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The disadvantage of using the method of reverse biasing base emitter junction is_________

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The disadvantage of using the method of reverse biasing base emitter junction is_________

(a) high voltage control signal

(b) low voltage control signal

(c) output swing

(d) incomplete switching of output

This question was addressed to me in homework.

This intriguing question comes from Transistor Switching Times topic in portion Transistor Characteristics of Electronic Devices & Circuits

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Right option is (d) incomplete switching of output

Best explanation: This method is used to quickly switch off a transistor is by reverse biasing its base to collector junction. It is demonstrated in a high voltage switching circuit. The disadvantage of using the method of reverse biasing base emitter junction is that the output does not switch completely to GND due to forward voltage drop of the diode.

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