Operation of BJT ,JFET ,MOSFET Flashcards
1
Q
Operation of NPN BJT
if no volts on base
A
Depletion layer at base emitter junction
No current flows
2
Q
Operation of NPN BJT
when can current flow
A
VBE=0.7 +
Base Emitter forward biased
3
Q
Operation of BJT
Formula IE
A
IE=IB+IC
4
Q
Operation of BJT
IE almost same as
A
IC
5
Q
Operation of BJT
HFE
A
HFE=IC/IB
6
Q
Operation of BJT
IC
A
IC=HFE*IB
7
Q
Operation of BJT
Power or Power rating
A
Power=VCE*IC
8
Q
Operation of BJT
IB
A
IB=IC/HFE
9
Q
Operation of BJT
Vin
A
Vin=VBE+(IB*RB)
10
Q
Operation of BJT
VCE
A
VCE=VCC-(IC*RC)
11
Q
VGS - MOSFET
A
Voltage Gate to Source
12
Q
ID - MOSFET
A
Current Drain to source
Under VGS and VDS
13
Q
IDSS - MOSFET
A
Max drain current under VGS=0v
14
Q
VP - MOSFET
A
Pinch off Voltage
Where voltage flattens out
15
Q
BVDSS - MOSFET
A
Max Drain to source Voltage Breakdown voltage
