在如下方框图中，产生正弦波振荡的相位条件是ΦF=土ΦA。https://p.ananas.chaoxing.com/star3/190_190c/51b78a1144fa0cccbecadc36cdb83483.jpg?rw=3264&rh=1616&_fileSize=3984598https://p.ananas.chaoxing.com/star3/origin/51b78a1144fa0cccbecadc36cdb83483.jpg?rw=3264&rh=1616&_fileSize=3984598
在如下方框图中，产生正弦波振荡的相位条件是ΦF=土ΦA。https://p.ananas.chaoxing.com/star3/190_190c/51b78a1144fa0cccbecadc36cdb83483.jpg?rw=3264&rh=1616&_fileSize=3984598https://p.ananas.chaoxing.com/star3/origin/51b78a1144fa0cccbecadc36cdb83483.jpg?rw=3264&rh=1616&_fileSize=3984598
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