midterm2-2009 -           ...

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ELE312 MIDTERM II (Part B) Name: Student No: 05/05/2009 Solve 4 questions out of 6 in total (Parts A and B). Good Luck. Q4. (25 points) Consider the ECL circuit below. Assume all transistors are identical. a. Calculate the value of V BB b. Sketch the voltage-transfer characteristics (VTC) for the inverter, i.e. V INA = V INB = V IN . c. Calculate the average power dissipation for the inverter with V INB = -1V and V INA = -1.5V . Q4 Q5 Q6 V D(ON) = 0.75V V BE(ECL) = 0.75V V BE(FA) = 0.75V F = 50
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Q5. (25 points) Consider the EMOSFET loaded NMOS circuit in Fig(a), Fig(a) Fig(b) a. Sketch the voltage-transfer characteristics (VTC) using the device characteristic curve of N O in Fig(b) where the load gate current I D,L is given by
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Unformatted text preview:                                L , T L , GS L , DS 2 L , T L , GS L L , T L , GS L , DS 2 L , DS L , DS L , T L , GS L L , D V V V , V V 2 k V V V , 2 V V V V k I where k L = 1mA/V 2 , V T,L = -3V, V T,O = 1V, V DD = 5V. b. Determine the logical function performed by the NMOS circuit below Q6. (25 points) Consider the CMOS circuits below a. Determine the logical function of digital circuit below b. Sketch the CMOS circuit that performs the logic function DE C AB F    c. Sketch the approximate VTC graph (i.e. V OUT vs V IN ) of the circuit below....
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This note was uploaded on 05/02/2011 for the course ELECTRONIC 312 taught by Professor Umutsezen during the Spring '11 term at Hacettepe Üniversitesi.

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midterm2-2009 -           ...

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