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how to design mosfet amplifier stage?
how to design mosfet amplifier stage?
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Old 22nd January 2010, 04:09 PM   #1
pzung is offline pzung  United States
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Join Date: Jan 2010
Location: Graham,NC
Default how to design mosfet amplifier stage?

can someone point me to a resource, book, webpage, blog, etc. that can explain to me how to design mosfet gain stage?

i think what i'm after is a mosfet common source or common emitter? not even sure of terms. i've been living in tube world but i want to try my hand at some discrete low voltage (9-12v) circuits for effects pedals. another idea is to scale down a tube preamp and then possibly go into a speaker emulator, fx loop and direct in for a cheap/portable recording set-up. like the rockman 100 from the 80's without the 80's sound.

i have seen pedals using the bs170 figured i'd start with that.

i've found too much info googling and nothing written for the baby brained.

thanks a million,
pat
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Old 22nd January 2010, 05:35 PM   #2
mjf is offline mjf  Austria
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Location: Austria
hello.
perhaps it helps if you have a look at pass labs..........(or passdiy.com) there are the zen amplifiers (bride of zen, b1buffer preamp,.............etc.) and zen articles.
greetings

Last edited by mjf; 22nd January 2010 at 05:39 PM.
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Old 22nd January 2010, 06:58 PM   #3
pzung is offline pzung  United States
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Location: Graham,NC
ooo, thanks!

the part about testing mosfets seems like everything i might want to know right now. of course can't tell until i finish reading it, but usually once i can measure something i can get a feeling for how it works.

the analogy in the citation 12 project doesn't hurt either.

thank you again,
pat
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