ECE :: Microwave Communication
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A coaxial RF cable has a characteristic impedance of 50 Ω and C equal to 40 pF/m. The inductance is
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In a microwave coaxial line, the maximum operating frequency is f max and breakdown strength of dielectric is Ed' Then maximum power handling capacity is proportional to
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To couple a coaxial line to a parallel wire line it is best to use
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In a multicavity klystron amplifier the signal to be amplified develops an ac voltage of signal frequency across the gap in buncher cavity
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If VSWR is infinite, the transmission line is terminated in
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The number of TV channels which can be accommodated in a spectrum of 300 MHz is about
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Assertion (A): The velocity of electromagnetic waves on overhead lines and coaxial cables is the same.
Reason (R): Free space has an intrinsic impedance of 377 ohms.
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In the given figure the E and H lines in a coaxial cable