{"id":2561,"date":"2024-05-24T02:15:24","date_gmt":"2024-05-24T02:15:24","guid":{"rendered":"https:\/\/nfc-readers.com\/?p=2561"},"modified":"2024-05-24T02:15:24","modified_gmt":"2024-05-24T02:15:24","slug":"nfc-signal-processing-non-return-to-zero-encoding","status":"publish","type":"post","link":"https:\/\/nfc-readers.com\/el\/nfc-signal-processing-non-return-to-zero-encoding\/","title":{"rendered":"\u0395\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 NFC: \u039a\u03c9\u03b4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c7\u03c9\u03c1\u03af\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03c3\u03c4\u03bf \u03bc\u03b7\u03b4\u03ad\u03bd"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u0395\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u039c\u03c0\u03b1\u03c1\u03ad\u03c4\u03b1<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nfc-readers.com\/el\/nfc-signal-processing-non-return-to-zero-encoding\/#Overview_of_NFC_Data_Transmission\" title=\"\u0395\u03c0\u03b9\u03c3\u03ba\u03cc\u03c0\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd NFC\">\u0395\u03c0\u03b9\u03c3\u03ba\u03cc\u03c0\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd NFC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nfc-readers.com\/el\/nfc-signal-processing-non-return-to-zero-encoding\/#Standards_Communication_Protocols_in_NFC\" title=\"\u03a0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 &amp; \u03a0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03b1 \u0395\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2 \u03c3\u03c4\u03bf NFC\">\u03a0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 &amp; \u03a0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03b1 \u0395\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2 \u03c3\u03c4\u03bf NFC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nfc-readers.com\/el\/nfc-signal-processing-non-return-to-zero-encoding\/#NFC_Non-Return-to-Zero_Level_NRZ-L_Encoding\" title=\"\u039a\u03c9\u03b4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 NFC Non-Return-to-Zero Level (NRZ-L).\">\u039a\u03c9\u03b4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 NFC Non-Return-to-Zero Level (NRZ-L).<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nfc-readers.com\/el\/nfc-signal-processing-non-return-to-zero-encoding\/#NFC_Manchester_Encoding\" title=\"\u039a\u03c9\u03b4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 NFC Manchester\">\u039a\u03c9\u03b4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 NFC Manchester<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nfc-readers.com\/el\/nfc-signal-processing-non-return-to-zero-encoding\/#NFC_Modified_Miller_Encoding\" title=\"NFC Modified Miller Encoding\">NFC Modified Miller Encoding<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nfc-readers.com\/el\/nfc-signal-processing-non-return-to-zero-encoding\/#Types_of_Modulation_in_NFC\" title=\"\u03a4\u03cd\u03c0\u03bf\u03b9 \u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03c3\u03c4\u03bf NFC\">\u03a4\u03cd\u03c0\u03bf\u03b9 \u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03c3\u03c4\u03bf NFC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nfc-readers.com\/el\/nfc-signal-processing-non-return-to-zero-encoding\/#In_Summary\" title=\"\u03a3\u03c5\u03bd\u03bf\u03c0\u03c4\u03b9\u03ba\u03ac\">\u03a3\u03c5\u03bd\u03bf\u03c0\u03c4\u03b9\u03ba\u03ac<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Overview_of_NFC_Data_Transmission\"><\/span><strong>\u0395\u03c0\u03b9\u03c3\u03ba\u03cc\u03c0\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd NFC<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><br class=\"container_a4d0b wrapper_d536d undefined\" \/><a href=\"https:\/\/nfc-readers.com\/el\/Wholesale\/rfid-nfc-reader\/\">NFC<\/a>, \u03bc\u03b9\u03b1 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03b1\u03c3\u03cd\u03c1\u03bc\u03b1\u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2 \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03ae\u03c2 \u03b5\u03bc\u03b2\u03ad\u03bb\u03b5\u03b9\u03b1\u03c2, \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03bc\u03ad\u03c3\u03c9 \u03bc\u03b9\u03b1\u03c2 \u03c3\u03c5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03b4\u03cd\u03bf \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ce\u03bd \u2014 \u03c0\u03bf\u03c5 \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b5\u03ba\u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03cc\u03c7\u03bf\u03c2. \u039a\u03bf\u03b9\u03bd\u03ce\u03c2 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c9\u03c2 \u03b5\u03c4\u03b9\u03ba\u03ad\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c3\u03c4\u03b7\u03c2, \u03b1\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03bf\u03bd\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b5\u03bc\u03c0\u03bb\u03ad\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b1\u03bd\u03c4\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03ad\u03c3\u03c9 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03bf\u03c2 \u03c1\u03b1\u03b4\u03b9\u03bf\u03c3\u03c5\u03c7\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd 13,56 MHz, \u03b2\u03b1\u03c3\u03b9\u03b6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03ad\u03c0\u03b1\u03c6\u03b7 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bc\u03b1\u03b3\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03c0\u03b1\u03b3\u03c9\u03b3\u03ae. \u0397 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bc\u03b5\u03bd\u03b7 \u03b5\u03b3\u03b3\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03ad\u03c4\u03bf\u03b9\u03b5\u03c2 \u03b1\u03bb\u03bb\u03b7\u03bb\u03b5\u03c0\u03b9\u03b4\u03c1\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc 10 cm.<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Standards_Communication_Protocols_in_NFC\"><\/span><strong>\u03a0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 &amp; \u03a0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03b1 \u0395\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2 \u03c3\u03c4\u03bf NFC<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><br class=\"container_a4d0b wrapper_d536d undefined\" \/>\u039c\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03bf\u03b9\u03ba\u03af\u03bb\u03bf\u03c5\u03c2 \u03c1\u03c5\u03b8\u03bc\u03bf\u03cd\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03bc\u03b1\u03b6\u03af \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03be\u03b5\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03ad\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03c9\u03b4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2, \u03b7 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 NFC \u03b5\u03ba\u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03c9 \u03c4\u03c1\u03b9\u03ce\u03bd \u03b2\u03b1\u03c3\u03b9\u03ba\u03ce\u03bd \u03c0\u03c1\u03bf\u03c4\u03cd\u03c0\u03c9\u03bd: NFC-A, NFC-B \u03ba\u03b1\u03b9 NFC-F. \u0391\u03c5\u03c4\u03ac \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03c9\u03b4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf\u03bd \u03a0\u03af\u03bd\u03b1\u03ba\u03b1-1.<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-2562\" src=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NFC-NRZ-L-Coding11-300x125.png\" alt=\"\" width=\"564\" height=\"235\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NFC-NRZ-L-Coding11-300x125.png 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NFC-NRZ-L-Coding11-1024x427.png 1024w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NFC-NRZ-L-Coding11-768x320.png 768w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NFC-NRZ-L-Coding11-18x8.png 18w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NFC-NRZ-L-Coding11-600x250.png 600w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NFC-NRZ-L-Coding11.png 1275w\" sizes=\"auto, (max-width: 564px) 100vw, 564px\" \/><\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"NFC_Non-Return-to-Zero_Level_NRZ-L_Encoding\"><\/span><strong>\u039a\u03c9\u03b4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 NFC Non-Return-to-Zero Level (NRZ-L).<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"image-wrapper_dd1b3 clickable_dd1b3\" data-testid=\"mdbox_image\"><img decoding=\"async\" src=\"data:;base64,<svg xmlns='http:\/\/www.w3.org\/2000\/svg' version='1.1' width='400' height='256'\/>&#8221; alt=&#8221;&#8221; aria-hidden=&#8221;true&#8221; \/><img loading=\"lazy\" class=\"alignnone  wp-image-2563\" alt=\"\" width=\"559\" height=\"311\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NRZ-L-coding-300x167.webp 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NRZ-L-coding-18x10.webp 18w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NRZ-L-coding.webp 596w\" sizes=\"auto, (max-width: 559px) 100vw, 559px\" \/><\/div>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><em>\u0391\u03bd\u03b1\u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7<\/em>: \u03a4\u03bf \u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03c3\u03c7\u03ae\u03bc\u03b1 \u03ba\u03c9\u03b4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 NRZ-L \u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03a3\u03c7\u03ae\u03bc\u03b1-1, \u03cc\u03c0\u03bf\u03c5 \u03ad\u03bd\u03b1 \u03b4\u03c5\u03b1\u03b4\u03b9\u03ba\u03cc \u00ab1\u00bb \u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c5\u03c8\u03b7\u03bb\u03ae \u03c4\u03ac\u03c3\u03b7 (+V), \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b4\u03c5\u03b1\u03b4\u03b9\u03ba\u03cc \u00ab0\u00bb \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae \u03c4\u03ac\u03c3\u03b7 (0 volt).<\/li>\n<li><em>\u03a7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc\u03c2<\/em>: \u0391\u03c0\u03bf\u03ba\u03b1\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03bc\u03bf\u03bd\u03bf\u03c0\u03bf\u03bb\u03b9\u03ba\u03ae \u03ba\u03c9\u03b4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 NRZ, \u03b1\u03c5\u03c4\u03ae \u03b7 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bb\u03ae, \u03c3\u03b7\u03bc\u03b5\u03b9\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03ba\u03ac\u03b8\u03b5 \u03c4\u03b9\u03bc\u03ae bit \u03bc\u03b5 \u03ad\u03bd\u03b1 \u03be\u03b5\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03cc \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03ac\u03c3\u03b7\u03c2.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"NFC_Manchester_Encoding\"><\/span><strong>\u039a\u03c9\u03b4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 NFC Manchester<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"image-wrapper_dd1b3 clickable_dd1b3\" data-testid=\"mdbox_image\"><img decoding=\"async\" src=\"data:;base64,<svg xmlns='http:\/\/www.w3.org\/2000\/svg' version='1.1' width='400' height='256'\/>&#8221; alt=&#8221;&#8221; aria-hidden=&#8221;true&#8221; \/><\/div><p><img loading=\"lazy\" class=\"alignnone  wp-image-2564\" alt=\"\" width=\"520\" height=\"414\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/Manchester-coding-300x239.webp 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/Manchester-coding-15x12.webp 15w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/Manchester-coding-600x478.webp 600w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/Manchester-coding.webp 639w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><em>\u03a0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae<\/em>: \u03a5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b4\u03cd\u03bf \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03ba\u03c9\u03b4\u03b9\u03ba\u03ce\u03bd \u039c\u03ac\u03bd\u03c4\u03c3\u03b5\u03c3\u03c4\u03b5\u03c1\u2014\u03c4\u03cd\u03c0\u03bf\u03b9 AC (\u03b4\u03b9\u03c0\u03bf\u03bb\u03b9\u03ba\u03cc\u03c2) \u03ba\u03b1\u03b9 DC (\u03bc\u03bf\u03bd\u03bf\u03c0\u03bf\u03bb\u03b9\u03ba\u03cc\u03c2).<\/li>\n<li><em>\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03bc\u03b5\u03c4\u03ac\u03b2\u03b1\u03c3\u03b7\u03c2<\/em>: \u03a4\u03cc\u03c3\u03bf \u03c4\u03bf \u03b4\u03c5\u03b1\u03b4\u03b9\u03ba\u03cc &#039;1&#039; \u03ba\u03b1\u03b9 \u03c4\u03bf &#039;0&#039; \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03bc\u03b5\u03c4\u03b1\u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c4\u03b7\u03c2 \u03af\u03b4\u03b9\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b9\u03cc\u03b4\u03bf\u03c5 bit\u2014High-to-Low \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03b4\u03c5\u03b1\u03b4\u03b9\u03ba\u03cc &#039;1&#039;, \u03b5\u03bd\u03ce \u03c4\u03bf Low-to-High \u03c5\u03c0\u03bf\u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03b4\u03c5\u03b1\u03b4\u03b9\u03ba\u03cc &#039;0&#039;.<\/li>\n<li><em>\u0391\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1 \u03bc\u03b5\u03c4\u03ac\u03b2\u03b1\u03c3\u03b7\u03c2<\/em>: \u0391\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c7\u03bf\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf \u03bc\u03ad\u03c3\u03bf \u03c4\u03b7\u03c2 \u03c0\u03b5\u03c1\u03b9\u03cc\u03b4\u03bf\u03c5 bit, \u03b5\u03bd\u03b9\u03c3\u03c7\u03cd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03c3\u03b1\u03c6\u03ae\u03bd\u03b5\u03b9\u03b1 \u03c4\u03c9\u03bd \u03c3\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"NFC_Modified_Miller_Encoding\"><\/span><strong>NFC Modified Miller Encoding<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"image-wrapper_dd1b3 clickable_dd1b3\" data-testid=\"mdbox_image\"><img decoding=\"async\" src=\"data:;base64,<svg xmlns='http:\/\/www.w3.org\/2000\/svg' version='1.1' width='400' height='256'\/>&#8221; alt=&#8221;&#8221; aria-hidden=&#8221;true&#8221; \/><img loading=\"lazy\" class=\"alignnone  wp-image-2565\" alt=\"\" width=\"496\" height=\"276\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/Modified-Miller-coding-300x167.webp 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/Modified-Miller-coding-18x10.webp 18w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/Modified-Miller-coding.webp 565w\" sizes=\"auto, (max-width: 496px) 100vw, 496px\" \/><\/div>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><em>\u0394\u03c5\u03b1\u03b4\u03b9\u03ba\u03ae \u03c7\u03b1\u03c1\u03c4\u03bf\u03b3\u03c1\u03ac\u03c6\u03b7\u03c3\u03b7 &#039;1&#039;<\/em>: \u0397 \u03b4\u03c5\u03b1\u03b4\u03b9\u03ba\u03ae \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae &#039;1&#039; \u03c5\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03bc\u03b5 \u03bc\u03b9\u03b1 \u03bc\u03b5\u03c4\u03ac\u03b2\u03b1\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c5\u03c8\u03b7\u03bb\u03cc \u03c3\u03c4\u03bf \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03c0\u03af\u03c3\u03c9 \u03c3\u03c4\u03bf \u03c5\u03c8\u03b7\u03bb\u03cc \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03b5\u03c1\u03b9\u03cc\u03b4\u03bf\u03c5 bit, \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf\u03c5 bit.<\/li>\n<li><em>\u0394\u03c5\u03b1\u03b4\u03b9\u03ba\u03ae \u03c7\u03b1\u03c1\u03c4\u03bf\u03b3\u03c1\u03ac\u03c6\u03b7\u03c3\u03b7 &#039;0&#039;<\/em>: \u0397 \u03b1\u03c0\u03b5\u03b9\u03ba\u03cc\u03bd\u03b9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b4\u03c5\u03b1\u03b4\u03b9\u03ba\u03bf\u03cd &#039;0&#039; \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf\u03c5 bit\u2014\u0395\u03ac\u03bd \u03c4\u03bf \u03c0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf bit \u03ae\u03c4\u03b1\u03bd &#039;1&#039;, \u03c4\u03bf \u03c4\u03c1\u03ad\u03c7\u03bf\u03bd \u03bc\u03b7\u03b4\u03ad\u03bd \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03ad\u03bd\u03b1 \u03bc\u03bf\u03c4\u03af\u03b2\u03bf \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03c1\u03bf\u03c6\u03b7\u03c2 \u03bc\u03b5\u03c4\u03ac\u03b2\u03b1\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03ac\u03bd \u03ae\u03c4\u03b1\u03bd &#039;0&#039;, \u03b7 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03af\u03c7\u03b9\u03c3\u03b7 \u03b1\u03bd\u03c4\u03b7\u03c7\u03b5\u03af \u03b5\u03ba\u03b5\u03af\u03bd\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03b4\u03c5\u03b1\u03b4\u03b9\u03ba\u03bf\u03cd &#039;1&#039;.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Types_of_Modulation_in_NFC\"><\/span><strong>\u03a4\u03cd\u03c0\u03bf\u03b9 \u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03c3\u03c4\u03bf NFC<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><br class=\"container_a4d0b wrapper_d536d undefined\" \/>\u03a4\u03bf NFC \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03b5\u03b9\u03c1\u03ac \u03c4\u03cd\u03c0\u03c9\u03bd \u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf Amplitude Shift Keying (ASK) \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 10% \u03ba\u03b1\u03b9 100% \u03ba\u03b1\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5. \u0391\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 \u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd \u03b1\u03bd\u03b1\u03c0\u03cc\u03c3\u03c0\u03b1\u03c3\u03c4\u03bf \u03ba\u03bf\u03bc\u03bc\u03ac\u03c4\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03c0\u03c1\u03c9\u03c4\u03bf\u03ba\u03cc\u03bb\u03bb\u03c9\u03bd \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2 NFC.<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"In_Summary\"><\/span><strong>\u03a3\u03c5\u03bd\u03bf\u03c0\u03c4\u03b9\u03ba\u03ac<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><br class=\"container_a4d0b wrapper_d536d undefined\" \/>\u0397 \u03b1\u03c1\u03c7\u03b9\u03c4\u03b5\u03ba\u03c4\u03bf\u03bd\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 NFC \u03b2\u03b1\u03c3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b5\u03be\u03b5\u03bb\u03b9\u03b3\u03bc\u03ad\u03bd\u03b1 \u03c0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03b1 \u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03c9\u03b4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2, \u03bc\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03bc\u03bf\u03bd\u03b1\u03b4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03be\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03b1\u03c3\u03c6\u03b1\u03bb\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ce\u03bd \u03ba\u03bf\u03bd\u03c4\u03b9\u03bd\u03ae\u03c2 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2. \u0395\u03af\u03c4\u03b5 \u03bc\u03ad\u03c3\u03c9 \u03c4\u03c9\u03bd \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03c9\u03bd \u03c4\u03ac\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 NRZ-L, \u03c4\u03c9\u03bd \u03b4\u03c5\u03b1\u03b4\u03b9\u03ba\u03ce\u03bd \u03b5\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03bc\u03b5\u03c4\u03ac\u03b2\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u039c\u03ac\u03bd\u03c4\u03c3\u03b5\u03c3\u03c4\u03b5\u03c1 \u03ae \u03c4\u03c9\u03bd \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03af\u03c3\u03b5\u03c9\u03bd \u03c4\u03bf\u03c5 Modified Miller \u03c0\u03bf\u03c5 \u03b5\u03be\u03b1\u03c1\u03c4\u03ce\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd, \u03b7 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 NFC \u03b5\u03c0\u03b9\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03b9 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03c3\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c0\u03bb\u03ae\u03b8\u03bf\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ce\u03bd \u03c0\u03b5\u03c1\u03b9\u03b2\u03b1\u03bb\u03bb\u03cc\u03bd\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03b3\u03ba\u03ce\u03bd.<\/div>","protected":false},"excerpt":{"rendered":"<p>\u0395\u03c0\u03b9\u03c3\u03ba\u03cc\u03c0\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd NFC \u03a4\u03bf NFC, \u03bc\u03b9\u03b1 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03b1\u03c3\u03cd\u03c1\u03bc\u03b1\u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2 \u03bc\u03b5 \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc \u03c1\u03c5\u03b8\u03bc\u03cc \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03ae\u03c2 \u03b5\u03bc\u03b2\u03ad\u03bb\u03b5\u03b9\u03b1\u03c2, \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03bc\u03ad\u03c3\u03c9 \u03bc\u03b9\u03b1\u03c2 \u03c3\u03c5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03b4\u03cd\u03bf \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ce\u03bd \u03c0\u03bf\u03c5 \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b5\u03ba\u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03cc\u03c7\u03bf\u03c2. \u039a\u03bf\u03b9\u03bd\u03ce\u03c2 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c9\u03c2 \u03b5\u03c4\u03b9\u03ba\u03ad\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c3\u03c4\u03b7\u03c2, \u03b1\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03bf\u03bd\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b5\u03bc\u03c0\u03bb\u03ad\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b1\u03bd\u03c4\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03ad\u03c3\u03c9 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03bf\u03c2 \u03c1\u03b1\u03b4\u03b9\u03bf\u03c3\u03c5\u03c7\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd 13,56 MHz, \u03b2\u03b1\u03c3\u03b9\u03b6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03ad\u03c0\u03b1\u03c6\u03b7 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bc\u03b1\u03b3\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03c0\u03b1\u03b3\u03c9\u03b3\u03ae. \u03a4\u03bf 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