Technical Editor, Author at Polytechnic Hub

Applications of potentiometer

There are some applications of potentiometer are given below: The potentiometer is used as a voltage divider in the electronic circuit. The potentiometer is used in radio and television (TV)…

Technical Editor April 7, 2017

Electronics Articles

Difference between N-channel JFET and P-channel JFET

Following are the N-channel JFET(junction field effect transistor) and P-channel JFET . N-channel JFET P-channel JFET The current conduction takes place due to electrons. The current conduction takes place due to holes.…

Technical Editor April 7, 2017

Electronics Articles

Classification of amplifiers

The amplifiers are may be classified as under, According to input signal Small signal amplifier. Large signal amplifier. According to coupling methods Inductance coupled (LC) amplifier. Resistance capacitance (RC) coupled…

Technical Editor April 6, 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

Electrical Articles

Advantages and disadvantages of avalanche photodiode

There are some important advantages of avalanche photodiode are given below, The main advantage of the avalanche photodiode is it has a greater level of sensitivity. There are some important…

Technical Editor April 6, 2017

Electronics Articles

Potentiometer

What is a potentiometer? The potentiometers are variable linear resistors that deliver an output voltage representing some function of an applied voltage and shaft position. The smaller variable resistors commonly…

Technical Editor April 5, 2017

Electronics Articles

How amplifier is work?

Amplifier is an electronic circuit which produces a large electrical output of similar characteristic that of the input parameters. Amplifier is an electronic device which increases the power of a…

Technical Editor April 5, 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

How does crystal oscillator work?

A crystal oscillator is basically a tuned oscillator. It uses a piezoelectric crystal as a resonant tank circuits. It is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal of piezoelectric material to create…

Technical Editor April 4, 2017

Electronics Articles

Application of field effect transistor (FET)

There are some application of field effect transistor (FET) are given below, Field effects transistors (FETs) are used in mixer circuits to control low inter modulation distortions. FETs are used…

Technical Editor April 4, 2017