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Unformatted text preview: Vd = Vin – Vout I3 = (12 – Vout) / R3 I12 = Vout/(R1||R2) Id = I12 – I3 P = Id x Vd 3) By comparing my calculated values for Vd with the recorded values from the multimeter in step 16, I concluded that the value recorded from the meter was the turn on voltage for the diode. The attached table shows the voltage and current for the diode at various Vin and Vout voltages. Using KVL, I found that the voltage through the diode was related to Vin and Vout, through the equation: Vd = Vin – Vout. After Vd gets to (approximately) the recorded voltage from the meter, the current through the diode begins to increase. In step 25 we determined that Vout started to increase when Vin got to approximately 4.5 V....
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This note was uploaded on 01/18/2010 for the course ECE 205 taught by Professor Zhang during the Spring '09 term at University of Illinois at Urbana–Champaign.
- Spring '09