The DDS, Direct Digital Synthesizer, which is implemented by a unique FPGA IC, can provide the stable sine signal with digital AM, FM, ASK, PSK modulation.
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- 仅用单片FPGA就实现了直接数字频率合成技术(DDS),产生稳幅正弦波,并在数字域实现了AM、FM、ASK、PSK等四类调制信号。