wanted Depletion mosfet

thanh · 5th May 2004, 07:27 AM

I saw mpf102's datasheet.It is said that it is JFET.Oh!I don't know!
I want to know some name of depletion mosfet.I need your help!Thanks you!

Bas Horneman · 5th May 2004, 07:30 AM

What is the purpose of the mosfet? I suppose you don't just want any depletion mode mosfet?

Regards,
Bas

peranders · 5th May 2004, 07:39 AM

Depletion mode mosfet's are rare these days and certainly power devices.

x-pro · 5th May 2004, 10:07 AM

http://www.supertex.com/products/selector_guides/102

http://www.infineon.com/cgi/ecrm.dll...&cat_oid=-8177

Cheers

x-pro

thanh · 6th May 2004, 05:13 AM

Thanks x-pro! Vds is very high.
Who can tell me the formular of depletion mosfet?
I looking forward to hear all your news!

thanh · 7th May 2004, 12:51 PM

Quote:

http://www.supertex.com/products/selector_guides/102

http://www.infineon.com/cgi/ecrm.dl...3&cat_oid=-8177

Cheers

x-pro

Oh!Orcad 9.2 and Multisim 7 can't understand these models.How will i do if i want to simulate some depletion mosfet?

jackinnj · 10th November 2008, 12:38 PM

Quote:

Originally posted by thanh

Oh!Orcad 9.2 and Multisim 7 can't understand these models.How will i do if i want to simulate some depletion mosfet?

I can get the depletion mosfets to work in Multisim 10 -- fwiw, Supertex has a comprehensive library of their models.

nikwal · 13th November 2008, 10:13 AM

Nowadays there are even zero bias mosfets, acting as a follower I guess will give the same voltage on source as on gate. Too bad I think Vds was 10V max if I did'nt read it wrong hehe..

I've used depletion mode bsp135 as buffer sometimes hmm..

jackinnj · 13th November 2008, 01:25 PM

Quote:

Originally posted by nikwal
Nowadays there are even zero bias mosfets, acting as a follower I guess will give the same voltage on source as on gate. Too bad I think Vds was 10V max if I did'nt read it wrong hehe..

I've used depletion mode bsp135 as buffer sometimes hmm..

I just hooked up a little circuit with the TO-92 style LND150N3 (available from Mouser) -- no bias -- the THD% ran around 0.15% which isn't bad for such an extremely simple amp.

nikwal · 14th November 2008, 10:23 AM

ALD110800 hmm...

5th May 2004, 07:27 AM	#1
thanh diyAudio Member Join Date: Jan 2004 Location: ho chi minh city	wanted Depletion mosfet I saw mpf102's datasheet.It is said that it is JFET.Oh!I don't know! I want to know some name of depletion mosfet.I need your help!Thanks you!

5th May 2004, 07:30 AM	#2
Bas Horneman diyAudio Moderator Emeritus Join Date: Apr 2002 Location: The Netherlands Blog Entries: 18	What is the purpose of the mosfet? I suppose you don't just want any depletion mode mosfet? Regards, Bas __________________ Boatanchor amps forum My "adventures" in audio

5th May 2004, 07:39 AM	#3
peranders Electrons are yellow and more is better! diyAudio Member Join Date: Apr 2002 Location: Göteborg, Sweden Blog Entries: 4	Depletion mode mosfet's are rare these days and certainly power devices. __________________ /Per-Anders (my first name) or P-A as my friends call me

13th November 2008, 10:13 AM	#8
nikwal diyAudio Member Join Date: Aug 2005	Nowadays there are even zero bias mosfets, acting as a follower I guess will give the same voltage on source as on gate. Too bad I think Vds was 10V max if I did'nt read it wrong hehe.. I've used depletion mode bsp135 as buffer sometimes hmm.. __________________ http://dsl.mine.nu (very enironmental friendly 5watt damn small linux server made from a compaq t1010 terminal)..

14th November 2008, 10:23 AM	#10
nikwal diyAudio Member Join Date: Aug 2005	ALD110800 hmm... __________________ http://dsl.mine.nu (very enironmental friendly 5watt damn small linux server made from a compaq t1010 terminal)..


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5th May 2004, 10:07 AM	#4
x-pro diyAudio Member Join Date: Apr 2003 Location: London	http://www.supertex.com/products/selector_guides/102 http://www.infineon.com/cgi/ecrm.dll...&cat_oid=-8177 Cheers x-pro

6th May 2004, 05:13 AM	#5
thanh diyAudio Member Join Date: Jan 2004 Location: ho chi minh city	Thanks x-pro! Vds is very high. Who can tell me the formular of depletion mosfet? I looking forward to hear all your news!

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