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My Aleph-X compact PCB
My Aleph-X compact PCB
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Old 4th December 2005, 06:39 PM   #101
pinkmouse is offline pinkmouse  Europe
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My Aleph-X compact PCB
Quote:
Originally posted by Carondimonio
...and 3oz. copper...
That's only good for one-up-manship. 2oz is fine and will be much easier to solder.
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Old 4th December 2005, 06:48 PM   #102
Carondimonio is offline Carondimonio  Switzerland
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Quote:
Originally posted by jleaman



I'll take output boards then .. do i need more or less ? i need 8 don't i ?
Actually, you need 4 output boards per channel.
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Old 4th December 2005, 06:50 PM   #103
jleaman is offline jleaman  Belgium
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Quote:
Originally posted by Carondimonio


Actually, you need 4 output boards per channel.

That's alot of boards why so many ?
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Old 4th December 2005, 07:01 PM   #104
Carondimonio is offline Carondimonio  Switzerland
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Quote:
Originally posted by jleaman



That's alot of boards why so many ?
The Aleph-X is a balanced design, so you need double the output boards than a normal Aleph.

Cheers,

Bruno
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Old 4th December 2005, 07:05 PM   #105
jleaman is offline jleaman  Belgium
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Old 4th December 2005, 07:07 PM   #106
jleaman is offline jleaman  Belgium
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Old 4th December 2005, 07:17 PM   #107
Carondimonio is offline Carondimonio  Switzerland
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Jleaman,

the output boards can host each up to two devices in parallel.
In an Aleph-X, you need two boards as output and two as courrent sources. If you go for 20W only, you can install just one MOSFET on each board, but you still need 4 output boards.
Think of it as if you were bridging two normal Alephs, each of them having two output boards.

Cheers,

Bruno
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Old 4th December 2005, 07:30 PM   #108
jleaman is offline jleaman  Belgium
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Quote:
Originally posted by Carondimonio
Jleaman,

the output boards can host each up to two devices in parallel.
In an Aleph-X, you need two boards as output and two as courrent sources. If you go for 20W only, you can install just one MOSFET on each board, but you still need 4 output boards.
Think of it as if you were bridging two normal Alephs, each of them having two output boards.

Cheers,

Bruno

Ill need 16 boards then EKK .. ( hope they are cheap )
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Old 4th December 2005, 07:47 PM   #109
jacco vermeulen is offline jacco vermeulen  Netherlands
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Quote:
Originally posted by Carondimonio
I was thinking about blue solder mask and 3oz. copper, with yellow silkscreen. Or are they too much of a luxury
With or without the "Swiss made" stamp ?
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Old 4th December 2005, 08:00 PM   #110
TS Lo is offline TS Lo  Hong Kong
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Quote:
Originally posted by Carondimonio
Hi all,

TS Lo: I can have the IRFP240 at that price, but they are not matched. I don' t know if I will have the time to match them, let me think about it.
Bruno
Hi Bruno,
I'll update the WIKI when the costs of boards known.
Thanks

Quote:
Originally posted by ron.eddy
I was told by rwagter that the power resistors are hard to find in Europe.
Let me know what you all think.
Hi ron.eddy,
Thanks for your info, its even harder to find suitable size/power in NZ.

Cheers

TS
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