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flyback transfomer - RF Cafe Forums

Because of the high maintenance needed to monitor and filter spammers from the RF Cafe Forums, I decided that it would be best to just archive the pages to make all the good information posted in the past available for review. It is unfortunate that the scumbags of the world ruin an otherwise useful venue for people wanting to exchanged useful ideas and views. It seems that the more formal social media like Facebook pretty much dominate this kind of venue anymore anyway, so if you would like to post something on RF Cafe's Facebook page, please do.

Below are all of the forum threads, including all the responses to the original posts.


newbie
Post subject: flyback transfomer Posted: Fri Apr 07, 2006 10:59 am

Lieutenant

Joined: Fri Apr 07, 2006 7:24 am
Posts: 1
hello, could anybody tell me how to figure out the primary input pin(with approximate 1ohm coil inductance? how to find the polarity for 2 input pins as well..)and the secondary high voltage and ground pin for flyback transformer.. thanks


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fred47
Post subject: FlybackPosted: Mon Apr 10, 2006 7:55 pm

General


Joined: Wed Feb 22, 2006 3:51 pm
Posts: 104
Hi!

I assume you mean flyback transformer as used in a TV or computer monitor, not the kind of transformer used for (relatively) low-power switching power supplies. If I'm wrong, please correct!

There are several varieties of flyback transformer on the market. One kind has a terminal common to the primary and secondary, the other does not.

Often, the output is a separate socket or lead, with high voltage insulation - but not always.

To muddy the waters even further, many modern flybacks are actually integrated power supplies - commonly a voltage doubler or tripler is built in to the flyback itself.

So you need to be a bit more specific about what you need to know, and where you're starting from!

Good Luck,
Fred


Posted  11/12/2012
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