Characteristics
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JFET
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BJT
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Operation
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The Operation of JFET is dependent on the Flow Of Majority Carriers. i.e. Holes in P-Channel JFET and Electrons in N-Channel JFET. This is the reason why it is called Unipolar Transistor.
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The Operation of BJT relies upon Holes and Electrons. This is why it is called Bipolar Transistors.
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Input Impedance
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High, Because its Input Circuit is Reversed Biased
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Device Dependency
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Voltage Driven Device.
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Current Operated Device.
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Noise Level in Amplifier
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Low, Because no Junction is Available for the conduction of current
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High, Because Junction is Available for the conduction of current
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Fabrication
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Easy
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Difficult
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Wednesday, April 3, 2013
Difference Between JFET and BJT
Labels:
Electronics
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