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Correlations 2 : Communications 2nd Sem 2526
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If a cable has a velocity factor of 0.8, how long would it take a signal to travel 3000 kilometers along the cable?
Two wires with air as a dielectric are one inch apart. The diameter of the wire is 0.04 inch. Calculate, approximately, its characteristic impedance.
If a cable has a velocity factor of 0.68, how long would it take a signal to travel 2700 kilometers along the cable?
Two wires with air as a dielectric are 1.5 inches apart. The diameter of the wire is 0.4 inch. Calculate, approximately, its characteristic impedance.
A transmission line has 27pF of capacitance per foot and 25 nH of inductance per foot. Calculate its characteristic impedance.
If a cable has a velocity factor of 0.7, what length of cable is required for a 30° phase shift at 100 MHz?
If a cable has a velocity factor of 0.8, what length of cable is required for a 90° phase shift at 100 MHz?
If a cable has a velocity factor of 0.8, what length of cable is required for a 60° phase shift at 200 MHz?
A transmission line has 2.5 pF of capacitance per foot and 100 nH of inductance per foot. Calculate its characteristic impedance.