{"id":29205,"date":"2023-04-22T02:59:24","date_gmt":"2023-04-22T07:59:24","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-frequency-generator\/"},"modified":"2025-01-20T23:24:13","modified_gmt":"2025-01-21T04:24:13","slug":"how-to-make-frequency-generator","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/zh-hans\/how-to-make-frequency-generator\/","title":{"rendered":"\u81ea\u5236\u9891\u7387\u53d1\u751f\u5668\uff1a\u539f\u7406\u3001\u7535\u8def\u8bbe\u8ba1\u4e0e\u5b9e\u8df5\u6307\u5357"},"content":{"rendered":"

\u9891\u7387\u53d1\u751f\u5668\u5236\u4f5c\u8be6\u89e3<\/p>\n

\u9891\u7387\u53d1\u751f\u5668\u662f\u4e00\u79cd\u80fd\u591f\u4ea7\u751f\u7279\u5b9a\u9891\u7387\u4fe1\u53f7\u7684\u7535\u5b50\u8bbe\u5907\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7535\u5b50\u6d4b\u8bd5\u3001\u79d1\u7814\u3001\u97f3\u9891\u5904\u7406\u7b49\u9886\u57df\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5236\u4f5c\u4e00\u4e2a\u7b80\u5355\u7684\u9891\u7387\u53d1\u751f\u5668\uff0c\u4ece\u7535\u8def\u539f\u7406\u5230\u5143\u5668\u4ef6\u9009\u62e9\uff0c\u518d\u5230\u8c03\u8bd5\u65b9\u6cd5\uff0c\u529b\u6c42\u6e05\u6670\u6613\u61c2\u3002<\/p>\n

1. \u9891\u7387\u53d1\u751f\u5668\u7684\u57fa\u672c\u539f\u7406<\/h3>\n

\u9891\u7387\u53d1\u751f\u5668\u7684\u5de5\u4f5c\u539f\u7406\u4e3b\u8981\u57fa\u4e8e\u632f\u8361\u7535\u8def\u3002\u5e38\u89c1\u7684\u632f\u8361\u7535\u8def\u5305\u62ecRC\u632f\u8361\u5668\u3001LC\u632f\u8361\u5668\u548c\u6676\u4f53\u632f\u8361\u5668\u7b49\u3002RC\u632f\u8361\u5668\u5229\u7528\u7535\u963b\u548c\u7535\u5bb9\u7684\u5145\u653e\u7535\u8fc7\u7a0b\u4ea7\u751f\u632f\u8361\uff0c\u9891\u7387\u76f8\u5bf9\u4e0d\u7a33\u5b9a\uff1bLC\u632f\u8361\u5668\u5229\u7528\u7535\u611f\u548c\u7535\u5bb9\u7684\u8c10\u632f\u7279\u6027\u4ea7\u751f\u632f\u8361\uff0c\u9891\u7387\u7a33\u5b9a\u6027\u8f83\u597d\uff1b\u6676\u4f53\u632f\u8361\u5668\u5229\u7528\u77f3\u82f1\u6676\u4f53\u7684\u538b\u7535\u6548\u5e94\u4ea7\u751f\u632f\u8361\uff0c\u9891\u7387\u975e\u5e38\u7a33\u5b9a\uff0c\u7cbe\u5ea6\u9ad8\uff0c\u662f\u8bb8\u591a\u7cbe\u5bc6\u4eea\u5668\u4e2d\u9891\u7387\u53d1\u751f\u5668\u7684\u9996\u9009\u3002 \u9009\u62e9\u54ea\u79cd\u632f\u8361\u7535\u8def\u53d6\u51b3\u4e8e\u5bf9\u9891\u7387\u7a33\u5b9a\u6027\u7684\u8981\u6c42\u3002<\/p>\n

2. \u57fa\u4e8e555\u5b9a\u65f6\u5668\u7684RC\u632f\u8361\u5668\u9891\u7387\u53d1\u751f\u5668<\/h3>\n

\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u6613\u884c\u7684\u65b9\u6848\uff0c\u9002\u5408\u521d\u5b66\u8005\u3002555\u5b9a\u65f6\u5668\u662f\u4e00\u4e2a\u591a\u7528\u9014\u96c6\u6210\u7535\u8def\uff0c\u5176\u5185\u90e8\u5305\u542b\u6bd4\u8f83\u5668\u3001\u89e6\u53d1\u5668\u548c\u4e00\u4e2a\u653e\u7535\u6676\u4f53\u7ba1\uff0c\u53ef\u4ee5\u6784\u6210\u591a\u79cd\u7535\u8def\uff0c\u5176\u4e2d\u5305\u62ecRC\u632f\u8361\u5668\u3002<\/p>\n\n\n\n\n\n\n\n\n\n\n
\u5143\u5668\u4ef6<\/th>\n\u7b26\u53f7<\/th>\n\u53c2\u6570<\/th>\n<\/tr>\n<\/thead>\n
555\u5b9a\u65f6\u5668<\/td>\nIC1<\/td>\n\u901a\u7528\u578b555\u5b9a\u65f6\u5668<\/td>\n<\/tr>\n
\u7535\u963b<\/td>\nR1<\/td>\n10k\u03a9<\/td>\n<\/tr>\n
\u7535\u963b<\/td>\nR2<\/td>\n10k\u03a9<\/td>\n<\/tr>\n
\u7535\u5bb9<\/td>\nC1<\/td>\n\u53ef\u53d8\u7535\u5bb9\uff0c\u4f8b\u5982100nF – 1uF<\/td>\n<\/tr>\n
\u7535\u6e90<\/td>\nVCC<\/td>\n+5V<\/td>\n<\/tr>\n
\u8f93\u51fa\u7aef<\/td>\nOUT<\/td>\n\u9891\u7387\u8f93\u51fa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u7535\u8def\u539f\u7406\u56fe\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u4ece\u7f51\u4e0a\u627e\u5230\uff0c\u8fd9\u91cc\u4e0d\u518d\u8d58\u8ff0\u3002\u901a\u8fc7\u6539\u53d8\u7535\u5bb9C1\u7684\u503c\uff0c\u53ef\u4ee5\u6539\u53d8\u8f93\u51fa\u9891\u7387\u3002\u9891\u7387\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1af = 1.44 \/ ((R1 + 2R2) <\/em> C1)\u3002<\/p>\n

3. \u57fa\u4e8e\u5355\u7247\u673a\u7684\u9891\u7387\u53d1\u751f\u5668<\/h3>\n

\u5355\u7247\u673a\u5177\u6709\u7075\u6d3b\u53ef\u7f16\u7a0b\u7684\u7279\u70b9\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u7cbe\u786e\u3001\u529f\u80fd\u66f4\u5f3a\u5927\u7684\u9891\u7387\u53d1\u751f\u5668\u3002 \u901a\u8fc7\u7f16\u5199\u7a0b\u5e8f\u63a7\u5236\u5355\u7247\u673a\u7684\u5b9a\u65f6\u5668\u6a21\u5757\uff0c\u53ef\u4ee5\u4ea7\u751f\u5404\u79cd\u6ce2\u5f62\u548c\u9891\u7387\u7684\u4fe1\u53f7\u3002 \u4f8b\u5982\uff0c\u53ef\u4ee5\u4ea7\u751f\u6b63\u5f26\u6ce2\u3001\u65b9\u6ce2\u3001\u4e09\u89d2\u6ce2\u7b49\u3002\u6b64\u65b9\u6cd5\u9700\u8981\u4e00\u5b9a\u7684\u5355\u7247\u673a\u7f16\u7a0b\u57fa\u7840\u3002 \u9009\u62e9\u5408\u9002\u7684\u5355\u7247\u673a\u578b\u53f7\u53d6\u51b3\u4e8e\u9700\u8981\u7684\u9891\u7387\u8303\u56f4\u548c\u7cbe\u5ea6\u3002<\/p>\n\n\n\n\n\n\n\n
\u5355\u7247\u673a\u578b\u53f7<\/th>\n\u4f18\u70b9<\/th>\n\u7f3a\u70b9<\/th>\n<\/tr>\n<\/thead>\n
STM32\u7cfb\u5217<\/td>\n\u9ad8\u6027\u80fd\uff0c\u7cbe\u5ea6\u9ad8\uff0c\u8d44\u6e90\u4e30\u5bcc<\/td>\n\u5b66\u4e60\u66f2\u7ebf\u8f83\u9661\u5ced\uff0c\u6210\u672c\u76f8\u5bf9\u8f83\u9ad8<\/td>\n<\/tr>\n
AVR\u7cfb\u5217<\/td>\n\u6210\u672c\u8f83\u4f4e\uff0c\u8d44\u6e90\u76f8\u5bf9\u8f83\u5c11\uff0c\u6613\u4e8e\u5b66\u4e60<\/td>\n\u5904\u7406\u80fd\u529b\u76f8\u5bf9\u8f83\u5f31\uff0c\u9ad8\u7cbe\u5ea6\u9891\u7387\u751f\u6210\u8f83\u4e3a\u56f0\u96be<\/td>\n<\/tr>\n
ESP32\u7cfb\u5217<\/td>\n\u96c6\u6210Wi-Fi\uff0c\u53ef\u8fdc\u7a0b\u63a7\u5236\uff0c\u8d44\u6e90\u4e30\u5bcc<\/td>\n\u6210\u672c\u76f8\u5bf9\u8f83\u9ad8\uff0c\u529f\u8017\u76f8\u5bf9\u8f83\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

4. \u9891\u7387\u53d1\u751f\u5668\u7684\u8c03\u8bd5\u4e0e\u6d4b\u8bd5<\/h3>\n

\u65e0\u8bba\u91c7\u7528\u4f55\u79cd\u65b9\u6848\uff0c\u5236\u4f5c\u5b8c\u6210\u540e\u90fd\u9700\u8981\u8fdb\u884c\u8c03\u8bd5\u548c\u6d4b\u8bd5\u3002\u53ef\u4ee5\u4f7f\u7528\u793a\u6ce2\u5668\u89c2\u5bdf\u8f93\u51fa\u6ce2\u5f62\u7684\u9891\u7387\u548c\u6ce2\u5f62\u5f62\u72b6\uff0c\u5e76\u4e0e\u8ba1\u7b97\u503c\u6216\u9884\u671f\u503c\u8fdb\u884c\u6bd4\u8f83\u3002 \u5982\u679c\u9891\u7387\u4e0d\u7a33\u5b9a\uff0c\u53ef\u4ee5\u8c03\u6574\u5143\u5668\u4ef6\u53c2\u6570\u6216\u68c0\u67e5\u7535\u8def\u8fde\u63a5\u3002 \u5bf9\u4e8e\u57fa\u4e8e\u5355\u7247\u673a\u7684\u9891\u7387\u53d1\u751f\u5668\uff0c\u9700\u8981\u4ed4\u7ec6\u68c0\u67e5\u7a0b\u5e8f\u4ee3\u7801\uff0c\u786e\u4fdd\u6ca1\u6709\u9519\u8bef\u3002<\/p>\n

5. \u9891\u7387\u53d1\u751f\u5668\u7684\u5e94\u7528\u4e3e\u4f8b<\/h3>\n

\u9891\u7387\u53d1\u751f\u5668\u5e94\u7528\u5e7f\u6cdb\uff0c\u4f8b\u5982\uff1a<\/p>\n

    \n
  • \u7535\u5b50\u7535\u8def\u6d4b\u8bd5:<\/strong> \u7528\u4e8e\u6d4b\u8bd5\u7535\u8def\u7684\u9891\u7387\u54cd\u5e94\u3002<\/li>\n
  • \u97f3\u9891\u5904\u7406:<\/strong> \u7528\u4e8e\u4ea7\u751f\u5404\u79cd\u97f3\u9891\u4fe1\u53f7\u3002<\/li>\n
  • \u79d1\u7814\u5b9e\u9a8c:<\/strong> \u7528\u4e8e\u4ea7\u751f\u7279\u5b9a\u9891\u7387\u7684\u4fe1\u53f7\u8fdb\u884c\u5b9e\u9a8c\u3002<\/li>\n
  • \u81ea\u52a8\u63a7\u5236:<\/strong> \u7528\u4e8e\u63a7\u5236\u7cfb\u7edf\u7684\u9891\u7387\u3002<\/li>\n<\/ul>\n

    \u9891\u7387\u53d1\u751f\u5668\u7684\u5236\u4f5c\u9700\u8981\u4e00\u5b9a\u7684\u7535\u5b50\u57fa\u7840\u77e5\u8bc6\u548c\u52a8\u624b\u80fd\u529b\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6848\uff0c\u5e76\u4ed4\u7ec6\u6309\u7167\u6b65\u9aa4\u8fdb\u884c\u64cd\u4f5c\uff0c\u5c31\u80fd\u6210\u529f\u5236\u4f5c\u4e00\u4e2a\u7b80\u5355\u7684\u9891\u7387\u53d1\u751f\u5668\u3002<\/p>\n

    \u9891\u7387\u53d1\u751f\u5668\u7684\u5e94\u7528\u9886\u57df\u4e0d\u65ad\u6269\u5c55\uff0c\u968f\u7740\u6280\u672f\u7684\u8fdb\u6b65\uff0c\u672a\u6765\u9891\u7387\u53d1\u751f\u5668\u7684\u529f\u80fd\u5c06\u4f1a\u66f4\u52a0\u5f3a\u5927\uff0c\u5e94\u7528\u5c06\u4f1a\u66f4\u52a0\u5e7f\u6cdb\u3002 \u5e0c\u671b\u672c\u6587\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u638c\u63e1\u9891\u7387\u53d1\u751f\u5668\u7684\u5236\u4f5c\u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u9891\u7387\u53d1\u751f\u5668\u5236\u4f5c\u8be6\u89e3 \u9891\u7387\u53d1\u751f\u5668\u662f\u4e00\u79cd\u80fd\u591f\u4ea7\u751f\u7279\u5b9a\u9891\u7387\u4fe1\u53f7\u7684\u7535\u5b50\u8bbe\u5907\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7535\u5b50\u6d4b\u8bd5\u3001\u79d1\u7814\u3001\u97f3\u9891\u5904\u7406\u7b49\u9886\u57df\u3002<\/p>\n","protected":false},"author":1,"featured_media":24652,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6413],"tags":[],"class_list":["post-29205","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/posts\/29205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=29205"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/posts\/29205\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/media\/24652"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=29205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/categories?post=29205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/tags?post=29205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}