MOS-FET`s wire linked ?

B.I.G · 24th April 2005, 03:47 PM

can i wire link some mos-fet`s ? i`ve heard that mos-fet`s can oscilate if they are wire linked !!

the amp is a Holton symetrical 400W with IRFP240/9240 .

how long should the wires be ?

Upupa Epops · 24th April 2005, 04:42 PM

Up to 10 mm and you haven't problems.

bigpanda · 24th April 2005, 04:43 PM

Any reasons why you have to wire linked them in the first place? They are all on board, nice and easy!

B.I.G · 24th April 2005, 05:20 PM

10mm or 10 cm ?? even the board has links well over 10mm !! about 40mm of pcb link till the last fet !

Upupa Epops · 24th April 2005, 05:50 PM

You must make all " wire " shortest as possible - look at photo

.

jleaman · 24th April 2005, 05:56 PM

Quote:

Originally posted by B.I.G
can i wire link some mos-fet`s ? i`ve heard that mos-fet`s can oscilate if they are wire linked !!

the amp is a Holton symetrical 400W with IRFP240/9240 .

how long should the wires be ?

Why do you want to do this ?

Upupa Epops · 24th April 2005, 05:56 PM

Bottom side :

B.I.G · 24th April 2005, 06:19 PM

i want to do this because i have lack of space and can`t mount the transistors on the board

jleaman · 24th April 2005, 06:21 PM

Ive done this with my blue amp.. * blue is what i call them * ill post a picture for you if you want. ?

B.I.G · 24th April 2005, 06:34 PM

ok post it please !

i`ve conected one channel with the Gate and Source twisted ! the lenght is about 10cm or 4inch ! if we look at the AV800 you can se that the total lenght ftom gate to driver is a lot more than 10cm

24th April 2005, 03:47 PM	#1
B.I.G diyAudio Member Join Date: Mar 2004 Location: Home	MOS-FET`s wire linked ? can i wire link some mos-fet`s ? i`ve heard that mos-fet`s can oscilate if they are wire linked !! the amp is a Holton symetrical 400W with IRFP240/9240 . how long should the wires be ? __________________ B.I.G

24th April 2005, 05:20 PM	#4
B.I.G diyAudio Member Join Date: Mar 2004 Location: Home	10mm or 10 cm ?? even the board has links well over 10mm !! about 40mm of pcb link till the last fet ! __________________ B.I.G

24th April 2005, 06:19 PM	#8
B.I.G diyAudio Member Join Date: Mar 2004 Location: Home	i want to do this because i have lack of space and can`t mount the transistors on the board __________________ B.I.G

24th April 2005, 06:34 PM	#10
B.I.G diyAudio Member Join Date: Mar 2004 Location: Home	ok post it please ! i`ve conected one channel with the Gate and Source twisted ! the lenght is about 10cm or 4inch ! if we look at the AV800 you can se that the total lenght ftom gate to driver is a lot more than 10cm __________________ B.I.G

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24th April 2005, 04:42 PM	#2
Upupa Epops diyAudio Member Join Date: Aug 2003 Location: Prague,Czech Republic	Up to 10 mm and you haven't problems.

24th April 2005, 04:43 PM	#3
bigpanda diyAudio Member Join Date: Jun 2004 Location: HKSAR	Any reasons why you have to wire linked them in the first place? They are all on board, nice and easy!

24th April 2005, 06:21 PM	#9
jleaman Banned Join Date: Apr 2002	Ive done this with my blue amp.. * blue is what i call them * ill post a picture for you if you want. ?

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