GATE ECE 2017 EC Q13: Diode circuits

In the figure, D1 is a real silicon

junction diode with a drop of 0.7 V under forward bias condition and D2 is a Zener diode with breakdown voltage of

V. The input

is a periodic square wave of period T, whose one period is shown in the figure.

Assuming

, where

is the time constant of the circuit, the maximum and minimum values of the output waveform are respectively

Your answerChoose one option.

7.5 V and −20.5 V

6.1 V and −21.9 V

7.5 V and −21.2 V

6.1 V and −22.6 V

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