What Is An Open Collector ? |
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What Is An Open Collector ? |
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  Sep 26 2007, 08:52 AM
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Intermediate Member  Group: Full Member Posts: 21 Joined: 11-September 07 From: Noida Member No.: 3,766  |
Dear All, What is an open collector o/p? If possible plzz explain with the diagram. Take care Regards Rahul rahuljadhav1@rediffmail.com |
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Sep 27 2007, 10:38 AM
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#2
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Posting Freak Group: Moderator Posts: 2,099 Joined: 24-April 02 From: Christchurch, New Zealand Member No.: 1 |
Hello Rahul
Have a look at http://www.lmphotonics.com/indIO.htm This page has not yet been finished, but it may help to answer your questions. Open collector stages can be NPN or PNP and effectively use a transistor as a switch which is open or closed. The open collector stage allows the output to be connected to circuits driven by a separate power supply and possibly a different voltage. With a PNP output stage, the positive terminal is common between the two supplies, while with an NPN output stage, the common terminal is the zero volt terminal. Best regards, -------------------- Mark Empson administrator
Skype Contact = markempson | phone +64 274 363 067 LMPForum | LMP Tech Warehouse | L M Photonics Ltd | Empson family | Advanced Motor Control Ltd | LMP Software | Mark Empson Website |
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