1
GATE ECE 2023
+2
-0.67

In the circuit shown below, D$$_1$$ and D$$_2$$ are silicon diodes with cut-in voltage of 0.7 V. $$\mathrm{V_{IN}}$$ and $$\mathrm{V_{OUT}}$$ are input and output voltages in volts. The transfer characteristic is

A
B
C
D
2
GATE ECE 2022
Numerical
+2
-0.67

A circuit and the characteristics of the diode (D) in it are shown. The ratio of the minimum to the maximum small signal voltage gain $${{\partial {V_{out}}} \over {\partial {V_{in}}}}$$ is __________ (rounded off to two decimal places).

3
GATE ECE 2016 Set 2
Numerical
+2
-0
The figure shows a half-wave rectifier with a 475 µF filter capacitor. The load draws a constant current I0= 1 A from the rectifier. The figure also shows the input voltage Vi , the output voltage VC and the peak-to-peak voltage ripple on VC.The input voltage Vi is a triangle-wave with an amplitude of 10 V and a period of 1 ms.

The value of the ripple u (in volts) is ______________.

4
GATE ECE 2015 Set 2
Numerical
+2
-0
The diode in the circuit given below has VON = 0.7V but is ideal otherwise. The current (in mA) in the 4kΩ resistor is __________.