OLED: Organic Light Emitting Diode
OLED: Organic Light Emitting Diode An OLED is a solid-state semiconductor made from a thin film of organic material that emits light when electricity is applied. OLED displays are similar…
What is Resistance?
Resistance Resistance is the property of a material by virtue of which it opposes the flow of electrons through the material. Thus resistance restricts the flow of electric current through…
PhotoDiode, working, Characteristics
PhotoDiode Definition: A photodiode is a P-N junction that is operated under reverse bias and when exposed to light energy, the normal reverse current of the diode varies due to…
Tunnel Diode – Working and Characteristics
Tunnel Diode Tunnel diode is a specially made p-n junction device which exhibits negative resistance over part of the forward bias characteristics. It has extremely heavy doping on both sides…
Zener Diode and it’s working
Zener Diode The Zener diode is a normal PN junction diode. But it is different from PN junction on the basis of doping and also on working principle. When Zener…
555 Timer and Its Applications
555 Timer and Its Applications The 555 timer is a linear IC, which works as a monostable multivibrator, an astable multivibrator, a Schmitt trigger, a function generator with output waveforms (such as…
Rectifier Basic, types & Comparison
Rectifier Basic Rectifier basic & its types are explained in this post - The rectifier is a device which converts the input AC signal into DC. The rectifier converts the…
MICROPHONE & its types
MICROPHONE & its types Microphone in short sometimes called mic or mike. A microphone is a transducer that converts sound waves into equivalent electrical signals of the same frequency and phase.…
Operational Amplifier (Op-Amp)
Operational Amplifier (Op-Amp) The popular name of operational amplifier is op-amp. The operational amplifier is an active device used to design circuits that perform useful operations. The main operation of…