ECE :: Microwave Communication
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Assertion (A): Inter-digitated geometry is widely used for microwave transistors.
Reason (R): Tuning at input and output of transistor uses MOS chip capacitors.
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For a 1 cm x 2 cm air filled rectangular waveguide the maximum frequency should be less than about
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Hollow waveguides are used as transmission lines at frequencies
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In the given figure the equivalent circuit of a T attenuator. If
the condition for matched attenuator is 
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The total power radiated from an antenna system is determined by imagining that the antenna is at the centre of a very large
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The AM, PM, and TV broadcast frequencies are
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Assertion (A): For a reciprocal microwave junction the S matrix is symmetrical.
Reason (R): In a symmetrical matrix Sij = Sji.
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The primary constants of a transmission line are
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