequency Response of Analog Circuits

Answer»

Correct answer is (B) All the parasitic capacitances

Best explanation: All the parasitic capacitors of a B.J.T. affect the C.B. STAGE. None of the parasitic capacitors GETS deactivated and they end up BEHAVING as a pole during the frequency response of the C.B. stage.



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