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VSSA Lateral MosFet Amplifier
VSSA Lateral MosFet Amplifier
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Old 18th December 2012, 06:41 AM   #91
Lazy Cat is offline Lazy Cat  Slovenia
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Marc, my compliments, very nice PCB-s you've made for VSSA. Your skils become topmost at designing layouts. Congratulations.
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Old 18th December 2012, 07:59 AM   #92
Idefixes is offline Idefixes  France
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Quote:
Originally Posted by Lazy Cat View Post
Marc, my compliments, very nice PCB-s you've made for VSSA. Your skils become topmost at designing layouts. Congratulations.
Thanks LC, but i am not totaly satisfy with result since board are 107mm with. Goal is to reach 100mm to fit in standard boards so that with a standard 100x160mm board we could eatch 2 amp board. In this way could i go for 2x1mf 50V instead ?

Marc
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Old 18th December 2012, 08:32 AM   #93
Lazy Cat is offline Lazy Cat  Slovenia
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Marc, it can be done on 50 x 80 mm PCB, so 4 PCB-s out from standard 100 x 160 mm board. I'm working on that right now.
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Old 18th December 2012, 08:50 AM   #94
Idefixes is offline Idefixes  France
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Quote:
Originally Posted by Lazy Cat View Post
Marc, it can be done on 50 x 80 mm PCB, so 4 PCB-s out from standard 100 x 160 mm board. I'm working on that right now.
Yes but in double side with smt...don't forget i am for diy : etching bay me.....

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Old 18th December 2012, 09:32 AM   #95
tinitus is offline tinitus  Europe
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hey, regarding board size (and supply caps)
theres a very nice Nichicon PW series
50V with ĝ16/18mm, with 7,5mm leg distance

thought about a balanced option ?
(maybe with a bit lower +/-30V rails)
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Old 18th December 2012, 12:31 PM   #96
spind is offline spind  Canada
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VSSA Lateral MosFet Amplifier
Is there enough room between the output TO-3's for the 2 mica insulators (without the micas overlapping)???


Steve.



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New progress. Board size is 107x80mm for To3 version. I will get a try to To264 layout.
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Old 18th December 2012, 12:36 PM   #97
Idefixes is offline Idefixes  France
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Quote:
Originally Posted by tinitus View Post
hey, regarding board size (and supply caps)
theres a very nice Nichicon PW series
50V with ĝ16/18mm, with 7,5mm leg distance

thought about a balanced option ?
(maybe with a bit lower +/-30V rails)
Those who are présent on layout are 18mm with 7,5mm leg distance.

Marc
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Old 18th December 2012, 12:37 PM   #98
tinitus is offline tinitus  Europe
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perfect, thanks
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Old 18th December 2012, 12:39 PM   #99
Idefixes is offline Idefixes  France
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Is there enough room between the output TO-3's for the 2 mica insulators (without the micas overlapping)???


Steve.
Depent on isulator. But if not it could be slightly cut.

Marc
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Old 18th December 2012, 12:41 PM   #100
Lazy Cat is offline Lazy Cat  Slovenia
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Quote:
Originally Posted by Idefixes View Post
Yes but in double side with smt...don't forget i am for diy : etching bay me.....

Marc
No, no, standard parts on 50 x 80 mm PCB, only that I will use these output mosfets, ordered four.
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