Problem 4 Smith Chart and Transmission Lines  For this part…

Problem 4 Smith Chart and Transmission Lines  For this part you will need to plot your answers on a Smith Chart – you can use the same Smith chart to plot all answers.  To get full credit you will need to have both a correct Smith Chart plot , plus a numerical answer selected .  You will lose points if you only have a correct numerical answer and no Smith Chart.  If you need a frequency and it is not given in the problem please assume 1 GHz.  You can download one here if you forgot to print out one ahead of time.    smithchart.pdf   imped_admit_smithchart.pdf  

5b. For the Mixer you constructed in Lab 9, depicted in the…

5b. For the Mixer you constructed in Lab 9, depicted in the problem setup diagram above, the purpose of the RF choke in the output circuit is to provide the dc loop to be closed while presenting a high impedance to the IF frequency output signal .