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- 2013-06-03
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- 李梓玉
Description: Frequency switching time is short, the operating frequency range, high frequency resolution, phase changes continuously and easy to achieve modulation of the output signal. Some companies have introduced a variety of DDS dedicated chip, these dedicated DDS chip circuit design provides great convenience, but does not meet all the requirements. For example, in the realization of complex functions such as FM and AM, the use of existing ASIC will be very convenient. The use of programmable logic devices, or field programmable gate array implementation has great flexibility, can well meet the circuit design requirements.
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