Essentials Applied Elec Engr
Essentials Applied Elec Engr TMAE 5132G
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This 4 page Class Notes was uploaded by Christina Balistreri on Monday October 12, 2015. The Class Notes belongs to TMAE 5132G at Georgia Southern University taught by Maria Alba-Flores in Fall. Since its upload, it has received 32 views. For similar materials see /class/222052/tmae-5132g-georgia-southern-university in Applied Science at Georgia Southern University.
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Date Created: 10/12/15
TMAE 5132C Essentials of Applied Electrical Engineering Georgia Southern University Mechanical and Electrical Engineering Technology Spring 2009 Lecture 6 ACtoDC Circuits Prof AlbaFlores METEET Dept AC to DC Conversion A half wave rectifier An important step in converting the 120 VAC power supplied by a standard wall outlet into 5 V DC power for your computer is voltage reduction You need a transformer that can step down the 120 V signal from the wall socket down to 7 V A half wave rectifier with a filter The next step is to use a large capacitor to filter out most ofthe unwanted variation or ripple in the signal across the load resistor The circuit in the above figure includes a filter capacitor in parallel with the load Since the diode does not allow current to flow back through to the transformer the capacitor discharges through the load resistor with a time constant Full Wave Recti er Afull wave rectifier with a filter The configuration offourdiodes in the circuit shown above is called a bridge ctifier iii elsoafull quot 39 39 we the inputsignei Consequently the iiitertorthis circuit requires roughly half the time constant of the half wave rectirier