GATE EE 2022 Set 1 — Question 25
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Analog & Digital Electronics → Diode Circuits → Clipping & Clamping
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Question
For the circuit shown below with ideal diodes, the output will be
Correct answer
(A) Vₒᵤₜ = Vᵢₙ for Vᵢₙ 0
Solution
When , the top terminal is positive and the bottom terminal is negative. Diode is forward-biased and is forward-biased (since its cathode is connected to the negative terminal). Thus, the circuit is closed and . When , the top terminal is negative, making reverse-biased. No current flows through , so . Therefore, for is the correct description among the choices.
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