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Unformatted text preview: with positive feedback, with all resistors 1k, and the capacitor 1uF. 9V 4.5V Vout UNIVERSITY OF CALIFORNIA AT BERKELEY EECS Department Page 2 of 2 a) Suppose the capacitor is initially charged to 4.5V. What is V out (0)? b) Assuming this V out does not change for some period of time (call the first time at which is changes t 1 ), Derive expressions for V + (t) and V(t) for 0<t<t 1 . c) What is the value of t 1 ? (Hint: How does V out depend on V + and V?) d) Now that V out has changed, Derive new expressions for V + (t) and V(t) for t 1 <t<t 2 ., where t 2 is the next time V out changes. e) What is the value of t 2 ? f) Plot V + (t), V(t), and V out (t) for t ranging from 0 to 5ms. g) What function does this circuit perform?...
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This homework help was uploaded on 04/02/2008 for the course EE 40 taught by Professor Changhasnain during the Spring '07 term at University of California, Berkeley.
 Spring '07
 ChangHasnain

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