A 120-22 lossless line is terminated with 40- and 20- resistors in parallel. The voltage a the input to the line is V(t) = 300 cos(7x108t) and the line is five-eighths of a wavelength long. What average power is delivered to each load resistor?
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- A coaxial cable with a characteristic impedance of 50 Ohm is used to deliver mi- crowave signal to a TV antenna which has an impedance of 75 Ohm. What fraction of the signal (in terms of power) can be coupled into the antenna?The VSWR on an 50-Ohm transmission line is 5. The distance between successive voltageminima is 80 cm while the distance from the load to the first minimum is 30 cm. What are thereflection coefficient and load impedanceA 60-2 transmission line is connected to a 75-2 resistive load. If the incident voltage is 5 V rms, then the reflected voltage is: a) -1.026 Vrms. b) -0.832 Vrms. c) 0.556 Vrms. d) 1.569 Vrms. e) 2.320 Vrms.
- In the figure, a traveling voltage wave of 500 kV proceeds towards point A. Calculate the voltages and currents in the branches after the first reflection and transmission at point A.7- DC Chopper with output voltage of 120V and input voltage of 80V and output power of 240W. Assume lossless chopper. The average inductance current IL is * 2.6 A 3.0A 4.3A 8- taking into account obtained duty cycle from previous task, the needed : capacitor for realizing 1% ripples at frequency of 10kHz is? * ?? 55.56 uF O 13. 34 uF 92.44 uFA system has a forward power of 60 W, reflected power of 3 W, and transmission line loss of –3 dB. What will be the observed loss on the ground? A system has a forward power of 200 W and a reflected power of 15 W, what is the return loss?
- Channel 1 and Channel 2 Time (ms) Phase problem. In the above figure the time base is 1 ms/div, what is the period of the signal from Channel 1 in ms? What is the phase difference (in degrees) between the signals in Channel 1 and Channel 2? ms, _degrees Voltage (arbitrary units)A 2 V signal is incident to the interface from a 75 Ohm region propagating to a 50 Ohm impedance region. What is the reflection coefficient? What is value of the incident, reflected and transmitted wave? What voltage would you measure on either side of the interface right after the signal goes through the interface. For the interface, I'm a little confused. I used a voltage divider and got V_transmitted = 0.8 and V_incident = 1.2. But shouldn't they be the same?Please explain in detail. A. In a series circuit, if the AC voltage is measured across the AC voltage source, will there be any variations in the phase of the AC voltage across each resistor from the measured AC voltage across the source? B. In an AC voltage source, why does voltage vary with time? Please explain in detail. C. In a series circuit, are the frequencies of the AC voltages across each resistor the same? Why is this so? ...
- In non-sinusoidal wave sources, the dissipated power in the load is depends on the value of . . Variable Current Average Current Constant Current All-of-themA wave signal travelling along an electrical transmission line (usually called incident wave) will be reflected back in the opposite direction when the travelling signal encounters a discontinuity in the characteristic impe- dance. This can happen in real life if we join dissimilar transmission lines together. Signals travelling alone the line will be partially reflected at the junction (see illustration below; note that up to this point we have not asked you any question yet). Impedance Discontinuity Forward Current Propagating Voltage Wave Z01 Zo2 Return Current Z01 Zo2 Incident Wave Transmitted Wave Reflected Wave Transmission Line Reflection Suppose a transmission line with characteristic impedance Zo is terminated at one end with an impedance of ZL (recall that impedance is a complex number Z = X +iY where X is the resistance and Y is the reactance), then the reflection coefficient I' is given by the voltage reflection equation ZL – Zo ZL + Zo where I, ZL = XL + iYL, and Zo Xo +…Translator For the circuit shown in the figure, determine the reflected impedance on the source side.