Appunti Elettronica analogica sugli diode - Parte I

Appunti: Microelectronics (B. Razavi,

3 Diodo

Wiley 2014) Capitolo

Parte I

CONCEPT ENERGY

BANDGAP

OF 23 I

1,38

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s

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DONORSATOMS ELECTRONS

ND Mj cm

ASSUMPTION

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mi

m one

if

p Is DEFCON

mi p

m rain

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m

g

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CURRENT

g E

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DIFFUSION MECHANISISM d

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α

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CHARGE REGION 9

TO

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go If 300k

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AT CURRENT

EQUILIBRIUM DIFFUSION

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day up itfiieiiit.fi

iii

a v now

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VF TO

BIAS

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91

2 DIODE

THE

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CONSTANT MODEL

VOLTAGE

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ASSUMPTIONS

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WITH

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VX1 ID O Ix 0 To

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um

PRACTICAL CIRCUIT

DIODES

RECTIFIER

LIMITERS

VOLTAGE DOUBLER

SHIFTER

LEVEL