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Design_Project_2_fall2010 - Copy - Fall 2010 EERF 6311...

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Fall 2010 EERF 6311 Design Project #2, Dividers and Couplers 1. A three-port network has the scattering matrix shown below: Describe the function of the network. Give as many properties of this network as possible. 2. 1. A three-port network has the scattering matrix shown below: Describe the function of the network. Give as many properties of this network as possible. 3. Consider the following 3-port network: Find at what frequency the input port is matched. 4. Design a three-port resistive divider for an equal power split (3-dB) and a 100 Ohm system impedance. How much power is lost in each arm of the divider? Calculate the change in output power in port 3 (in dB) when port 2 is connected to a load producing a reflection coefficient of 0.3. Simulate a microstrip design and plot the following: for the matched case and when port 2 is mismatched.
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Plot S21 and S31 (insertion loss), S11 (input return loss) and S32 (isolation) magnitude in dB for both designs.
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