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Resistors
Resistor is an electrical component, which has been manufactured with a specified amount of a resistance. A passive component which offers opposition to the flow of current is called as…
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Difference between Voltage amplifier and Power Amplifier
Voltage Amplifier Power Amplifier In voltage amplifier the amplitude of input A.C signal is small. In power amplifier the amplitude of input A.C signal is large. In voltage amplifier the…
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Capacitor
The capacitor is an electrical component used to store charge. A capacitor consists of two conducting plates separated by a dielectric. Capacitor has a properly to block d.c current and…
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Advantage & disadvantage of LED
The advantages of LED are some of given below: It has long life compared to lamps. It has low voltage operation, making them compatible with integrated circuits. LED are ideal…
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Yagi – antenna
The yagi antenna or yagi-Uda antenna is a high frequency antenna which is used to receive TV signals in very high (VHF) frequency range. It is commonly used in communication…
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Field effect transistor (FET)
What is mean by FET? FET stands for Field Effect Transistor. The FET is a three terminal unipolar solid state device in which the current is by an electric field…
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Satellite communication
What is a satellite communication? A satellite communication is microwave repeater. In satellite communications, signal transferring between the sender and receiver is done with the help of satellite. Collect…
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Types of bipolar junction transistor
There are two types of Bipolar Junction Transistor (BJT) are given below; NPN bipolar junction transistor. PNP bipolar junction transistor. NPN Bipolar Junction Transistor In NPN transistor the current is…
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Specification of transistor
There are many specification of transistor,some of below: Collector-base voltage (VCB) is the maximum voltage that can be applied across the base and collector of a transistor. Collector-emitter voltage (VCEO)…
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RADAR System
RADAR is stands for Radio Detection And Ranging. RADAR system operates in microwave frequencies range. In RADAR system high frequency and high power sinusoidal signals is transmitted. If there is…