Basic ELECTRONICS

(2+1)ENGR MUHAMMAD SHAKEEL AKRAM

ELECTRONICS ENGINEERING FICT, BUITEMS.

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CHAPTER 2

DIODE APPLICATIONS

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DC POWER SUPPLY

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HALF WAVE RECTIFICATION

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HALF WAVE RECTIFICATION

Average voltage (Vavg)• Vavg is the area under the curve

Vp = Peak voltage

Effect of barrier potential on o/pVp(out) = Vp(in) – 0.7 v

Peak inverse voltage (PIV)• Diode must be capable of withstanding this amount of

repetitive reverse voltagePIV = Vp(in)

VAVG =

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HALF WAVE RECTIFICATION

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HALF WAVE RECTIFICATION

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HALF WAVE RECTIFICATION

Transformer couplingVsec = n VpriVp(out) = Vp(sec) – 0.7 VPIV = Vp(sec)

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HALF WAVE RECTIFICATION

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FULL WAVE RECTIFICATION

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FULL WAVE RECTIFICATION

Vavg =

Vout =

PIV = Vp(sec) – 0.7

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FULL WAVE RECTIFICATION

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BRIDGE FULL WAVE RECTIFICATION

Vp(out) = Vp(sec) -1.4

PIV = Vp(sec) – 0.7

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FULL WAVE RECTIFICATION

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