Computer History

Why transistor is called so?


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2010-02-19 06:41:29
2010-02-19 06:41:29

transistor. This word is a blended form of transfer of resistor. The legs of transistor (collector, emitter,base) transfer the resistance. So it is called as transistor


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the transistor is called as transistor because there is transfer of resistance from input to output .transfer resistance so it is transistor.

Transistor=Transfer+Resistor. When Transistor operates in active region its input resistance is high and output resistance is low. So,We can consider transistor as a device which transfers its resistance from high to low. And by this property transistor amplifies input signal.

For a bipolar junction transistor: * Emitter * Collector * Base For a field-effect transistor: * Drain * Source * Gate

Transistor stands for "Transfer Resistor". (Resistor of transference)

Transistor is called Bi-Polar device because the current can be flow due to electron and holes, hence it is called bipolar.

when transistor is subjected to an external power supply threw the biasing registors then it is called biasing. biasing is used to fix the Q-point of the transistor.

Because in this device the resistance between two terminal respectively collector and emitter is changed by changing the base voltage that is it transfers the resistance between emitter and collector therefore it is called as TRANSISTOR. (TRANSFER OF RESISTOR)

The types of dopant used are: p-type, n-type, p-type respectively.

When the out from a transistor is the exact replic of the input signal then it is called unmodulated signal i e. there will not be any change in frequency voltage power etc

transistor has 2 output 1 and 0 so can be used as a switch

beacause i dont know how to use pnp transistor so its better u also use a npn transistor. if you dont want to use a npn transistor then dont use a transistor. haha as simple as that. isn't it? " there is no charge for awesomness !!"

Emitter biasing is when you add a resistor between the emitter of a transistor and the 0v rail so that any voltage developed across the emitter will subtract from the voltage on the base and effectively turn the transistor OFF. We are talking about an NPN transistor and the transistor is an "ordinary transistor" or BJT (bi-polar Junction Transistor). For more information on transistor biasing see: Talking Electronics website.

if the arrow of emitter terminal is outwards is called npn transistor otherwise if the arrow of the emitter terminal of a transistor is inwards is called pnp transistor A/ On a diagram a NPN the arrow will indicate the current flow as the emitter a line is the base. An pnp will follow the same principle With a meter you may certify this principle by noting leads polarity

dirver transistor is added in a circuit so as to provide required voltage at an operating current which can not be provided by the microcontroller

the mos transistor have higher input impedence compared to that of a bjt transistor. And also from integration point of view mos transistors provides higher packing density compared to bjt. so ICs made by mos transistor can be more smaller.

Transistor is usually constructed using semiconductor elements. Semiconductor elements refers to partial conductors. They are neither full nor non conductors. that semiconductor elements may be called as transistor elements

What?In May 28, 1946, a survey conducted by Bell Labs offered “a discussion of some proposed names”Among them was "transconductance/transfer varistor".So the question repeats the common mistake that it was "transfer resistor".

The saying "at what current is transistor biased" means to ask the current through the transistor when there is no signal present. Typically, a transistor is biased at the center of its linear region, so as to minimize distortion. This, of course, depends on whether or not the transistor is AC or DC coupled, and where the clipping points might be.

A silicon transistor is a transistor made of silicon.

Even though it has only two types of charge carriers we will not call it as a diode but a transistor since it is a three terminal device.

In the switching transistor the output current is controlled by the (current) and this is also called current controlled current device (CCCD). But in ordinary switch we controlled output current physically...

Insulated gate field effect transistor

What is a 2N2369 transistor.It's an npn switching transistor.

I can give you several sentences.I bought a transistor radio.The transistor amplified the signal.We studied the transistor in science class.

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