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Without the transistor you would need vacuum tubes to accomplish the same thing. None of our inexpensive portable electronics would be possible using vacuum tubes.

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11y ago

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Why is it necessary to bias a transistor when it is to be used as an amplifier?

Biasing is necessary in a transistor circuit to keep the transistor working. Without proper biasing, the circuit will fail


Why do you consider it necessary to bias transistor?

Why do you consider it neccessary to bias transistor?


Why transistor is called so?

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


What is the voltage necessary to forward bias a transistor?

A silicon transistor needs about 0.65 v of forward bias on the base to begin to conduct.


Why transistor so named?

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


What are h parameters of a transistor?

Answerthe h parameter or the hybrid parameters of a transistor helps us to analyse the amplifying action of transistor for small signal .it is necessary for practical purposes.In generally there are four type of h parameter.these are :h11h12h21h22


Why a transistor is used as a amplifier and switch?

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


Why transistor is called transfer of resistor?

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.


What is emitter biasing?

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.


What is a driver transistor?

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


What is meant by saying at what current is transistor biased?

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.


What is Si transistor?

A silicon transistor is a transistor made of silicon.