what is the difference between zener diode n tunnel diode in
terms of their breakdown??????????

Answer Posted / shahid

A Zener diode is a type of diode that permits current to
flow in the forward direction like a normal diode, but also
in the reverse direction if the voltage is larger (not
equal to, but larger) than the rated breakdown voltage
known as "Zener knee voltage" or "Zener voltage".

A tunnel diode or Esaki diode is a type of semiconductor
diode which is capable of very fast operation, well into
the microwave region GHz, by utilizing quantum mechanical
effects.

Tunnel diode have a heavily doped p-n junction only some 10
nm (100 Å) wide. The heavy doping results in a broken
bandgap, where conduction band electron states on the n-
side are more or less aligned with valence band hole states
on the p-side

Is This Answer Correct ?    40 Yes 19 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What do you understand by voltmeter multiplier?

634


What Are The Advantages Of Spread Spectrum?

663


tell me about accenture

1863


As a water tank loses heat, the temperature drops by 2 K/min when a heater is on, the system gains temperature at 4 K/min. A two-position controller has a 0.5 min control lag and a neutral zone of ± 4% of the setpoint about a setpoint of 323 K. Plot the heater temperature versus time. Find the oscillation period

1836


Can Somebody tell me what should i do if i hadn't filled form for the next mahagenco exam for any new vaccency. if any one can provide me contact email to mail some one at mahagenco office, please mail me if any thing you can do on pratikgupta05yahoo.in

1910






hi i am sushil can anyone send me the previous year question paper for AAI(JR.excecutive,electronics)to my email kingston_s007@yahoo.com

1454


For the same order of doping, why does n-type semiconductor exhibit larger conductivity than p-type semiconductor?

703


draw the circuit diagram of a transistor frequency convertor using a tetrode transistor?

2163


Explain the Proportionates of Ordinary concrete,Standard concrete,High Stength Concrete of Grades "M10,M15,M20" , "M25,M30,M35,M40,M45,M50,M55" , "M60,M65,M70,M75,M80" Respectively.

1706


The magnitude of electrostatic force between two identical positive ions that are separated by a distance of 5.0 x 10– 10 m is 3.7 x 10–9 N. (a) What is the charge of each ion? (b) How many electrons are “missing” from each ion?

1663


How to Create the Node file with 2 E1 (4+4+4) & EDAP.

1460


WHAT IS THE DIFFERENCE BETWEEN PLC AND embedded systems

1701


What is transponder? Give the difference between transducer and transponder?

590


Why emitter is always forward biased?

675


what is call handover?

1828