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Modulating Radio Frequency Carriers to Carry Digital Data

Digital radio transmission requires the use of a carrier wave which is modulated by the digital data.

a. What are the three possible ways in which a radio frequency carrier can be modulated to carry digital data?

b. Write down the equation for the occupied bandwidth of a digital band pass (radio) link that has ideal RRC filters with alpha = 0.4 and a symbol rate Rs sps.

c. A digital radio link uses BPSK modulation and has a bit rate of 38.4 kbps. If the transmitter and receiver have ideal RRC filters with alpha = 0.4, what is the bandwidth occupied by the RF signal?

d. What is the RF bandwidth required by the radio link specified in part (c) above?

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M9418732

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