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# hw4 - University of California Berkeley EECS 142 Fall 2011...

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University of California, Berkeley Fall 2011 EECS 142 Prof. A. Niknejad Problem Set 4 Due Thursday September 29, 2011 1. Given Y Admittance parameters, find the transformation to H parameters. 2. For a two-port network, find the voltage gain, input and output parameters, and conditions for stability using hybrid H parameters. Identify the open loop gain ( h 12 = 0), the closed loop gain, the loop gain, and the input/output impedance in terms of the loop gain. 3. Consider a voltage source with series impedance Z S driving a load impedance Z L . Find the optimum source impedance to maximize the power transfer from the source to the load. Calculate the maximum power to the load under this condition. 4. Consider a voltage source with series impedance Z S driving a load impedance Z L . Find the optimum load impedance to maximize the power transfer from the source to the load. Calculate the maximum power to the load under this condition. This is known as the available power.

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