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

View solution

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

View solution

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

View solution

Q. F amplifiers tend to be ____ amplifiers.

View solution

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

View solution

Q. Electronically Programmable Analog Components are also called as ____

View solution

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

View solution

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

View solution

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.

View solution

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.

View solution

Q. Which of the following is the first step in establishing acceptable aliasing power?

View solution

Q. Noise must be less than _____ of the ADC.

View solution

Q. To avoid aliasing, the wideband ADC is ____ by anti-aliasing filters to suitably alter the _____ waveform.

View solution

Q. The shape factor of an anti-aliasing filter is given by the ratio of the frequency at ___ dB attenuation point to the frequency at ___ dB point.

View solution

Q. Which among the following filters has the slowest roll-off?

View solution

Q. Which of the following expressions give the relation between power and quantization step size (q)?

View solution

Q. Which of the following expressions give the SNR at the output of ADC?

View solution

Q. In non-monotonic filters, attenuation increases with frequency.

View solution

Q. Which of the following is untrue about Sigma-Delta ADC?

View solution

Q. Quadrature sampling uses ____ to ____ the bandwidth available for a particular sampling rate.

View solution