| 
Characteristics | 
JFET | 
BJT | 
| 
Operation | 
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. | 
The Operation of BJT relies upon Holes and Electrons. This is why it   is called Bipolar Transistors. | 
| 
Input Impedance | 
High, Because its Input Circuit is Reversed Biased | |
| 
Device Dependency | 
Voltage Driven Device. | |
| 
Noise Level in Amplifier | 
Low, Because no Junction is Available for the conduction of current | 
High, Because Junction is Available for the conduction of current | 
| 
Fabrication | 
Easy | 
Difficult | 
Wednesday, 3 April 2013
Difference Between JFET and BJT
Labels:
Electronics
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