{"id":2950,"date":"2014-09-22T13:48:28","date_gmt":"2014-09-22T13:48:28","guid":{"rendered":"http:\/\/rcl-radio.ru\/?p=2950"},"modified":"2022-12-13T20:56:38","modified_gmt":"2022-12-13T14:56:38","slug":"%d0%bf%d0%be%d0%bb%d0%b8%d1%86%d0%b5%d0%b9%d1%81%d0%ba%d0%b0%d1%8f-%d1%81%d0%b8%d1%80%d0%b5%d0%bd%d0%b0-%d1%81-%d0%b8%d1%81%d0%bf%d0%be%d0%bb%d1%8c%d0%b7%d0%be%d0%b2%d0%b0%d0%bd%d0%b8%d0%b5%d0%bc-ne55","status":"publish","type":"post","link":"http:\/\/rcl-radio.ru\/?p=2950","title":{"rendered":"\u041f\u043e\u043b\u0438\u0446\u0435\u0439\u0441\u043a\u0430\u044f \u0441\u0438\u0440\u0435\u043d\u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c NE555"},"content":{"rendered":"<p><span style=\"font-size: medium;\"><span id=\"result_box\" class=\"long_text\"><span title=\"Description.\"><b>\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435. <\/b><\/span><\/span><\/span><\/p>\n<p><span title=\"A lot of electronic circuits using NE555 timer IC are already published here and this is just another one.Here is the circuit diagram of a police siren based on NE55 timer IC.\">\u0414\u0430\u043d\u043d\u0430\u044f \u0441\u0445\u0435\u043c\u0430 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0438\u043c\u0438\u0442\u0430\u0442\u043e\u0440\u043e\u043c \u0437\u0432\u0443\u043a\u0430 \u043f\u043e\u043b\u0438\u0446\u0435\u0439\u0441\u043a\u043e\u0439 \u0441\u0438\u0440\u0435\u043d\u044b \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 NE55 \u0422\u0430\u0439\u043c\u0435\u0440 IC. <\/span><span title=\"The circuit uses two NE555 timers ICs and each of them are wired as astable multivibrators.The circuit can be powered from anything between 6 to 15V DC and is fairly loud.By connecting an additional power amplifier at the output you can further increase the loudness.\">\u0421\u0445\u0435\u043c\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u0434\u0432\u0430 \u0442\u0430\u0439\u043c\u0435\u0440\u0430 NE555 \u0418\u0421 \u0438 \u043a\u0430\u0436\u0434\u044b\u0439 \u0438\u0437 \u043d\u0438\u0445 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u043a\u0430\u043a \u043c\u0443\u043b\u044c\u0442\u0438\u0432\u0438\u0431\u0440\u0430\u0442\u043e\u0440. \u0421\u0445\u0435\u043c\u0443 \u043c\u043e\u0436\u0435\u0442 \u043f\u0438\u0442\u0430\u0442\u044c\u0441\u044f \u043e\u0442 \u0440\u0430\u0437\u043d\u044b\u0445 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0439 (\u043e\u0442 6 \u0434\u043e 15V DC), \u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0443\u0441\u0438\u043b\u0438\u0442\u0435\u043b\u044f \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u0438, \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u0433\u0440\u043e\u043c\u043a\u043e\u0435 \u0437\u0432\u0443\u0447\u0430\u043d\u0438\u0435.<br \/>\n<\/span><\/p>\n<div id=\"marketWidget\"><\/div>\n<div align=\"center\"><a href=\"http:\/\/rcl-radio.ru\/wp-content\/uploads\/2014\/09\/police-siren-using-NE555.png\" class=\"highslide-image\" onclick=\"return hs.expand(this);\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2951\" src=\"http:\/\/rcl-radio.ru\/wp-content\/uploads\/2014\/09\/police-siren-using-NE555.png\" alt=\"police-siren-using-NE555\" width=\"822\" height=\"438\" srcset=\"http:\/\/rcl-radio.ru\/wp-content\/uploads\/2014\/09\/police-siren-using-NE555.png 822w, http:\/\/rcl-radio.ru\/wp-content\/uploads\/2014\/09\/police-siren-using-NE555-500x266.png 500w\" sizes=\"auto, (max-width: 822px) 100vw, 822px\" \/><\/a><br \/>\n<span id=\"result_box\" class=\"long_text\"><\/span><\/div>\n<p><span style=\"font-size: medium;\"><span id=\"result_box\" class=\"long_text\"><span title=\"IC1 is wired as a slow astable multivibrator operating at around 20Hz @ 50% duty cycle and IC2 is wired as fast astable multivibrator operating at around 600Hz.The output of first astable mutivibrator is connected to the control voltage input (pin5) of IC2.\">IC1 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d \u043a\u0430\u043a \u041d\u0427 \u043d\u0435\u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0439 \u043c\u0443\u043b\u044c\u0442\u0438\u0432\u0438\u0431\u0440\u0430\u0442\u043e\u0440 \u0441 \u0447\u0430\u0441\u0442\u043e\u0442\u043e\u0439 \u043e\u043a\u043e\u043b\u043e 20 \u0413\u0446 @ 50%(50%- \u043c\u0435\u0430\u043d\u0434\u0440)\u00a0 \u0430 IC2 \u0438\u043c\u0435\u0435\u0442 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u0443\u044e \u0447\u0430\u0441\u0442\u043e\u0442\u0443 &#8212; \u043e\u043a\u043e\u043b\u043e 600Hz. \u0421\u0438\u0433\u043d\u0430\u043b \u0441 \u0432\u044b\u0445\u043e\u0434\u0430 \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u043c\u0443\u043b\u044c\u0442\u0438\u0432\u0438\u0431\u0440\u0430\u0442\u043e\u0440\u0430 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d \u043a\u043e \u0432\u0445\u043e\u0434\u0443 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044f \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f (pin5) \u043d\u0430 IC2. <\/span><span title=\"This makes the output of IC2 modulated by the output frequency of IC1, giving a siren effect.\">\u0422\u043e \u0435\u0441\u0442\u044c \u0441\u0438\u0433\u043d\u0430\u043b IC2 \u043c\u043e\u0434\u0443\u043b\u0438\u0440\u0443\u0435\u0442 \u0441\u0438\u0433\u043d\u0430\u043b IC1 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u044f \u044d\u0444\u0444\u0435\u043a\u0442 \u0441\u0438\u0440\u0435\u043d\u044b. <\/span><span title=\"In simple words, the output frequency of IC2 is controlled by the output of IC1.\">\u0413\u043e\u0432\u043e\u0440\u044f \u043f\u0440\u043e\u0441\u0442\u044b\u043c\u0438 \u0441\u043b\u043e\u0432\u0430\u043c\u0438, \u0432\u044b\u0445\u043e\u0434\u043d\u0430\u044f \u0447\u0430\u0441\u0442\u043e\u0442\u044b IC2 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0432\u044b\u0445\u043e\u0434 IC1.<\/span><\/span><\/span><\/p>\n<p><span title=\"Notes.\">\u0417\u0430\u043c\u0435\u0442\u043a\u0438.<br \/>\n<\/span><span title=\"* The circuit can be assembled on a Perf board.\"><br \/>\n<\/span><span title=\"* I used 12V DC for powering the circuit.\">* \u0410\u0432\u0442\u043e\u0440 \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u043b 12V DC \u0434\u043b\u044f \u043f\u0438\u0442\u0430\u043d\u0438\u044f \u0441\u0445\u0435\u043c\u044b.<br \/>\n<\/span><span title=\"* Instead of using two NE55 timer ICs, you can also use a single NE556 timer.\">* \u0412\u043c\u0435\u0441\u0442\u043e \u0442\u043e\u0433\u043e \u0447\u0442\u043e\u0431\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u0432\u0435 \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c\u044b NE55 \u0442\u0430\u0439\u043c\u0435\u0440 \u043c\u043e\u0436\u043d\u043e \u0442\u0430\u043a\u0436\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043e\u0434\u0438\u043d \u0442\u0430\u0439\u043c\u0435\u0440 NE556.<br \/>\n<\/span><span title=\"* NE556 is nothing but two NE555 ICs in one package.\">* NE556 \u044d\u0442\u043e 2 \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c\u044b NE555 \u0418\u0421 \u0432 \u043e\u0434\u043d\u043e\u043c \u043a\u043e\u0440\u043f\u0443\u0441\u0435.<br \/>\n<\/span><span title=\"* Refer the datasheets of NE555 and NE556 to have a clear idea.\">* \u0421\u043c. \u0434\u0430\u043d\u043d\u044b\u0435 \u043e\u00a0 NE555 NE556 \u0438 \u0438\u043c\u0435\u0442\u044c \u043e \u043d\u0438\u0445 \u0447\u0435\u0442\u043a\u043e\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435.<br \/>\n<\/span><span title=\"* Speaker can be a 64ohm, 500mW one.\">* \u0421\u043f\u0438\u043a\u0435\u0440 (\u0434\u0438\u043d\u0430\u043c\u0438\u043a)\u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c 64ohm, 500mW \u0434\u043e 1W.<\/span><\/p>\n<p>\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a &#8212; http:\/\/www.circuitstoday.com\/category\/555-timer-ic<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435. \u0414\u0430\u043d\u043d\u0430\u044f \u0441\u0445\u0435\u043c\u0430 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0438\u043c\u0438\u0442\u0430\u0442\u043e\u0440\u043e\u043c \u0437\u0432\u0443\u043a\u0430 \u043f\u043e\u043b\u0438\u0446\u0435\u0439\u0441\u043a\u043e\u0439 \u0441\u0438\u0440\u0435\u043d\u044b \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 NE55 \u0422\u0430\u0439\u043c\u0435\u0440 IC. \u0421\u0445\u0435\u043c\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u0434\u0432\u0430 \u0442\u0430\u0439\u043c\u0435\u0440\u0430 NE555 \u0418\u0421 \u0438 \u043a\u0430\u0436\u0434\u044b\u0439 \u0438\u0437 \u043d\u0438\u0445 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u043a\u0430\u043a \u043c\u0443\u043b\u044c\u0442\u0438\u0432\u0438\u0431\u0440\u0430\u0442\u043e\u0440. \u0421\u0445\u0435\u043c\u0443 \u043c\u043e\u0436\u0435\u0442 \u043f\u0438\u0442\u0430\u0442\u044c\u0441\u044f \u043e\u0442 \u0440\u0430\u0437\u043d\u044b\u0445 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0439 (\u043e\u0442 6 \u0434\u043e 15V DC), \u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0443\u0441\u0438\u043b\u0438\u0442\u0435\u043b\u044f \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u0438, \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u0433\u0440\u043e\u043c\u043a\u043e\u0435 \u0437\u0432\u0443\u0447\u0430\u043d\u0438\u0435. IC1 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d \u043a\u0430\u043a \u041d\u0427 \u043d\u0435\u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0439 \u043c\u0443\u043b\u044c\u0442\u0438\u0432\u0438\u0431\u0440\u0430\u0442\u043e\u0440 \u0441 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-2950","post","type-post","status-publish","format-standard","hentry","category-18"],"views":13747,"_links":{"self":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/2950","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2950"}],"version-history":[{"count":1,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/2950\/revisions"}],"predecessor-version":[{"id":129842,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/2950\/revisions\/129842"}],"wp:attachment":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2950"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2950"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}