Q. Which of the following is a characteristic to be possessed by a roofing filter?

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Q. Active cancellation is the process of introducing transmitted signal in the _____ for subtraction from the input signal.

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Q. In active radar blanking, communication between RF stage and rest of the communication system is ___ while the control line is ____

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Q. The required active cancellation is equal to ____ between the maximum non distorting input signal and the radiation level at the antenna.

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Q. The number and characteristics of roofing filter are determined by modulation of the subscriber signal.

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Q. RF integrated circuits generally comprise of _____

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Q. RF MEMS gives _______ alternative to electronic switching circuits.

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Q. Which of these is not a technique used to induce sharp resonance in resonators?

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Q. In resonators with nanoscale I-beams, which factor does not affect the mechanical frequencies of I-beams?

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Q. The industry standard figure of merit for an RF switch is ______

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Q. RF MEMS allows selection of ____ and ____, increasing the degree of freedom in design process.

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Q. Superconducting analog filters can reduce noise and interference introduced by wide bandwidth of SDR architecture.

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Q. Superconductors use ____ to maintain working temperature near _____.

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Q. F amplifiers tend to be ____ amplifiers.

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Q. Which of the following modulation type is incompatible with class C operation?

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Q. Electronically Programmable Analog Components are also called as ____

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Q. Which of the following is not a challenge to RF/IF conversion stage in military application?

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Q. ____ fixes the input power dynamic range such that there are no sinusoidal RF conversion artifacts in the output.

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Q. The Nyquist criterion states that the sampling frequency of a band limited analog waveform must be at least ______ component to properly reconstruct the signal.

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Q. The useful dynamic range applicable for antenna, RF/IF conversion, and ADC’s is given by the ratio of smallest processable signal to the smallest detectable signal.

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