PN junction Archives - Polytechnic Hub

Difference between active and passive components

There is the difference between active and passive components are given below table. Active components Passive components The active component is a device which can amplify the output signal of…

Technical Editor April 13, 2017

Electronics Articles

How zener breakdown is work?

The zener breakdown is occurs in PN junctions which are heavily doped. The heavily doped junctions have a narrow depletion region. The zener breakdown is observed in the zener diodes having…

Technical Editor April 13, 2017

Electronics Articles

What is the difference between avalanche breakdown and zener breakdown?

The difference between avalanche breakdown and zener breakdown are given below: Avalanche breakdown Zener breakdown It occurs in junctions which are lightly and have wide depletion widths.. It occurs in…

Technical Editor April 13, 2017

Electronics Articles

What is junction field effect transistor (JFET)?

The junction field effect transistors (JFET), is a type of field effect transistor (FET). They are three terminal unipolar solid state devices that can be used as voltage controlled resistors…

Technical Editor April 8, 2017

Electronics Articles

Construction of P-channel junction field effect transistor (JFET)

The construction diagram of P channel junction field effect transistor (JFET) is shown in above figure. Its construction is similar to the N channel JFET excepts that it consist of…

Technical Editor April 8, 2017

Electrical Articles

Construction of N-channel junction field effect transistor (JFET)

The construction of junction field effect transistor (JFET) is shown in above figure. The junction field effect transistor (JFET) in which the electrons as majority charge carriers due to this…

Technical Editor April 8, 2017

Electronics Articles

Avalanche photodiode

Avalanche photodiode is basically a PN junction diode which operates in the avalanche breakdown region. Its structure is similar to the PIN photodiode. It is a highly sensitive semiconductor electronic…

Technical Editor April 6, 2017

Electronics Articles

Difference between PN junction diode and photo diode

Following are the difference between PN junction diode and Photo diode: PN junction diode Photo diode The PN junction diode is operated in forward biased mode. The photo diode is…

Technical Editor April 4, 2017

Electronics Articles

V-I characteristic of unijunction transistor (UJT)

The unijunction transistor characteristic is shown in below figure, The emitter voltage VE is applied between emitter E and base B1. VE is positive with respect B1. Let increasing this…

Technical Editor March 23, 2017

Electronics Articles

What is a PN junction diode?

A P type semiconductor is suitably joined to on N type semiconductor under suitable condition by using a special technique to form a junction then the device constructed is a…

Technical Editor March 20, 2017