直接数字频率合成(DDS)基本原理 - Analog Devices
4,096 65,536 1,048,576 16,777,216 268,435,456 4,294,967,296 281,474,976,710,656 M = JUMP SIZE 图3:数字相位轮 Page 3 of 9 考虑n = 32,M = 1的情况。相位累加器会逐步执行2 32个可能的输出中的每一个,直至溢出 并重新开始。相应的输出正弦波频率等于输入时钟频率2 32分频。 …
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