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Diodes Problem Solving

Diodes Problem Solving - guesses Diode Problem Examples 1...

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Diodes Problem Solving: Review 1. Diode is a nonlinear device 2. Forward bias - current flows 3. Reverse bias - current blocked 4. Appropriate models: Battery or Battery and Resistor Approach 1. Assume all diodes are reversed biased (open circuit) 2. Solve the circuit 3. Take the diode with the largest positive drop > 0.7 volts, and insert the model 4. Go to 2 and repeat. When you have solved enough problems, you will be able to make accurate
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Unformatted text preview: guesses. .. Diode Problem Examples 1. Assume the diode is off 1. I B = 0 2. Diode drop is 12V 3. Diode must be on 2. Diode is on 1. Loop equation 2. 12 = 50k * I B + 0.7 + 10k * 101 * I B 3. 11.3 = (50k + 10k * 101) I B 4. I B = 10.6uA 5. V(10k) = 10k * 101*I B- 10 = 0.7V 6. V(CCCS) = 10 - 3k * 100 * I B = 6.8...
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