Determine the output frequency fout of a DDS system having 32-bit phase accumulator if DDS clock frequency fclk is 120 kHz and the value of the frequency tuning code M is 196608. Show your work.

Answer 1

fout = (M * fclk) / 2^32

fout = (196608 * 120 kHz) / 2^32

fout = 0.732 Hz