finals-BJT & FET Flashcards
Two types of charge carriers in BJT
majority and minority charge carriers
‘n’ and ‘p’ carriers respectively in _______
npn transistor
‘p’ and ‘n’ carriers respectively in _______
pnp transistor
Control the flow of majority charge carriers by controlling minority charge carriers
BJT
Current Operating device:
Ib controls flow of Ic/Ie
_____ is the storage of charge carriers in the _______
BJT, base region
Bigger in size compared to FET
BJT
Temperature sensitive and more Noisy
BJT
Low input impedance but more power consumption
BJT
Not suitable for VLSI ICs
BJT
it Limits the speed of operation
BJT
The ordinary or bipolar transistor has 2 main disadvantages:
1) low input impedance
2) considerable noise level
To overcome the problem of BJT, FET is introduced because of 3 reasons:
1) High input impedance
2) Low noise level than ordinary transistor
3) JFET is a type of FET
a unipolar device
FET
FET involve only one type of charge carriers; ______ in its operation.
‘n’ or ‘p’
