PN junction Archive

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 electronic circuit with more power in it

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 breakdown voltage is less than 5V or

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 junctions which are heavily doped and have

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 or electronically controlled switch. An N-type JFET

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 a P type silicon bar with two

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 only current conduction takes place is known

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 device that utilizes the photo electric effect

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 operated in reverse biased mode. It is

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 voltage from zero. The P-N junction is

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 PN junction diode semiconductor diode. The PN
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