GATE ECE
Analog Circuits
Diodes
Previous Years Questions

## Marks 1

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_...
The output V0 of the diode circuit shown in the figure is connected to an averaging DC voltmeter. The reading on the DC voltmeter in Volts, neglecting...
The diodes D1 and D2 in the figure are ideal and the capacitors are identical. The product RC is very large compared to the time period of the ac volt...
Assume that the diode in the figure has on Von = 0.7V, but is otherwise ideal. The magnitude of the current i2 (in mA) is equal to __________....
In the circuit shown, assume that diodes D1 and D2 are ideal. In the steady-state condition the average voltage Vab (in Volts) across the 0.5 μF capac...
If the circuit shown has to function as a clamping circuit, which one of the following conditions should be satisfied for sinusoidal signal of period ...
For a given sample-and-hold circuit, if the value of the hold capacitor is increased, then
The figure shows a half-wave rectifier. The diode D is ideal. The average steady-state current (in Amperes) through the diode is approximately _______...
The diodes and capacitors in the circuit shown are ideal. The voltage v(t) across the diode D1 is ...
The circuit shown in figure is best described as a ...
For full wave rectification, a four diode bridge rectifier is claimed to have the following advantages over a two diode circuit: (1) less expensive tr...

## Marks 2

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 s...
The diode in the circuit given below has VON = 0.7V but is ideal otherwise. The current (in mA) in the 4kΩ resistor is __________. ...
In the circuit shown below, assume that the voltage drop across a forward biased diode is 0.7V. The thermal voltage Vt = kT/q = 25mV. The small signal...
In the circuit shown below, assume that the voltage drop across a forward biased diode is 0.7V. The thermal voltage Vt = kT/q = 25mV. The small signal...
A dc power supply has a no-load voltage of 30V, and a full-load voltage of 25 V at a full-load current of 1A. Its output resistance and load regulatio...
EXAM MAP
Joint Entrance Examination