ee481Lecture4 - Note /T 2 where ) cos( r p L D r p L av r p...

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RIT Professor Bowman 1 Lecture 4 – Diode Circuits • Rectifier Circuits • Limiting and Clamping Circuits
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RIT Professor Bowman 2 Diode as a Rectifier
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RIT Professor Bowman 3 Import Use of Diode Rectification The DC Power Supply Transformer, secondary, ripple, diode PIV, diode IDmax
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RIT Professor Bowman 4 Half Wave Rectifier
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RIT Professor Bowman 5 Half Wave Rectifier ( )( ) s D D s o D D s D o V PIV R r for V v v V r R R v r R R v = << + + = 0 0 ~ / /
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RIT Professor Bowman 6 Full Wave Rectifier D s V V PIV = 2
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RIT Professor Bowman 7 The Bridge Rectifier D s D D s D o D V V V V V PIV v v reverse v = + = + = 2 ) ( 2 3
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RIT Professor Bowman 8 Half Wave Rectifier with Filter Capacitor
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RIT Professor Bowman 9 Half Rectifier Analysis Ripple Voltage ) /( ) / ( ~ / 1 ~ ~ ) ( / / / fRC V RC T V V RC T e and e V V V waveform of period T RC for i i i R v I P P R RC T RC T p r p L C D o L = >> + = =
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RIT Professor Bowman 10 Half Wave Rectifier Analysis Current Conduction Dav Dmax max D 2I ~ I or ) / 2 2 1 ( ) / 2 1 ( i t) ( 2 / 1 1 ~ t) cos( that
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Unformatted text preview: Note /T 2 where ) cos( r p L D r p L av r p p V V I i V V I V V t V cycle Conduction + = + = = = RIT Professor Bowman 11 Full Wave Rectifier with Filter Capacitor Dav D r p L D r p L Dav p r i i V V I i V V I i fRC V V cycle Conduction 2 ~ or ) 2 / 2 1 ( ) 2 / 1 ( T/2 cycle discharge e with th ) 2 /( max max + = + = = RIT Professor Bowman 12 Precision Rectifier RIT Professor Bowman 13 Voltage Limiting RIT Professor Bowman 14 Some Limiting Circuits RIT Professor Bowman 15 DC Restoration output shift the level or 6V to charge will + + = vc v v v C I o RIT Professor Bowman 16 Voltage Doubler...
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ee481Lecture4 - Note /T 2 where ) cos( r p L D r p L av r p...

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