F5 with lateral mosfets

kacernator · 2nd July 2011, 09:57 AM

Hi,

I have been trying to make the F5 work with lateral mosfets. So far I cant biased them. What can be wrong? Here is the schematics I am using. Actually the voltages are +/- 30V.

Thank you.

Itsmee · 2nd July 2011, 12:43 PM

What voltage do you have across R3 & R4?

+/-30V is probably too much for the little JFETS, datasheet says 25V max

kacernator · 2nd July 2011, 01:00 PM

Nevermind, I have changed mosfets to IRF type, now its working allright.

Moderator please delete this thread.

Thank you.

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2nd July 2011, 12:43 PM	#2
Itsmee diyAudio Member Join Date: Feb 2009	What voltage do you have across R3 & R4? +/-30V is probably too much for the little JFETS, datasheet says 25V max

2nd July 2011, 01:00 PM	#3
kacernator diyAudio Member Join Date: Jan 2008	Nevermind, I have changed mosfets to IRF type, now its working allright. Moderator please delete this thread. Thank you.

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