The sampling rate of promising SDR technology ranges between _____(a) 1 MHz – 100 MHz(b) 10 MHz – 100 MHz(c) 1 MHz – 1 GHz(d) 1 MHz – 10 GHzThis question was posed to me during an online interview.This intriguing question originated from ADC Tradeoffs in section Technology Tradeoffs in Software Defined Radio of Cognitive Radio

The sampling rate of promising SDR technology ranges between _____(a)

1.	The sampling rate of promising SDR technology ranges between _____(a) 1 MHz – 100 MHz(b) 10 MHz – 100 MHz(c) 1 MHz – 1 GHz(d) 1 MHz – 10 GHzThis question was posed to me during an online interview.This intriguing question originated from ADC Tradeoffs in section Technology Tradeoffs in Software Defined Radio of Cognitive Radio
Answer» The correct option is (b) 10 MHz – 100 MHz The EXPLANATION is: The sampling rate of promising SDR technology ranges between 10 MHz – 100 MHz. The resolution falls in the RANGE of 30 dB– 60 dB. FREQUENCY division multiplexing uses few MHz IF-bandwidth. PCM, cellular band allocation, 3G, and AIR navigation signals use hundreds of MHz.

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