lec4 diode applications
TRANSCRIPT
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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