Gunn diode is made of -
Gallium Arsenide
Based on the properties required for a Gunn diode's operation (specifically the transferred electron effect leading to negative differential resistance), Gallium Arsenide is the standard and most widely used material. Among the options provided, Gallium Arsenide is the material that possesses the necessary characteristics for this device to function as intended, particularly as a microwave generator or amplifier.
Important Questions from Diodes and Its Applications
Which of the following statements is FALSE about LED lamps?
A Zener diode is used in _______ for voltage regulation.
Which of the following diodes can be used as Voltage Regulator if used in reverse bias?
What is it called when a diode exceeds the reverse voltage and then it fails and passes more current in the reverse direction?
Determine the resonant frequency of an IMPATT diode having the following specifications:
Carrier drift velocity: 2 × 107 cm/s
Drift-region length: 5 μm
Maximum operating voltage: 100 V
Maximum operating current: 250 mA
Efficiency: 20%
Breakdown voltage: 90 V
