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Given that capacitance w.r.t the input node is 2pF and output node is 4pF, find capacitance between input and output node.(a) 0.67 pF(b) 1.34pF(c) 0.44pF(d) 2.2pFThis question was posed to me in an online quiz.I want to ask this question from Low Frequency Response and Miller Effect Capacitance in portion Transistor Frequency Response of Analog Circuits |
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Answer» RIGHT option is (a) 0.67 PF The best EXPLANATION: C1=C(1-K), C2=C(1-K^-1) C1=2pF C2=4pF C1/C2=1/2=1-K/1-K-1 K = -2 C1 = C(1+2) = 3C C = C1/3 = 2/3pF = 0.67 pF. |
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