{"id":5660,"date":"2022-01-04T15:07:00","date_gmt":"2022-01-04T12:07:00","guid":{"rendered":"http:\/\/www.temrinler.com\/?p=5660"},"modified":"2023-11-20T12:18:40","modified_gmt":"2023-11-20T09:18:40","slug":"islemsel-yukseltecle-turn-off-devresi","status":"publish","type":"post","link":"https:\/\/www.temrinler.com\/?p=5660","title":{"rendered":"\u0130\u015flemsel y\u00fckselte\u00e7le Turn off devresi"},"content":{"rendered":"

G\u00f6rsel 3.17\u2019daki devrede turn off devresi\u00a0 i\u015flemsel y\u00fckseltecin kar\u015f\u0131la\u015ft\u0131r\u0131c\u0131 olarak kullan\u0131lmas\u0131yla yap\u0131lm\u0131\u015ft\u0131r. Devreye enerji verildi\u011finde eviren giri\u015fteki Vref noktas\u0131 R2 ve R3 gerilim b\u00f6l\u00fcc\u00fc diren\u00e7leriyle yakla\u015f\u0131k olarak 1 V olur. Evirmeyen giri\u015fteki Vg noktas\u0131 ise 0 V\u2019tur. Eviren giri\u015f evirmeyen giri\u015ften b\u00fcy\u00fck oldu\u011fundan kar\u015f\u0131la\u015ft\u0131r\u0131c\u0131n\u0131n \u00e7\u0131k\u0131\u015f\u0131 negatiftir ve LED s\u00f6n\u00fckt\u00fcr. B butonuna bas\u0131ld\u0131\u011f\u0131 anda C1 kondansat\u00f6r kaynak gerilimine (yakla\u015f\u0131k 12V) \u015farj olur. Vg>Vref oldu\u011fundan \u00e7\u0131k\u0131\u015f pozitif olur ve LED yanar. Butondan el \u00e7ekildi\u011finde C1 kondansat\u00f6r\u00fc R1 ve potansiyometre \u00fczerinden de\u015farj olur. De\u015farj s\u00fcresi R1, POT ve C1\u2019e ba\u011fl\u0131d\u0131r. C1 \u00fczerindeki gerilim (Vg), Vref geriliminin (yakla\u015f\u0131k 1 V) alt\u0131na indi\u011finde \u00e7\u0131k\u0131\u015f negatif olur ve LED s\u00f6ner.<\/p>\n

\"\"<\/a><\/p>\n

G\u00f6rsel 3.17:\u0130\u015flemsel y\u00fckselte\u00e7li Turn off devresi<\/p>\n

 <\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 MALZEME L\u0130STES\u0130<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n
Ad\u0131<\/strong><\/td>\n\u00d6zelli\u011fi<\/strong><\/td>\nSembol\u00fc<\/strong><\/td>\nG\u00f6r\u00fcn\u00fc\u015f\u00fc<\/strong><\/td>\nMiktar\u0131<\/strong><\/td>\n<\/tr>\n
Opamp<\/strong><\/td>\n741(DIL-08 k\u0131l\u0131f)<\/td>\n<\/td>\n<\/td>\n1 adet<\/td>\n<\/tr>\n
Diren\u00e7<\/strong><\/td>\n1k<\/td>\n<\/td>\n<\/td>\n3 adet<\/td>\n<\/tr>\n
Diren\u00e7<\/strong><\/td>\n10k<\/td>\n<\/td>\n<\/td>\n1 adet<\/td>\n<\/tr>\n
Potansiyometre<\/strong><\/td>\n1M<\/td>\n<\/td>\n<\/td>\n1 adet<\/td>\n<\/tr>\n
LED<\/strong><\/td>\nK\u0131rm\u0131z\u0131<\/td>\n<\/td>\n<\/td>\n1 adet<\/td>\n<\/tr>\n
Buton<\/strong><\/td>\nPush buton (Ba\u015flatma) NO<\/td>\n<\/td>\n<\/td>\n1 adet<\/td>\n<\/tr>\n
Kondansat\u00f6r<\/strong><\/td>\n1000uf\/16V<\/td>\n<\/td>\n<\/td>\n1 adet<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0<\/strong><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0130\u015eLEM BASAMAKLARI<\/strong><\/p>\n

    \n
  1. G\u00f6rsel 3.17\u2019daki devreyi kurunuz.<\/li>\n
  2. Voltmetreyi V\u00e7 nokast\u0131na ba\u011flay\u0131n\u0131z.<\/li>\n
  3. Butona basarak LED\u2019in yan\u0131k ve s\u00f6n\u00fck durumlar\u0131nda V\u00e7 gerilimini \u00f6l\u00e7\u00fcp Tablo 3.12\u2019ye yaz\u0131n\u0131z.<\/li>\n
  4. Voltmetreyi evirmeyen giri\u015fe (Vg) ba\u011flay\u0131n\u0131z. Butona basarak Vg gerilimini g\u00f6zlemleyiniz? Vg<Vref oldu\u011funda LED s\u00f6necektir.<\/li>\n
  5. Potansiyometrenin farkl\u0131 konumlar\u0131nda butona basarak devrenin \u00e7al\u0131\u015fmas\u0131n\u0131 g\u00f6zlemleyiniz.<\/li>\n<\/ol>\n

    \u00a0<\/strong><\/p>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 DE\u011eERLEND\u0130RMELER<\/strong><\/p>\n

    Tablo 3.12: V\u00e7 gerilimini \u00f6l\u00e7me<\/p>\n\n\n\n\n
    \u00c7\u0131k\u0131\u015f Gerilimi<\/strong><\/td>\nLED Yan\u0131k<\/strong><\/td>\nLED S\u00f6n\u00fck<\/strong><\/td>\n<\/tr>\n
    V\u00e7<\/strong><\/td>\n <\/td>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u00a0<\/strong><\/p>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 SORULAR<\/strong><\/p>\n

      \n
    1. C1 kondansat\u00f6r\u00fc hangi diren\u00e7ler \u00fczerinden de\u015farj olmaktad\u0131r?<\/li>\n
    2. R3 direncinin de\u011feriyle LED\u2019in yanma s\u00fcresi aras\u0131nda nas\u0131l bir ili\u015fki vard\u0131r?<\/li>\n
    3. LED\u2019in y\u00f6n\u00fcn\u00fc ters \u00e7evirirsek devre hangi devreye d\u00f6n\u00fc\u015f\u00fcr?<\/li>\n<\/ol>\n

       <\/p>\n

       <\/p>\n\n\n

      Tabii, i\u015fte cevaplar\u0131n\u0131z:<\/p>\n\n\n\n

        \n
      1. C1 kondansat\u00f6r\u00fc hangi diren\u00e7ler \u00fczerinden de\u015farj olmaktad\u0131r?<\/strong> C1 kondansat\u00f6r\u00fc, genellikle devredeki parazitik diren\u00e7ler \u00fczerinden de\u015farj olur. Bu diren\u00e7ler, devre kart\u0131 izolasyon diren\u00e7leri, ba\u011flant\u0131 telleri ve bile\u015fen ba\u011flant\u0131lar\u0131 gibi fakt\u00f6rlerden kaynaklan\u0131r. Ayr\u0131ca, devredeki herhangi bir diren\u00e7, kondansat\u00f6r\u00fcn de\u015farj s\u00fcrecini etkileyebilir.<\/li>\n\n\n\n
      2. R3 direncinin de\u011feriyle LED\u2019in yanma s\u00fcresi aras\u0131nda nas\u0131l bir ili\u015fki vard\u0131r?<\/strong> R3 direncinin de\u011feri, LED’in yanma s\u00fcresini etkileyebilir. LED’in parlakl\u0131\u011f\u0131, genellikle LED’e giden ak\u0131m taraf\u0131ndan belirlenir ve bu ak\u0131m, LED’in do\u011fru \u015fekilde \u00e7al\u0131\u015fabilmesi i\u00e7in uygun bir de\u011ferde olmal\u0131d\u0131r. R3 direncinin de\u011feri, LED’e giden ak\u0131m\u0131 s\u0131n\u0131rlar. Daha y\u00fcksek bir R3 de\u011feri, LED’e giden ak\u0131m\u0131 azalt\u0131r ve dolay\u0131s\u0131yla LED’in yanma s\u00fcresini uzat\u0131rken, daha d\u00fc\u015f\u00fck bir R3 de\u011feri LED’e giden ak\u0131m\u0131 art\u0131r\u0131r ve LED’in yanma s\u00fcresini k\u0131saltabilir.<\/li>\n\n\n\n
      3. LED\u2019in y\u00f6n\u00fcn\u00fc ters \u00e7evirirsek devre hangi devreye d\u00f6n\u00fc\u015f\u00fcr?<\/strong> LED’in y\u00f6n\u00fcn\u00fc ters \u00e7evirirseniz, devre \u00e7\u0131k\u0131\u015fta genellikle d\u00fc\u015f\u00fck ge\u00e7iren bir filtre devresine d\u00f6n\u00fc\u015f\u00fcr. Buna ge\u00e7iren (pas ge\u00e7en) bir filtre de denilebilir. LED ters y\u00f6nde oldu\u011funda, normalde iletken olan LED’in ters y\u00f6nde b\u00fcy\u00fck bir direnci vard\u0131r. Bu, devredeki sinyallerin genellikle filtrelenmesine ve belirli frekanslar\u0131n d\u00fc\u015f\u00fck ge\u00e7irgenli\u011fine yol a\u00e7ar. Bu, \u00f6zellikle i\u015fitsel ve sinyal i\u015fleme devrelerinde kullan\u0131lan bir tekniktir.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

        G\u00f6rsel 3.17\u2019daki devrede turn off devresi\u00a0 i\u015flemsel y\u00fckseltecin kar\u015f\u0131la\u015ft\u0131r\u0131c\u0131 olarak kullan\u0131lmas\u0131yla yap\u0131lm\u0131\u015ft\u0131r. Devreye enerji verildi\u011finde eviren giri\u015fteki Vref noktas\u0131 R2 ve R3 gerilim b\u00f6l\u00fcc\u00fc diren\u00e7leriyle yakla\u015f\u0131k olarak 1 V olur. Evirmeyen giri\u015fteki Vg noktas\u0131 ise 0 V\u2019tur. Eviren giri\u015f evirmeyen giri\u015ften b\u00fcy\u00fck oldu\u011fundan kar\u015f\u0131la\u015ft\u0131r\u0131c\u0131n\u0131n \u00e7\u0131k\u0131\u015f\u0131 negatiftir ve LED s\u00f6n\u00fckt\u00fcr. B butonuna bas\u0131ld\u0131\u011f\u0131 anda C1 kondansat\u00f6r […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[63,76],"tags":[],"_links":{"self":[{"href":"https:\/\/www.temrinler.com\/index.php?rest_route=\/wp\/v2\/posts\/5660"}],"collection":[{"href":"https:\/\/www.temrinler.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.temrinler.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.temrinler.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.temrinler.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5660"}],"version-history":[{"count":0,"href":"https:\/\/www.temrinler.com\/index.php?rest_route=\/wp\/v2\/posts\/5660\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.temrinler.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.temrinler.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.temrinler.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}