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Electronics Articles

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Posted inElectronics Articles

What is the effect of temperature on semiconductor parameters?

The most commonly used semiconductor parameters are intrinsic concentration, forbidden energy gap, mobility and conductivity. The effect of temperature on these parameters is discussed below. Intrinsic concentration (ni) : The…
Posted by Technical Editor August 21, 2017
Posted inElectronics Articles

Characteristics of class-B amplifier

There are some important characteristics of class-B amplifier which are given below, The operating point is located at or very near the collector cut off voltage. The collector current flows…
Posted by Technical Editor August 19, 2017
Testing of transformers
Posted inElectronics Articles

Testing of transformers

Following tests are carried out on the transformer to check weather it is good or bad. Winding resistance test : This test is carried out to reveal any open circuited…
Posted by Technical Editor August 18, 2017
Advantages and disadvantages of hall effect transducer
Posted inElectronics Articles

Advantages and disadvantages of hall effect transducer

There are some advantages of hall effect transducer which are given below, High speed operation over 100 KHz possible. Whereas at high frequencies the inductive or capacitive sensor output begins…
Posted by Technical Editor August 17, 2017
Temperature effect on extrinsic semiconductors
Posted inElectronics Articles

Temperature effect on extrinsic semiconductors

We already know that the addition of a small amount of donor or acceptor impurity produces a large number of charge carriers in an extrinsic semiconductor. In fact, this number…
Posted by Technical Editor August 17, 2017
Posted inElectronics Articles

Difference between analog storage and digital storage oscilloscope

Analog storage oscilloscope Digital storage oscilloscope The analog storage oscilloscope has higher bandwidth and writing speed. The digital storage oscilloscope has lower bandwidth and writing speed than analog storage oscilloscope.…
Posted by Technical Editor August 14, 2017
What are the properties of semiconductor?
Posted inElectronics Articles

What are the properties of semiconductor?

The conductivity of a semiconductor is less than that of a conductor but more than that of an insulator. Semiconductor have negative temperature coefficient of resistance i.e. the resistance of…
Posted by Technical Editor August 11, 2017
Two stage RC coupled CE amplifier
Posted inElectronics Articles

Two stage RC coupled CE amplifier

The RC coupling is the easy and most commonly used method of cascading of wideband amplifier or audio amplifier stages. The AC voltage signal developed across the collector load of…
Posted by Technical Editor August 10, 2017
Posted inElectronics Articles

Difference between PN junction diode and point contact diode

PN junction diode Point contact diode Its junction capacitance is low about 0.008 μF to 20 μF The barrier layer capacitance at the point is very low about 0.1 pF…
Posted by Technical Editor August 9, 2017
Posted inElectronics Articles

Features of 3-pin voltage regulators

There are some salient features of 3-pin IC voltage regulators which are given below, It has built-in all protection circuits. It does not require any feedback connections. It does not…
Posted by Technical Editor August 9, 2017

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