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Unformatted text preview: V CE,SAT = 0.2 V V BE,SAT = 0.8V Circuit Parameters V CC = 12V I O = 10 mA C = 1 μ F V TR R 1 R S FF Q R 2 1 k Ω Comparator 1 Comparator 2 555 TIMER V OUT Q 1 I O C 10 μ F V CC Threshold Trigger Discharge V CC v C (t) Q V R V S R 1 R 1 V TH EE 312 Digital Electronics 2009/2010 Take-Home Exam Part 7 Due: 11/12 Mayl 2010 i) Assume initially V TR (0-) = V CC , v C (0-) = 0 V and V OUT (0-) = 0 V, determine V R (0-), V S (0-). ii) Calculate and plot v C (t), V R (t), V S (t), V OUT (t) for the trigger voltage V TR (t) given below. iii) Determine the output pulse width and discharge time of C. V TR t, msec V CC 2 0...
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This note was uploaded on 05/04/2011 for the course ELECTRONIC 312 taught by Professor Umutsezen during the Spring '11 term at Hacettepe Üniversitesi.
- Spring '11