SEMICONDUCTOR

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SEMICONDUCTOR

Physics

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16 Terms

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2 SPECIAL PURPOSE DIODES

Photo diode , solar cell

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Base=?

emitter - collector

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purspose of filter capacitor

to remove ripple or ac component

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biasing method for operating transistor as amplifier

emitter-base junction =forward bias
collector base junction=reverse bias

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current amplification factor

B

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rectification

converting AC voltage to DC

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Advantages of photodiode

High speed
light weight and compact

low cost
quick response to light


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disadvantages of photodiode

temperature dependent

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Advantages of full wave rectifier

  1. utilizes both cycles.

  2. higher efficiency

  3. less ripple

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