4.Diode Aplication

8/2/2019 4.Diode Aplication

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Dasar Elektronika

Thomas l.Floyd- "Electronics Devices Conventional Current Version"-Prentice Hall


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Thomas l.Floyd- "ElectronicsDevices Conventional Current

Version"-Prentice Hall

Draw the output voltages of each rectifier for the indicated inputvoltages, as shown in Figure. The IN4001 and IN4003 are specific

rectifier diodes.

EXAMPLE


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Tegangan keluaran transformator:

Tegangan keluaran Dioda jenis silicon:

Tegangan Puncak Balik (PIV):


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Determine the peak value of the output voltage for Figure if the turnsratio is 0.5.


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Thomas l.Floyd- "ElectronicsDevices Conventional Current

Version"-Prentice Hall

Average DC Voltage:

Example: Find the average value of the full-wave rectified voltage inFigure ?


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EXAMPLEa) Show the voltage wavefonns across each half of the secondary

winding and across RL when a 100 V peak sine wave is applied

to the primary winding in Figure.b) What minimum PIV rating must the diodes have?


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EXAMPLEDetermine the peak output voltage for the bridgerectifier in Figure. Assuming the practical model, what

PIV rating is required for the diodes? The transformeris specified to have a 12 Vrms secondary voltage for thestandard 110 V across the primary.


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filTERS Operation



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Thomas l.Floyd- "Electronics Devices Conventional CurrentVersion"-Prentice Hall

Ripple FactorThe ripple factor (r) is an indication of the effectivenessof the filter and is defined as


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Determine the ripple factor for the filtered bridgerectifier with a load as indicated in Figure?



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Full-Wave Voltage Doubler


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4.Diode Aplication