Technology Tradeoffs Test – 3

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

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

3. In Nyquist sampling, the ____ frequency is ______to the duration of the observation interval.

4. Which of the following is not a characteristic of DAC?

5. Which of the following is not a characteristic of IC implementation of quadrature sampling ADC?

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

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

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

9. The principle behind Sigma-Delta ADC is oversampling.

10. ____, ____ and ____ must be properly matched for effective representation of input signal in quadrature sampling.

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

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

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

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

15. 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.