HP 50g User's Reference Manual
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Brand: HP
Category: Calculator
Type: Advanced user's reference manual
Model: HP 48gII , HP 49g+ , HP 50G
Pages: 693
5-50 Equation Reference
Solid State Devices (13)
Variable
Description
α
F
Forward common-base current gain
α
R
Reverse common-base current gain
γ
Body factor
λ
Modulation parameter
µ
n
Electron mobility
φ
p
Fermi potential
∆L
Length adjustment (PN Step Junctions), or
Channel encroachment (NMOS Transistors)
∆W
Width adjustment (PN Step Junctions), or
Width contraction (NMOS Transistors)
a
Channel thickness
Aj
Effective junction area
BV
Breakdown voltage
Cj
Junction capacitance per unit area
Cox
Silicon dioxide capacitance per unit area
E1
Breakdown-voltage field factor
Emax
Maximum electric field
G0
Channel conductance
gds
Output conductance
gm
Transconductance
I
Diode current
IB
Total base current
IC
Total collector current
ICEO
Collector current (collector-to-base open)
ICO
Collector current (emitter-to-base open)
ICS
Collector-to-base saturation current
ID, IDS
Drain current
IE
Total emitter current
IES
Emitter-to-base saturation current
IS
Transistor saturation current
J
Current density