Gunn diode is a: Negative resistance device.
Description : Draw the constructions of Gunn diode and explain its working.
Last Answer : Construction: When a dc bias of value equal or more than the threshold field (of about 3.3kV/cm) is applied to an n-type GaAs sample, the charge densities and electric field within ... device. The fundamental frequency in MHz is given by: drift velocity and L=device length in µm.
Description : How do you feel about James Gunn being rehired by Disney to direct Guardians of the Galaxy 3?
Last Answer : I think the firing was an overreaction. People should be allowed to mistakes. It shouldn’t ruin their prospects for life. I’m glad to see they’ve gotten over the hysteria.
Description : What characteristic of a gunn oscillator is inversely proportional to the transit time of the domain across the semiconductor?
Last Answer : The frequency.
Description : Suggest the diode material suitable to rectify 0.5V AC signal.
Last Answer : The diode material suitable to rectify 0.5V AC signal is silicon
Description : Draw symbols of zener diode and LED.
Last Answer : Symbol of zener diode : Symbol of LED
Last Answer : 10 ohm
Description : The following is not an application of varactor diode: a) Parametric amplifier b) Frequency tuner c) Voltage controlled oscillator d) Phase shifter
Last Answer : The following is not an application of varactor diode: a) Parametric amplifier b) Frequency tuner c) Voltage controlled oscillator d) Phase shifter
Description : A light emitting diode (L.E.D.) can be made from:
Last Answer : Different compound use to get various colors Ex:- GaAs (gallium arsenide) > infared GaAsP (gallium arsenide phosphide) > Red, gallium(III) phosphide > green, InGaN (Indium gallium nitride) > Blue
Description : A single-phase full-bridge diode rectifier delivers a load current of 10A, which is ripple free. Average and rms values of diode currents are respectively (a) 10A, 7.07A (b) 5A, 10A (c) 5A, 7.07A (d) 7.07A, 5A
Last Answer : A single-phase full-bridge diode rectifier delivers a load current of 10A, which is ripple free. Average and rms values of diode currents are respectively 5A, 7.07A
Description : Which diode exhibits negative resistance characteristic? (A) LED (B) Zener (C) Tunnel diode (D) PN diode
Last Answer : Which diode exhibits negative resistance characteristic? (A) LED (B) Zener (C) Tunnel diode (D) PN diode
Description : A PIN diode is: (1) A metal semiconductor point-contact diode (2) A microwave mixer diode (3) Often used as a microwave detector (4) Suitable for use as a microwave switch
Last Answer : A PIN diode is: Suitable for use as a microwave switch.
Last Answer : A Zener diode is operated in the Breakdown Region
Last Answer : A Zener diode is operated in the Reverse bias around the knee of breakdown region mode as a voltage stabilizer.
Last Answer : Avalanche break down in a semiconductor diode occurs when Reverse bias exceeds a certain value
Description : How can you identify a zener diode?
Last Answer : It conducts current in either direction.
Description : How do we test a diode?
Last Answer : test
Last Answer : Applications of zener diode are : Zener diode can be use for voltage regulator. Zener diode can be use for clippers or limiters. Zener diode can be use for overvoltage protection. Zener ... reference. Zener diode can be use as transistor regulator. These are some applications of zener diode.
Description : What is the depletion region of a diode?
Last Answer : During the fussion In diode the some hole and electrons from both side created one layer at middle Its width increase when diode is in reverse bias conditions And decreased in.forward bias conditions.
Description : How much time a diode takes to switch ON in forward bias condition.
Last Answer : t=0 sec.
Last Answer : In Reverse bias of diode when the cathode is connected to positive and anode is connected to negative very small current flows this very small current is known as leakage current of diode.
Last Answer : Diode conducts when the anode voltage is greater than the cathode voltage.
Last Answer : Diode have two terminals.
Description : What is diode?
Last Answer : Diode (1) a two-terminal device that permits the flow of electric current in only one direction. Diodes are most often constructed by abutting n-type and p-type regions of a semiconductor, ... power applications (rectifier diodes). (2) a two terminal device that conducts in only one direction.