Massachusetts Institute of Technology Department of Electrical Engineering and Computer Science 6 002 Electronic Circuits Spring 2007 Homework 5 Handout F07 028 Issued 3 8 2007 Due 3 16 2007 Helpful Readings for this Homework Agarwal Lang Chapter 7 1 7 6 Exercise 5 1 Do Exercise 7 1 in Agarwal Lang page 390 Exercise 5 2 Do Exercise 7 3 in Agarwal Lang page 391 Problem 5 1 Determine the Thevenin equivalent of the following circuit Note that it contains a dependent voltage source and that the parameter has units of Ohms Figure for Problem 5 1 Problem 5 2 This problem studies the two amplifiers shown on the other side of the page Amplifier A is a single stage amplifier implemented with a voltage dependent current source and a pull up resistor Assume that the current source parameters G and VT satisfy G 0 and VS VT 0 Also assume that Amplifier B is a two stage amplifier in which each stage is identical to Amplifier A A Determine vOUT as a function of vIN for Amplifier A B Sketch and clearly label a graph of the input output relation found in Part A C Determine vOUT as a function of vIN for Amplifier B D Sketch and clearly label a graph of the input output relation found in Part C E Consider Amplifier A again Show that the dependent current source sinks power for vOUT 0 and sources power for vOUT 0 F Unlike the expression for the current in Amplifier A given with the figure on the next page real world devices do not supply additional current when vOUT 0 Instead the device saturates and the dependent current source supplies a constant current given by VS R Redo parts A and B in light of this fact What change if any occurs in the input output relation of Amplifier B Cite as Anant Agarwal and Jeffrey Lang course materials for 6 002 Circuits and Electronics Spring 2007 MIT OpenCourseWare http ocw mit edu Massachusetts Institute of Technology Downloaded on DD Month YYYY Figure for P 5 2 Cite as Anant Agarwal and Jeffrey Lang course materials for 6 002 Circuits and Electronics Spring 2007 MIT OpenCourseWare http ocw mit edu Massachusetts Institute of Technology Downloaded on DD Month YYYY
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