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Electronics"},"subtitle":{"type":"html","$t":""},"link":[{"rel":"http://schemas.google.com/g/2005#feed","type":"application/atom+xml","href":"http:\/\/www.learnerswings.com\/feeds\/posts\/default"},{"rel":"self","type":"application/atom+xml","href":"http:\/\/www.blogger.com\/feeds\/6452105337873332232\/posts\/default\/-\/5V+Voltage+Regulator?alt=json-in-script\u0026max-results=8"},{"rel":"alternate","type":"text/html","href":"http:\/\/www.learnerswings.com\/search\/label\/5V%20Voltage%20Regulator"},{"rel":"hub","href":"http://pubsubhubbub.appspot.com/"}],"author":[{"name":{"$t":"realfinetime"},"uri":{"$t":"http:\/\/www.blogger.com\/profile\/10464280231816201372"},"email":{"$t":"noreply@blogger.com"},"gd$image":{"rel":"http://schemas.google.com/g/2005#thumbnail","width":"16","height":"16","src":"https:\/\/img1.blogblog.com\/img\/b16-rounded.gif"}}],"generator":{"version":"7.00","uri":"http://www.blogger.com","$t":"Blogger"},"openSearch$totalResults":{"$t":"3"},"openSearch$startIndex":{"$t":"1"},"openSearch$itemsPerPage":{"$t":"8"},"entry":[{"id":{"$t":"tag:blogger.com,1999:blog-6452105337873332232.post-1795456517759763787"},"published":{"$t":"2015-01-30T23:33:00.002-08:00"},"updated":{"$t":"2016-11-15T19:19:54.649-08:00"},"category":[{"scheme":"http://www.blogger.com/atom/ns#","term":"3.3 V Voltage Regulator"},{"scheme":"http://www.blogger.com/atom/ns#","term":"5V Voltage Regulator"},{"scheme":"http://www.blogger.com/atom/ns#","term":"Basic Electronics"},{"scheme":"http://www.blogger.com/atom/ns#","term":"Electronics"},{"scheme":"http://www.blogger.com/atom/ns#","term":"Voltage Regulator"}],"title":{"type":"text","$t":"Bought One New \"Breadboard Power Supply\", Amazing by it's Design and Features"},"content":{"type":"html","$t":"\u003Cdiv dir=\"ltr\" style=\"text-align: left;\" trbidi=\"on\"\u003E\u003Cdiv class=\"separator\" style=\"clear: both; text-align: left;\"\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; Power supply is always a big issue in many electronic circuits. For the proper working of circuit and to get the expected result, a steady and ripple less DC power supply is essential. I had been searching for a good DC breadboard power supply since the last few months and I got one from \u003Ca href=\"http:\/\/www.rhydolabz.com\/index.php?main_page=product_info\u0026amp;products_id=1717\" target=\"_blank\"\u003ErhydoLABZ\u003C\/a\u003E. I am satisfied in this product because of it's many awesome features. One of the important feature is it's construction. Board can be easily fixed to breadboard as shown in the following image. Another important feature is the facility to power it from computer as well as from external voltage source.\u003C\/div\u003E\u003Cdiv class=\"separator\" style=\"clear: both; text-align: center;\"\u003E\u003Ca href=\"http:\/\/4.bp.blogspot.com\/-WCcg2qImiGQ\/VMx5ws0FBdI\/AAAAAAAAcuk\/_DMdOFh1-AA\/s1600\/Screenshot%2Bfrom%2Bguvcview_video-28.mkv%2B-%2B1.png\" imageanchor=\"1\" style=\"clear: left; float: left; margin-bottom: 1em; margin-right: 1em;\"\u003E\u003Cimg border=\"0\" height=\"360\" src=\"https:\/\/4.bp.blogspot.com\/-WCcg2qImiGQ\/VMx5ws0FBdI\/AAAAAAAAcuk\/_DMdOFh1-AA\/s1600\/Screenshot%2Bfrom%2Bguvcview_video-28.mkv%2B-%2B1.png\" width=\"640\" \/\u003E\u003C\/a\u003E\u003C\/div\u003E\u003Ch3 style=\"text-align: left;\"\u003E\u003Cb\u003EMore features of the product is given below.\u003C\/b\u003E\u003C\/h3\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp;Locking ON \/ OFF Switch\u003Cbr \/\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp;LED Power Indicator\u003Cbr \/\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp;Input Voltage: 6.5 V to 12 V (DC) or USB Power Supply\u003Cbr \/\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp;Output Voltage : 3.3 V \/ 5 V\u003Cbr \/\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp;Maximum Output Current: 700 mA\u003Cbr \/\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp;Power Rails 0 V, 3.3 V, 5 V on Breadboard\u003Cbr \/\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp;Size: 5.3 cm × 3.5 cm\u003Cbr \/\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp;Two Groups of Header Pins\u003Cbr \/\u003E\u003Cbr \/\u003E\u003Cdiv\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; Some more images of the product is given below. For more images, details and to purchase the product online, visit \u003Ca href=\"http:\/\/www.rhydolabz.com\/index.php?main_page=product_info\u0026amp;products_id=1717\" target=\"_blank\"\u003ErhydoLABZ\u003C\/a\u003E.\u003C\/div\u003E\u003Cdiv class=\"separator\" style=\"clear: both; text-align: center;\"\u003E\u003Ca href=\"http:\/\/2.bp.blogspot.com\/-Y5l8pZMb96Q\/VMx9iC01FhI\/AAAAAAAAcuw\/PnikDFUw9Nk\/s1600\/Screenshot%2Bfrom%2Bguvcview_video-28.mkv%2B-%2B4.png\" imageanchor=\"1\" style=\"clear: left; float: left; margin-bottom: 1em; margin-right: 1em;\"\u003E\u003Cimg border=\"0\" height=\"360\" src=\"https:\/\/2.bp.blogspot.com\/-Y5l8pZMb96Q\/VMx9iC01FhI\/AAAAAAAAcuw\/PnikDFUw9Nk\/s1600\/Screenshot%2Bfrom%2Bguvcview_video-28.mkv%2B-%2B4.png\" width=\"640\" \/\u003E\u003C\/a\u003E\u003C\/div\u003E\u003Cbr \/\u003E\u003Cdiv class=\"separator\" style=\"clear: both; text-align: center;\"\u003E\u003Ca href=\"http:\/\/1.bp.blogspot.com\/-rtjm-h64gI4\/VMx9jmEtl_I\/AAAAAAAAcu4\/cZzDKQIPvAs\/s1600\/Screenshot%2Bfrom%2Bguvcview_video-28.mkv%2B-%2B5.png\" imageanchor=\"1\" style=\"clear: left; float: left; margin-bottom: 1em; margin-right: 1em;\"\u003E\u003Cimg border=\"0\" height=\"360\" src=\"https:\/\/1.bp.blogspot.com\/-rtjm-h64gI4\/VMx9jmEtl_I\/AAAAAAAAcu4\/cZzDKQIPvAs\/s1600\/Screenshot%2Bfrom%2Bguvcview_video-28.mkv%2B-%2B5.png\" width=\"640\" \/\u003E\u003C\/a\u003E\u003C\/div\u003E\u003Cdiv\u003E\u003C\/div\u003E\u003C\/div\u003E"},"link":[{"rel":"replies","type":"application/atom+xml","href":"http:\/\/www.learnerswings.com\/feeds\/1795456517759763787\/comments\/default","title":"Post Comments"},{"rel":"replies","type":"text/html","href":"http:\/\/www.learnerswings.com\/2015\/01\/brought-one-new-breadboard-power-supply.html#comment-form","title":"1 Comments"},{"rel":"edit","type":"application/atom+xml","href":"http:\/\/www.blogger.com\/feeds\/6452105337873332232\/posts\/default\/1795456517759763787"},{"rel":"self","type":"application/atom+xml","href":"http:\/\/www.blogger.com\/feeds\/6452105337873332232\/posts\/default\/1795456517759763787"},{"rel":"alternate","type":"text/html","href":"http:\/\/www.learnerswings.com\/2015\/01\/brought-one-new-breadboard-power-supply.html","title":"Bought One New \"Breadboard Power Supply\", Amazing by it's Design and Features"}],"author":[{"name":{"$t":"realfinetime"},"uri":{"$t":"http:\/\/www.blogger.com\/profile\/10464280231816201372"},"email":{"$t":"noreply@blogger.com"},"gd$image":{"rel":"http://schemas.google.com/g/2005#thumbnail","width":"16","height":"16","src":"https:\/\/img1.blogblog.com\/img\/b16-rounded.gif"}}],"media$thumbnail":{"xmlns$media":"http://search.yahoo.com/mrss/","url":"https:\/\/4.bp.blogspot.com\/-WCcg2qImiGQ\/VMx5ws0FBdI\/AAAAAAAAcuk\/_DMdOFh1-AA\/s72-c\/Screenshot%2Bfrom%2Bguvcview_video-28.mkv%2B-%2B1.png","height":"72","width":"72"},"thr$total":{"$t":"1"}},{"id":{"$t":"tag:blogger.com,1999:blog-6452105337873332232.post-1090649463329951410"},"published":{"$t":"2014-07-24T10:33:00.002-07:00"},"updated":{"$t":"2016-11-15T20:03:56.127-08:00"},"category":[{"scheme":"http://www.blogger.com/atom/ns#","term":"5V Voltage Regulator"},{"scheme":"http://www.blogger.com/atom/ns#","term":"7805"},{"scheme":"http://www.blogger.com/atom/ns#","term":"7905"},{"scheme":"http://www.blogger.com/atom/ns#","term":"Analog Electronics"},{"scheme":"http://www.blogger.com/atom/ns#","term":"Electronics"},{"scheme":"http://www.blogger.com/atom/ns#","term":"Negative Voltage Regulator"},{"scheme":"http://www.blogger.com/atom/ns#","term":"Voltage Regulator"}],"title":{"type":"text","$t":"-5V-0-5V Voltage Regulator Using 7805 and 7905"},"content":{"type":"html","$t":"\u003Cdiv dir=\"ltr\" style=\"text-align: left;\" trbidi=\"on\"\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; We have already seen the \u003Ca href=\"http:\/\/www.learnerswings.com\/2014\/06\/few-simple-tips-for-efficient-use-of.html\" target=\"_blank\"\u003ESimple Tips for Efficient use of 78xx Linear Voltage Regulators\u003C\/a\u003E\u0026nbsp;and\u0026nbsp;\u003Ca href=\"http:\/\/www.learnerswings.com\/2014\/07\/79xx-series-three-terminal-voltage.html\" target=\"_blank\"\u003E79xx Series Three Terminal Voltage Regulators\u003C\/a\u003E. In this blog, we will see the regulated dual power supply using 7805 and 7905. Regulated dual power supply is designed to create positive and negative voltages. Such voltages are normally used in op-amps.\u003Cbr \/\u003E\u003Cdiv dir=\"ltr\" style=\"text-align: left;\" trbidi=\"on\"\u003E\u003Cbr \/\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; A simple circuit to create regulated dual power supply is given below. A positive voltage regulator (7805) and a negative voltage regulator (7905) is used in this circuit. Seperate power supplies ( 9V Transistor battery ) are given to both regulators individually. Filter capacitors are normally connected across the input and output of regulators. Value of capacitance depends on the regulator. Two diodes, D1 and D2 should be connected for reverse bias protection of the regulators. Similarly another two diodes, D3 and D4 should be connected for output polarity reversal protection. Voltage at the output side of 7805 will be\u0026nbsp;+5V and voltage at the output side of 7905 will be -5V. Common point of both ICs will be shorted and the voltage at this point will be 0V.\u003Cbr \/\u003E\u003Cbr \/\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; Voltage across the output of 7805 and common will be 5V. Similarly, voltage across the common and output of 7905 will be 5V. Voltage across the output of 7805 and 7905 will be 10V.\u003Cbr \/\u003E\u003Cdiv class=\"separator\" style=\"clear: both; text-align: center;\"\u003E\u003C\/div\u003E\u003Cdiv class=\"separator\" style=\"clear: both; text-align: center;\"\u003E\u003C\/div\u003E\u003Cdiv class=\"separator\" style=\"clear: both; text-align: center;\"\u003E\u003C\/div\u003E\u003Cdiv class=\"separator\" style=\"clear: both; text-align: center;\"\u003E\u003C\/div\u003E\u003Cdiv class=\"separator\" style=\"clear: both; text-align: center;\"\u003E\u003Ca href=\"http:\/\/1.bp.blogspot.com\/-Hk8SDxZO6VQ\/U9FIJEg85CI\/AAAAAAAAUHM\/2OiUULC3ihE\/s1600\/TllyPd1406221048.jpg\" imageanchor=\"1\" style=\"clear: left; float: left; margin-bottom: 1em; margin-right: 1em;\"\u003E\u003Cimg border=\"0\" height=\"406\" src=\"https:\/\/1.bp.blogspot.com\/-Hk8SDxZO6VQ\/U9FIJEg85CI\/AAAAAAAAUHM\/2OiUULC3ihE\/s1600\/TllyPd1406221048.jpg\" width=\"640\" \/\u003E\u003C\/a\u003E\u003C\/div\u003E\u003Cbr \/\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; Pinout diagram of 7805 and 7905 is given below. In 7805 first pin is the input, second pin is the common and third pin is output. But in 7905, first pin is common, second pin is input and third pin is the output.\u003Cbr \/\u003E\u003Cdiv class=\"separator\" style=\"clear: both; text-align: center;\"\u003E\u003Ca href=\"http:\/\/4.bp.blogspot.com\/-opaTlI9UCDc\/U9ED95YB-CI\/AAAAAAAAUGU\/-JAFNK8Haks\/s1600\/white.jpg\" imageanchor=\"1\" style=\"clear: left; float: left; margin-bottom: 1em; margin-right: 1em;\"\u003E\u003Cimg border=\"0\" height=\"334\" src=\"https:\/\/4.bp.blogspot.com\/-opaTlI9UCDc\/U9ED95YB-CI\/AAAAAAAAUGU\/-JAFNK8Haks\/s1600\/white.jpg\" width=\"640\" \/\u003E\u003C\/a\u003E\u003C\/div\u003E\u003Cbr \/\u003EIf the circuit is done successfully, check the\u003Cbr \/\u003E\u003Cbr \/\u003E\u0026nbsp; 1. Voltage across output of 7805 and common - 5V\u003Cbr \/\u003E\u0026nbsp; 2. Voltage across common and output of 7905 - 5V\u003Cbr \/\u003E\u0026nbsp; 3. Voltage across output of 7805 and output of 7905 - 10V\u003C\/div\u003E\u003C\/div\u003E"},"link":[{"rel":"replies","type":"application/atom+xml","href":"http:\/\/www.learnerswings.com\/feeds\/1090649463329951410\/comments\/default","title":"Post Comments"},{"rel":"replies","type":"text/html","href":"http:\/\/www.learnerswings.com\/2014\/07\/5v-0-5v-voltage-regulator-using-7805.html#comment-form","title":"0 Comments"},{"rel":"edit","type":"application/atom+xml","href":"http:\/\/www.blogger.com\/feeds\/6452105337873332232\/posts\/default\/1090649463329951410"},{"rel":"self","type":"application/atom+xml","href":"http:\/\/www.blogger.com\/feeds\/6452105337873332232\/posts\/default\/1090649463329951410"},{"rel":"alternate","type":"text/html","href":"http:\/\/www.learnerswings.com\/2014\/07\/5v-0-5v-voltage-regulator-using-7805.html","title":"-5V-0-5V Voltage Regulator Using 7805 and 7905"}],"author":[{"name":{"$t":"realfinetime"},"uri":{"$t":"http:\/\/www.blogger.com\/profile\/10464280231816201372"},"email":{"$t":"noreply@blogger.com"},"gd$image":{"rel":"http://schemas.google.com/g/2005#thumbnail","width":"16","height":"16","src":"https:\/\/img1.blogblog.com\/img\/b16-rounded.gif"}}],"media$thumbnail":{"xmlns$media":"http://search.yahoo.com/mrss/","url":"https:\/\/1.bp.blogspot.com\/-Hk8SDxZO6VQ\/U9FIJEg85CI\/AAAAAAAAUHM\/2OiUULC3ihE\/s72-c\/TllyPd1406221048.jpg","height":"72","width":"72"},"thr$total":{"$t":"0"}},{"id":{"$t":"tag:blogger.com,1999:blog-6452105337873332232.post-8858678491800059527"},"published":{"$t":"2014-07-08T11:08:00.000-07:00"},"updated":{"$t":"2016-11-15T19:57:53.315-08:00"},"category":[{"scheme":"http://www.blogger.com/atom/ns#","term":"5V Voltage Regulator"},{"scheme":"http://www.blogger.com/atom/ns#","term":"7805"},{"scheme":"http://www.blogger.com/atom/ns#","term":"78xx"},{"scheme":"http://www.blogger.com/atom/ns#","term":"Electronics"},{"scheme":"http://www.blogger.com/atom/ns#","term":"IC"},{"scheme":"http://www.blogger.com/atom/ns#","term":"Voltage Regulator"}],"title":{"type":"text","$t":"5V Fixed-Output Voltage Regulator using 7805"},"content":{"type":"html","$t":"\u003Cdiv dir=\"ltr\" style=\"text-align: left;\" trbidi=\"on\"\u003E\u003Cdiv dir=\"ltr\" style=\"text-align: left;\" trbidi=\"on\"\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; Fixed-Output voltage regulator is an important component in most electronic appliances. Fixed voltage regulation is important for microcontrollers and microprocessors. For microcontroller applications, 5V fixed voltage regulators are used. Normally 7805 voltage regulator is used in such applications. 7805 comes under 78xx series.\u003Cbr \/\u003E\u003Cbr \/\u003E\u003Cbr \/\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; Fixed voltage regulator designed using 7805 is given below. These regulators are special by its 1.5A output current capability, high power-dissipation capability, internal thermal-overload protection and internal short-circuit current limiting. Input voltage should be applied across the first and second pin of 7805. Input should be in the range of \u0026nbsp;7.5V to 10V. Second pin is common to both input and output. It is normally connected to ground. Output voltage is taken across the third and second pin. Output voltage is fixed and will be 5V.\u003Cbr \/\u003E\u003Cbr \/\u003E\u003Cdiv class=\"separator\" style=\"clear: both; text-align: center;\"\u003E\u003Ca href=\"http:\/\/1.bp.blogspot.com\/-0niDXcNTd74\/U7wgKBepW8I\/AAAAAAAAR6k\/JH8FW0v5bwM\/s1600\/dkcydf1404837810.jpg\" imageanchor=\"1\" style=\"clear: left; float: left; margin-bottom: 1em; margin-right: 1em;\"\u003E\u003Cimg border=\"0\" height=\"342\" src=\"https:\/\/1.bp.blogspot.com\/-0niDXcNTd74\/U7wgKBepW8I\/AAAAAAAAR6k\/JH8FW0v5bwM\/s1600\/dkcydf1404837810.jpg\" width=\"640\" \/\u003E\u003C\/a\u003E\u003C\/div\u003E\u003Cbr \/\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; Capacitors should be connected in the input and output side of the circuit. Normally a 0.33 micro Farad capacitor is connected at the input side and a 0.1 micro Farad capacitor is connected at the output side. Capacitors are important because, all characteristics are measured after connecting these capacitors.\u003Cbr \/\u003E\u003Cbr \/\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp;Other ICs in the 78xx series can be used to create fixed output voltages of different magnitudes. 7808, 7810, 7812, 7815, 7818 and 7824 can be used to create fixed output voltages of 8V, 10V, 12V,15V, 18V and 24V respectively.\u003C\/div\u003E\u003Cbr \/\u003E\u003C\/div\u003E"},"link":[{"rel":"replies","type":"application/atom+xml","href":"http:\/\/www.learnerswings.com\/feeds\/8858678491800059527\/comments\/default","title":"Post Comments"},{"rel":"replies","type":"text/html","href":"http:\/\/www.learnerswings.com\/2014\/07\/5v-fixed-output-voltage-regulator-using.html#comment-form","title":"4 Comments"},{"rel":"edit","type":"application/atom+xml","href":"http:\/\/www.blogger.com\/feeds\/6452105337873332232\/posts\/default\/8858678491800059527"},{"rel":"self","type":"application/atom+xml","href":"http:\/\/www.blogger.com\/feeds\/6452105337873332232\/posts\/default\/8858678491800059527"},{"rel":"alternate","type":"text/html","href":"http:\/\/www.learnerswings.com\/2014\/07\/5v-fixed-output-voltage-regulator-using.html","title":"5V Fixed-Output Voltage Regulator using 7805"}],"author":[{"name":{"$t":"realfinetime"},"uri":{"$t":"http:\/\/www.blogger.com\/profile\/10464280231816201372"},"email":{"$t":"noreply@blogger.com"},"gd$image":{"rel":"http://schemas.google.com/g/2005#thumbnail","width":"16","height":"16","src":"https:\/\/img1.blogblog.com\/img\/b16-rounded.gif"}}],"media$thumbnail":{"xmlns$media":"http://search.yahoo.com/mrss/","url":"https:\/\/1.bp.blogspot.com\/-0niDXcNTd74\/U7wgKBepW8I\/AAAAAAAAR6k\/JH8FW0v5bwM\/s72-c\/dkcydf1404837810.jpg","height":"72","width":"72"},"thr$total":{"$t":"4"}}]}});