20111ee115A_1_HW1

20111ee115A_1_HW1 - find the value of R for which V OUT...

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Due date: 12:00pm, Jan 19 Problem 1 Assume all diodes are ideal, and V d,on is zero. Plot V out if V in is a sinusoid of arbitrary frequency, and amplitude V peak . Problem 2 Two identical PN junctions are placed in parallel (a) For a ten fold increase in the voltage across them, how much does the total current change (b) For a ten fold increase in the current flowing through their parallel combination, how much does the total voltage change. Problem 3 Given a circuit shown as below, please derive the voltage gain Vout/Vin based upon the supported small signal model by using r π ,g m ,R L ,R E .
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Problem 4 In the following figure, both diodes are identical, conducting 10mA at 0.7V and 100mA at 0.8V. Please
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Unformatted text preview: find the value of R for which V OUT =26mV. Problem 5 In the circuit of following figure, (a) determine the value of R1 such that this resistor carries 0.5mA. Assuming Is=5X10-16 A for each diode. (b) what is the voltage drop across the current source I X . V OUT I=10mA R 10R Problem 6 The circuit illustrated in the following figure employs two identical amplifiers. The circuit model for each amplifier is also shown. Please calculate the output voltage Vout. Hint: use Thevenin equivalent circuit to simply your analysis....
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20111ee115A_1_HW1 - find the value of R for which V OUT...

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