{"id":189,"date":"2014-11-19T16:58:43","date_gmt":"2014-11-19T14:58:43","guid":{"rendered":"http:\/\/www.powercircuit.eu\/wordpress\/?p=189"},"modified":"2019-08-06T21:45:07","modified_gmt":"2019-08-06T18:45:07","slug":"%cf%84%ce%b5%ce%bb%ce%b5%cf%83%cf%84%ce%b9%ce%ba%ce%bf%ce%af-%ce%b5%ce%bd%ce%b9%cf%83%cf%87%cf%85%cf%84%ce%ad%cf%82","status":"publish","type":"post","link":"https:\/\/www.powercircuit.eu\/?p=189","title":{"rendered":"\u03a4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03bf\u03af \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ad\u03c2"},"content":{"rendered":"<h2><\/h2>\n<p>\u039f \u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03cc\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae\u03c2 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03b2\u03b1\u03c3\u03b9\u03ba\u03cc \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03cc \u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03bc\u03b1, \u03c5\u03c0\u03cc \u03bc\u03bf\u03c1\u03c6\u03ae 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\u03c4\u03b7\u03bd \u03ad\u03be\u03bf\u03b4\u03bf \u03c0\u03bf\u03c5 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c4\u03bf \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03bc\u03ad\u03bd\u03bf \u03c3\u03ae\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03c4\u03c9\u03bd \u03b4\u03c5\u03bf \u03b5\u03b9\u03c3\u03cc\u03b4\u03c9\u03bd, \u03bc\u03b5 \u03c0\u03bf\u03bb\u03cd \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b5\u03bd\u03af\u03c3\u03c7\u03c5\u03c3\u03b7, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03c5\u03bf \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5, \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03bc\u03b5 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03ae \u03c4\u03ac\u03c3\u03b7.<\/p>\n<p><a href=\"http:\/\/www.powercircuit.eu\/eikones\/te.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/www.powercircuit.eu\/eikones\/te.gif\" alt=\"\" width=\"340\" height=\"164\" \/><\/a><!--more--><\/p>\n<p>\u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf\u03c5 \u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c0\u03bf\u03bb\u03cd \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03ba\u03ad\u03c1\u03b4\u03bf\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03b1\u03bd\u03bf\u03b9\u03ba\u03c4\u03bf\u03cd \u03b2\u03c1\u03cc\u03b3\u03c7\u03bf\u03c5, \u03b7 \u03c0\u03bf\u03bb\u03cd \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b7 \u03bc\u03b9\u03ba\u03c1\u03ae \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5. \u03a3\u03c4\u03b7 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\u03a7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b7\u03ba\u03cc \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03c4\u03bf \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03ad\u03bd\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03af\u03b1 &#8220;741&#8221;, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03ad\u03c7\u03b5\u03b9 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 2\u039cOhms \u03ba\u03b1\u03b9 \u03ba\u03ad\u03c1\u03b4\u03bf\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03b1\u03bd\u03bf\u03b9\u03ba\u03c4\u03bf\u03cd \u03b2\u03c1\u03cc\u03c7\u03bf\u03c5 \u03af\u03c3\u03bf \u03bc\u03b5 100.000 \u03c3\u03c4\u03b9\u03c2 \u03c7\u03b1\u03bc\u03b7\u03bb\u03ad\u03c2 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2.<\/p>\n<p><a href=\"http:\/\/www.powercircuit.eu\/eikones\/te-gen.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/www.powercircuit.eu\/eikones\/te-gen.gif\" alt=\"\" width=\"420\" height=\"343\" hspace=\"230\" \/><\/a><\/p>\n<p>\u03a3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u03b1\u03c0\u03bb\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf \u03ba\u03c5\u03ba\u03bb\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03b3\u03b5\u03bd\u03b9\u03ba\u03bf\u03cd \u03c3\u03ba\u03bf\u03c0\u03bf\u03cd \u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae \u03b5\u03c5\u03c1\u03b5\u03af\u03b1\u03c2 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2. \u03a4\u03bf 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\u03b5\u03af\u03bd\u03b1\u03b9 \u03c5\u03c0\u03b5\u03cd\u03b8\u03c5\u03bd\u03bf \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c0\u03bf\u03bb\u03cd \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03ba\u03ad\u03c1\u03b4\u03bf\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae. \u03a4\u03bf \u03c4\u03c1\u03af\u03c4\u03bf \u03c4\u03bc\u03ae\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae\u03c2 push-pull \u03c4\u03ac\u03be\u03b7\u03c2 \u0392 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c5\u03c0\u03b5\u03cd\u03b8\u03c5\u03bd\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03bf\u03c7\u03ae \u03b9\u03c3\u03c7\u03cd\u03bf\u03c2 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03bf\u03bb\u03cd \u03bc\u03b9\u03ba\u03c1\u03ae \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5.<\/p>\n<blockquote>\n<h2>\u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03cc\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae\u03c2<\/h2>\n<\/blockquote>\n<p>\u039f \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03cc\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae\u03c2 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03c4\u03b7 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b1 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae. \u03a0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03b4\u03c5\u03bf \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b5\u03c2 \u03ba\u03bf\u03b9\u03bd\u03bf\u03cd \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03bf\u03cd \u03c3\u03c5\u03bd\u03b4\u03b5\u03b4\u03b5\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03bc\u03b5 \u03bc\u03b9\u03b1 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03bf\u03b9\u03bd\u03bf\u03cd \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03bf\u03cd, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1:<\/p>\n<p><a href=\"http:\/\/www.powercircuit.eu\/eikones\/te-diaf.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/www.powercircuit.eu\/eikones\/te-diaf.gif\" alt=\"\" width=\"532\" height=\"290\" hspace=\"200\" \/><\/a><\/p>\n<p>\u03a4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03c0\u03b1\u03bd\u03bf\u03bc\u03bf\u03b9\u03cc\u03c4\u03c5\u03c0\u03b1 \u03c4\u03c1\u03b1\u03bd\u03b6\u03af\u03c3\u03c4\u03bf\u03c1 \u03ba\u03b1\u03b9 \u03af\u03c3\u03b5\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c5\u03bb\u03bb\u03ad\u03ba\u03c4\u03b7. \u0397 \u03c4\u03ac\u03c3\u03b7 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5 \u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b1\u03bd \u03c4\u03b7\u03bd \u03c4\u03ac\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03c3\u03c5\u03bb\u03bb\u03b5\u03ba\u03c4\u03ce\u03bd. \u03a3\u03c4\u03b9\u03c2 \u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03b6\u03b5\u03cd\u03b3\u03bf\u03c5\u03c2 \u03c4\u03c1\u03b1\u03bd\u03b6\u03af\u03c3\u03c4\u03bf\u03c1 \u03bf\u03b4\u03b7\u03b3\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03c3\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 v1\u00a0\u03ba\u03b1\u03b9 v2\u00a0\u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03bf\u03cd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae. \u039f \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03cc\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03bf \u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03cc\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae\u03c2, \u03b5\u03bd\u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 \u03c4\u03bf \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03cc \u03c3\u03ae\u03bc\u03b1 \u03c4\u03c9\u03bd \u03b5\u03b9\u03c3\u03cc\u03b4\u03c9\u03bd \u03c4\u03bf\u03c5, \u03c0\u03bf\u03c5 \u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c9\u03c2 vd=v1-v2\u00a0\u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c1\u03c1\u03af\u03c0\u03c4\u03b5\u03b9 \u03c4\u03bf \u03ba\u03bf\u03b9\u03bd\u03cc \u03c3\u03ae\u03bc\u03b1 \u03c4\u03c9\u03bd \u03b5\u03b9\u03c3\u03cc\u03b4\u03c9\u03bd \u03c4\u03bf\u03c5, \u03c0\u03bf\u03c5 \u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c9\u03c2 vCM=(v1+v2)\/2. \u03a9\u03c2 \u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03c3\u03b7 \u03c0\u03b1\u03c1\u03b1\u03b8\u03ad\u03c4\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03c4\u03bf \u03ba\u03bf\u03b9\u03bd\u03cc \u03c3\u03ae\u03bc\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5.<\/p>\n<p>\u03a3\u03b5 \u03ad\u03bd\u03b1 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03cc \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b5\u03af\u03c4\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae \u03b5\u03af\u03c3\u03bf\u03b4\u03bf, \u03b5\u03af\u03c4\u03b5 \u03bc\u03bf\u03bd\u03ae \u03b5\u03af\u03c3\u03bf\u03b4\u03bf \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae \u03ad\u03be\u03bf\u03b4\u03bf \u03b1\u03bb\u03bb\u03ac \u03ba\u03b1\u03b9 \u03bc\u03bf\u03bd\u03ae \u03ad\u03be\u03bf\u03b4\u03bf, \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5. \u0398\u03b5\u03c9\u03c1\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bb\u03bf\u03cd\u03c3\u03c4\u03b5\u03c1\u03b7 \u03c3\u03c5\u03bd\u03b4\u03b5\u03c3\u03bc\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03bc\u03bf\u03bd\u03ae\u03c2 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03bc\u03bf\u03bd\u03ae\u03c2 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5, \u03cc\u03c0\u03c9\u03c2 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03bf \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c3\u03c7\u03ae\u03bc\u03b1.<\/p>\n<p><a href=\"http:\/\/www.powercircuit.eu\/eikones\/te-diaf2.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/www.powercircuit.eu\/eikones\/te-diaf2.gif\" alt=\"\" width=\"221\" height=\"280\" hspace=\"270\" \/><\/a><\/p>\n<p>\u03a3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1, \u03c4\u03bf \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03cc \u03c3\u03ae\u03bc\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03bc\u03b7 \u03b1\u03bd\u03b1\u03c3\u03c4\u03c1\u03ad\u03c6\u03bf\u03c5\u03c3\u03b1 \u03b5\u03af\u03c3\u03bf\u03b4\u03bf \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03bf\u03cd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03c3\u03c4\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 Q1, \u03b5\u03bd\u03ce \u03b7 \u03b1\u03bd\u03b1\u03c3\u03c4\u03c1\u03ad\u03c6\u03bf\u03c5\u03c3\u03b1 \u03b5\u03af\u03c3\u03bf\u03b4\u03bf\u03c2, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03b7 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 Q2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03b5\u03b9\u03c9\u03bc\u03ad\u03bd\u03b7. \u03a3&#8217; \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7 \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03b4\u03b5\u03bd \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03ba\u03bf\u03b9\u03bd\u03cc \u03c3\u03ae\u03bc\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03bf\u03cd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae. \u0388\u03be\u03bf\u03b4\u03bf vout\u00a0\u03c0\u03b1\u03af\u03c1\u03bd\u03bf\u03c5\u03bc\u03b5 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c3\u03c5\u03bb\u03bb\u03ad\u03ba\u03c4\u03b7 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03b1\u03bd\u03b6\u03af\u03c3\u03c4\u03bf\u03c1 \u03c4\u03bf\u03c5 Q2.<\/p>\n<p>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac, \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bb\u03b5\u03af\u03c0\u03bf\u03bd\u03c4\u03b1\u03b9, \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03ba\u03ad\u03c1\u03b4\u03bf\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03bf\u03cd \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b1\u03c5\u03c4\u03bf\u03cd \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03bf\u03cd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae \u03b5\u03af\u03bd\u03b1\u03b9: \u0391=RL\/2re\u00a0 , \u03cc\u03c0\u03bf\u03c5 RL\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c3\u03c4\u03bf \u03c3\u03c5\u03bb\u03bb\u03ad\u03ba\u03c4\u03b7 \u03ba\u03b1\u03b9 re\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03b1\u03bd\u03b6\u03af\u03c3\u03c4\u03bf\u03c1 \u03c0\u03bf\u03c5 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03cc \u03ba\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5 re=VT\/IE\u00a0, \u03cc\u03c0\u03bf\u03c5 VT\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03c4\u03ac\u03c3\u03b7 (\u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 \u03af\u03c3\u03b7 25.5mV \u03c3\u03c4\u03bf\u03c5\u03c2 25\u00a0\u03bfC) \u03ba\u03b1\u03b9 \u0399\u0395\u00a0\u03c4\u03bf DC \u03c1\u03b5\u03cd\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03bf\u03cd \u03c4\u03bf\u03c5 (\u03b5\u03bd\u03cc\u03c2) \u03c4\u03c1\u03b1\u03bd\u03b6\u03af\u03c3\u03c4\u03bf\u03c1 Q1.<\/p>\n<p><a href=\"http:\/\/www.powercircuit.eu\/eikones\/te-diaf3.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/www.powercircuit.eu\/eikones\/te-diaf3.gif\" alt=\"\" width=\"221\" height=\"280\" hspace=\"250\" \/><\/a><\/p>\n<p>\u03a3\u03c4\u03bf \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03bf\u03cd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae, \u03c5\u03c0\u03bf\u03b8\u03ad\u03c4\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03b5\u03af\u03c3\u03bf\u03b4\u03bf\u03b9 \u03ad\u03c7\u03bf\u03c5\u03bd \u03ba\u03bf\u03b9\u03bd\u03cc \u03c3\u03ae\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03b7\u03b4\u03b5\u03bd\u03b9\u03ba\u03cc \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03cc \u03c3\u03ae\u03bc\u03b1. \u0391\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03b7 \u03b5\u03bd\u03af\u03c3\u03c7\u03c5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03bf\u03b9\u03bd\u03bf\u03cd \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 vCM\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03c1\u03cc\u03c6\u03c9\u03c2 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03bf\u03b9\u03bd\u03ae\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 RE\u00a0\u03c4\u03c9\u03bd \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03ce\u03bd \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03bf\u03cd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae. \u0394\u03b7\u03bb\u03b1\u03b4\u03ae \u03cc\u03c3\u03bf \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03cc\u03c3\u03bf \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03c0\u03cc\u03c1\u03c1\u03b9\u03c8\u03b7 \u03ba\u03bf\u03b9\u03bd\u03bf\u03cd \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2. \u03a3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1 \u03c4\u03bf \u03ba\u03ad\u03c1\u03b4\u03bf\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03ba\u03bf\u03b9\u03bd\u03bf\u03cd \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 ACM=RC\/2RE<\/p>\n<p>\u03a3\u03b5 \u03ad\u03bd\u03b1 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03cc \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae, \u03bf \u03bb\u03cc\u03b3\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03ad\u03c1\u03b4\u03bf\u03c5\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03bf\u03cd \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u03ba\u03ad\u03c1\u03b4\u03bf\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03ba\u03bf\u03b9\u03bd\u03bf\u03cd \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bb\u03cc\u03b3\u03bf\u03c2 \u03b1\u03c0\u03cc\u03c1\u03c1\u03b9\u03c8\u03b7\u03c2 \u03ba\u03bf\u03b9\u03bd\u03bf\u03cd \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 (Common Mode Rejection Ratio CMRR) , \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1 CMRR=A\/ACM\u00a0. \u038c\u03c3\u03bf \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03bb\u03cc\u03b3\u03bf\u03c2 \u03b1\u03c0\u03cc\u03c1\u03c1\u03b9\u03c8\u03b7\u03c2 \u03ba\u03bf\u03b9\u03bd\u03bf\u03cd \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03cc\u03c3\u03bf \u03c4\u03bf \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf, \u03b3\u03b9\u03b1\u03c4\u03af \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03bf \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03cc\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 \u03c4\u03bf \u03b5\u03c0\u03b9\u03b8\u03c5\u03bc\u03b7\u03c4\u03cc \u03c3\u03ae\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c1\u03c1\u03af\u03c0\u03c4\u03b5\u03b9 \u03c4\u03bf \u03ba\u03bf\u03b9\u03bd\u03cc \u03c3\u03ae\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03b5\u03c0\u03b9\u03b8\u03cd\u03bc\u03b7\u03c4\u03bf.<\/p>\n<p>\u03a3\u03c4\u03bf\u03c5\u03c2 \u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ad\u03c2, \u03cc\u03c0\u03bf\u03c5 \u03c4\u03bf \u03c4\u03bc\u03ae\u03bc\u03b1 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03cc\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae\u03c2, \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b5\u03bd\u03af\u03c3\u03c7\u03c5\u03c3\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03bf\u03cd \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc\u03c1\u03c1\u03b9\u03c8\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03bf\u03b9\u03bd\u03bf\u03cd \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03bf\u03cd\u03bd \u03bc\u03b5\u03b3\u03ac\u03bb\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c4\u03c9\u03bd \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd \u03c3\u03c5\u03bb\u03bb\u03ad\u03ba\u03c4\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03ba\u03bf\u03b9\u03bd\u03ae\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03bf\u03cd. \u0391\u03c5\u03c4\u03cc \u03c0\u03b5\u03c4\u03c5\u03c7\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b5 \u03ba\u03b1\u03b8\u03c1\u03ad\u03c0\u03c4\u03b5\u03c2 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03c3\u03b1\u03bd \u03c0\u03b7\u03b3\u03ad\u03c2 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03ad\u03bd\u03b1 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03b1, \u03b3\u03b9\u03b1 \u03c4\u03bf \u03bb\u03cc\u03b3\u03bf \u03cc\u03c4\u03b9 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03cd \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7.<\/p>\n<blockquote>\n<h2>\u03a1\u03b5\u03cd\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03ac\u03c3\u03b7 \u03b1\u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03c1\u03af\u03b1\u03c2 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5<\/h2>\n<\/blockquote>\n<p>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03b9 \u03bf \u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03cc\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae\u03c2, \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b1 \u03c4\u03c1\u03b1\u03bd\u03b6\u03af\u03c3\u03c4\u03bf\u03c1 \u03c3\u03c4\u03bf \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac \u03c0\u03bf\u03bb\u03c9\u03bc\u03ad\u03bd\u03b1. \u0394\u03b7\u03bb\u03b1\u03b4\u03ae, \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03b5\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03b1 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bb\u03bb\u03ad\u03ba\u03c4\u03b7 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7\u03c2 \u03c4\u03b9\u03bc\u03ae\u03c2. \u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03cc \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae, \u03bf\u03b9 \u03b4\u03c5\u03bf \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b5\u03c2 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ac\u03b3\u03bf\u03c5\u03bd \u03ad\u03bd\u03b1 \u03bc\u03b9\u03ba\u03c1\u03cc DC \u03c1\u03b5\u03cd\u03bc\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03cc\u03bb\u03c9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c4\u03c1\u03b1\u03bd\u03b6\u03af\u03c3\u03c4\u03bf\u03c1 \u03c4\u03bf\u03c5.<\/p>\n<p>\u03a4\u03b1 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03b1 \u03c0\u03cc\u03bb\u03c9\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03b5\u03b9\u03c3\u03cc\u03b4\u03c9\u03bd \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2, 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\u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5. \u0391\u03c5\u03c4\u03ae \u03b7 \u03c4\u03ac\u03c3\u03b7 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03bf\u03c5\u03c3\u03af\u03b1 \u03bf\u03b9 \u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c4\u03ac\u03c3\u03b5\u03b9\u03c2, \u03c0\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b7\u03b8\u03b5\u03af \u03c3\u03c4\u03b9\u03c2 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03b1 \u03c0\u03cc\u03bb\u03c9\u03c3\u03b7\u03c2, \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03b1\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03ba\u03ad\u03c1\u03b4\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2.<\/p>\n<p>\u03a0\u03c1\u03bf\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03bd\u03b1 \u03b5\u03bb\u03b1\u03c7\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03b4\u03c1\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03c1\u03b5\u03c5\u03bc\u03ac\u03c4\u03c9\u03bd \u03c0\u03cc\u03bb\u03c9\u03c3\u03b7\u03c2, \u03c0\u03c1\u03bf\u03c3\u03b8\u03ad\u03c4\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03b7\u03bd \u03b5\u03af\u03c3\u03bf\u03b4\u03bf \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03bc\u03b9\u03b1 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03b8\u03bc\u03b9\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03cc\u03bb\u03c9\u03c3\u03b7\u03c2. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b7 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03b8\u03bc\u03b9\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03bb\u03cc \u03bd\u03b1 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03cc\u03bd\u03bf \u03cc\u03c4\u03b1\u03bd \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03cc\u03bb\u03c9\u03c3\u03b7\u03c2, \u03b3\u03b9\u03b1\u03c4\u03af \u03c0\u03c1\u03bf\u03c3\u03b8\u03ad\u03c4\u03b5\u03b9 \u03b8\u03cc\u03c1\u03c5\u03b2\u03bf \u03c3\u03c4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1.<\/p>\n<p>\u03a3\u03b5 \u03ad\u03bd\u03b1 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03cc \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u03b5\u03be\u03ae\u03c2 \u03c6\u03b1\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf: \u03a3\u03c4\u03b7\u03bd \u03ad\u03be\u03bf\u03b4\u03bf \u03c4\u03bf\u03c5, \u03bc\u03b5 \u03b3\u03b5\u03b9\u03c9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03b4\u03c5\u03bf \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5\u03c2 \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b9\u03b1 DC \u03c4\u03ac\u03c3\u03b7. \u0397 \u03c4\u03ac\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ae \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03b7-\u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03bf \u03c4\u03b1\u03af\u03c1\u03b9\u03b1\u03c3\u03bc\u03b1 (mismatch) \u03c4\u03c9\u03bd \u03c4\u03c1\u03b1\u03bd\u03b6\u03af\u03c3\u03c4\u03bf\u03c1 \u03c4\u03b7\u03c2 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b1\u03c2 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b5\u03c2 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03b1\u03bd\u03b1\u03c0\u03cc\u03c6\u03b5\u03c5\u03ba\u03c4\u03b5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03c1\u03af\u03b5\u03c2 \u03c3\u03c4\u03bf \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae. \u03a0\u03c1\u03bf\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03bd\u03b1 \u03bc\u03b7\u03b4\u03b5\u03bd\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u00a0\u03b1\u03c5\u03c4\u03ae\u03bd \u03c4\u03b7\u03bd \u03c4\u03ac\u03c3\u03b7 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5, \u03bc\u03b9\u03b1 \u03b4\u03b9\u03bf\u03c1\u03b8\u03c9\u03c4\u03b9\u03ba\u03ae DC \u03c4\u03ac\u03c3\u03b7 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03c3\u03c4\u03b5\u03af \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03b1\u03ba\u03c1\u03bf\u03b4\u03b5\u03ba\u03c4\u03ce\u03bd \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae. \u0397 \u03c4\u03ac\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c4\u03ac\u03c3\u03b7 \u03b1\u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03c1\u03af\u03b1\u03c2 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 (Input Offset Voltage) \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03ba\u03c5\u03bc\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03bb\u03af\u03b3\u03b1 \u03bcV \u03bc\u03ad\u03c7\u03c1\u03b9 \u03bc\u03b5\u03c1\u03b9\u03ba\u03ac mV.<\/p>\n<p>\u0393\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03be\u03ac\u03bb\u03b5\u03b9\u03c8\u03b7 \u03c4\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 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