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Old 12th August 2002, 07:12 PM   #1
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Default New newbie question!

Well, I know very few things about MOSFETS, but is the one I have lots of interest. I've been reading something about it, and I want to know what is a source follower, how it works, and how a mosfet driver works?
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Old 12th August 2002, 09:40 PM   #2
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http://niufrm.physics.niu.edu/~label...75_lect112.pdf

scroll down to source follower.....basically the circuit driving the gate is the "driver"
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Old 13th August 2002, 02:06 AM   #3
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That pdf has been very helpfull, thank you hitsware!
What else do you have?
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Old 13th August 2002, 02:13 AM   #4
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Quote:
Originally posted by Diogo
That pdf has been very helpfull, thank you hitsware!
What else do you have?
More on source followers?
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Old 13th August 2002, 09:39 AM   #5
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MOSFETS, I'd like to know almost everything about the use of these devices on PAs. As you know I live in Brazil witch is, unfortunlly an undeveloped country, and most of the people I know and work with have no idea of how to use it!
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Old 13th August 2002, 12:19 PM   #6
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A good source for learning is the manufactures application notes and data sheets. Check also as many amps designs you can. You can learn a lot in seeing have others have done.

Go to http://www.questlink.com for searching.

One of the best in writing application notes are Hitachi and International Rectifier.
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Old 13th August 2002, 03:51 PM   #7
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Quote:
Originally posted by Diogo
MOSFETS, I'd like to know almost everything about the use of these devices on PAs. As you know I live in Brazil witch is, unfortunlly an undeveloped country, and most of the people I know and work with have no idea of how to use it!
http://users.swing.be/edwinpaij/ampli_mosfet.htm

They're usually used as source followers in the output stage. As peranders says you can do a search (I found this one under "mosfet output stage") Most of the output stages are quite similar with differing front ends.
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Old 13th August 2002, 08:39 PM   #8
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Thanks again for your help fellows!
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