{"id":487,"date":"2013-10-04T23:01:31","date_gmt":"2013-10-04T21:01:31","guid":{"rendered":"http:\/\/wp.oktay.com\/?page_id=487"},"modified":"2015-06-06T02:08:53","modified_gmt":"2015-06-06T00:08:53","slug":"electronic-formulars-deen","status":"publish","type":"page","link":"https:\/\/wp.oktay.com\/?page_id=487","title":{"rendered":"Electronic Formulars"},"content":{"rendered":"<p><strong>monoflop time:<\/strong><br \/>\nt=0,7*(C1*R2) ==<br \/>\nC1=t\/(0,7*R2) ==<br \/>\nR2=t\/(0,7*C1) ==<\/p>\n<p>beispiel: C1=22\u00b5F, R2=10K == t=0.154 Sec.<br \/>\nbeispiel: C1=22\u00b5F, R2=100K == t=1.54 Sec.<\/p>\n<p><strong>effektiv wert wechselspannung<\/strong><br \/>\n1\/(wurzel 2) * wechselspannung.<br \/>\nBeispiel:<br \/>\n~12V * 1\/(Wurzel 2) =<br \/>\n~12V * 1\/1,4142 =<br \/>\n~12V * 0,7071 =<br \/>\n~12V = 8,4852V eff.<br \/>\naber meistens sind ~12V nur der Effektivwert und tats\u00e4chlich 17V oder gar 20V Spitze Spitze.<\/p>\n<p><strong>spannungsteiler:<\/strong><br \/>\nu2 (an r2)<\/p>\n<p>U2 = U1 * ( R2 \/ (R1+R2) )<br \/>\nR1 = R2 * ( (U1-U2)\/U2 )<br \/>\nR2 = R1 * ( U2\/(U1-U2) )<\/p>\n<pre>o----o  U1\r\n     _\r\n    | |\r\n    | | R1\r\n     -\r\n     o-------o\r\n     |      \r\n     o\r\n     _\r\n    | | R2     U2\r\n    | |\r\n     -\r\n     o-------o\r\n     |\r\no----o  GND<\/pre>\n<p><strong>lm317 calc:<\/strong><br \/>\n<a title=\"lm317 calc\" href=\"http:\/\/oktay.com\/lm317.html\" target=\"_blank\">http:\/\/oktay.com\/lm317.html<\/a><\/p>\n<p>&nbsp;<\/p>\n<pre>  Vin       Vout\r\n--o--[LM317]-----o----o---o Vout\r\n  |     | ADJ    |    |\r\n  _     |     240R1   |\r\nC1_     o--------|    _\r\n.1|\u00b5F   |             _ C2 \r\n  |     R2            | 1\u00b5F\r\n  |     |             |\r\n--o-----------------------o--\r\n  |\r\n  _\r\n  -<\/pre>\n<p><strong>rearranging formular lm317 example:<\/strong><br \/>\nVout = 1.25(1+R2\/R1)<br \/>\n=<br \/>\nVout = (1.25) * (1+(R2\/R1))<br \/>\n=<br \/>\nVout\/1.25 = 1+(R2\/R1)<br \/>\n=<br \/>\n(Vout\/1.25)-1 = R2\/R1<br \/>\n=<br \/>\nR2\/((Vout\/1.25)-1) = R1<br \/>\nOR<br \/>\n=<br \/>\nR1*((Vout\/1.25)-1) = R2<br \/>\nR2 = R1*((Vout\/1.25)-1)<\/p>\n<p>&nbsp;<\/p>\n<p>check also out:<\/p>\n<p>http:\/\/www.youtube.com\/watch?feature=player_detailpage&#038;v=lKqYwKdLgRY#t=1065<\/p>\n","protected":false},"excerpt":{"rendered":"<p>monoflop time: t=0,7*(C1*R2) == C1=t\/(0,7*R2) == R2=t\/(0,7*C1) == beispiel: C1=22\u00b5F, R2=10K == t=0.154 Sec. beispiel: C1=22\u00b5F, R2=100K == t=1.54 Sec. effektiv wert wechselspannung 1\/(wurzel 2) * wechselspannung. Beispiel: ~12V * 1\/(Wurzel 2) = ~12V * 1\/1,4142 = ~12V * 0,7071 = ~12V = 8,4852V eff. aber meistens sind ~12V nur der Effektivwert und tats\u00e4chlich 17V [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-487","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/wp.oktay.com\/index.php?rest_route=\/wp\/v2\/pages\/487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.oktay.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/wp.oktay.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/wp.oktay.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.oktay.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=487"}],"version-history":[{"count":10,"href":"https:\/\/wp.oktay.com\/index.php?rest_route=\/wp\/v2\/pages\/487\/revisions"}],"predecessor-version":[{"id":608,"href":"https:\/\/wp.oktay.com\/index.php?rest_route=\/wp\/v2\/pages\/487\/revisions\/608"}],"wp:attachment":[{"href":"https:\/\/wp.oktay.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}