1. In a transmission line terminated with an arbitrary load, is the normalized i
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Question
1. In a transmission line terminated with an arbitrary load, is the normalized impedance real, imaginary or complex at the locations of the voltage minimums and maximums? 2. Where is the impedance at the voltage minimums and maximums on the Smith chart? 3. Is the normalized impedance in the transmission line inductive or capacitive between the voltage minimum and maximum in the direction from the load to the source? (Hint: check on the Smith chart) For an air-filled rectangular X-band (8-12 GHz) waveguide (0.9 inch x 0.4 inch) operating in the dominant (TE10) mode, calculate the following: a. Cutoff frequency of the dominant mode. b. Single (dominant) mode bandwidth where only a single mode exists. c. Guided wave length Ag at 10 GHz 4.Explanation / Answer
1) If the load is Real( It means resistive load): At resistive load the power factor is unity and the voltage drop is minimum but the receiving voltage is less than the sending end voltage
If the load complex inductive load: At inductive loads the current lags the voltage and the power factor is laggig . Due to the the voltage drop is maximum and the receiving end volatge more less than the sending voltage
If the load is capacitive: At capacitive loads the current is leading and charging effect is present. Due to this charging effect the receiving end voltage is more than the sending end voltage.
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