0.1Hz - 200MHz 频率计设计
http://mino-elektronik.de/fmeter/fm_software.htm此贴整理了多个基于倒数计数器测量技术实际案例:
https://img.anfulai.cn/dz/attachment/forum/202307/10/200341mcnikbzpw1f1ey11.png
其中有个基于G431方案的0.1Hz - 150MHz(后面升级至200MHz)的频率计方案,大家有兴趣可以试试:
https://www.armbbs.cn/static/image/filetype/zip.gif Fmeter_G431_V1.zip (983.29 KB)
https://img.anfulai.cn/dz/attachment/forum/202307/10/163433qge4egqesqzbq568.png
https://img.anfulai.cn/dz/attachment/forum/202307/10/163456fqtoc0ostnok3scc.png
https://img.anfulai.cn/dz/attachment/forum/202307/10/163456o3n2m5etbd3ns7ic.jpg
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