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VSSA Lateral MosFet Amplifier

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Lazy Cat

Lazy Cat

Member
Joined 2007
Esperado said:
I believe the Hypex's SMPS600 is not regulated. On an other point of view, they have a very good common mode symmetry. I don't know if VSSA will get benifit from this feature.
May-be would it be worth to test less expensive, but very good too connexelectronic (Cristi) SMPS ? They are regulated.
Click to expand...

Regulated voltage is certainly OK as well as current capability and ripple free operation. Will check the one mentioned, thanks. ;)
 
J

Junie

Member
Joined 2010
Lazy Cat said:
Hi Junie ;)

That's really fine in-case layout, outer hight dimension can be less than 6 cm if VSSA is fixed in landscape position to the heatsink. For protection you would need only DC sense on each channel's output terminals, both connected to SMPS400, like the one on pic attached. :up:
Click to expand...


Dear Andrej,

Yes, my plan is to make a case as thin as possible and a SMPS is a way to go, absolutely will fix the VSSA flat to the heatsink.
Where we can get the DC sense board? will you include that in a set? very kind of you :).

Regards,
Junie
 
Lazy Cat

Lazy Cat

Member
Joined 2007
Junie said:
Dear Andrej,

Yes, my plan is to make a case as thin as possible and a SMPS is a way to go, absolutely will fix the VSSA flat to the heatsink.
Where we can get the DC sense board? will you include that in a set? very kind of you :).

Regards,
Junie
Click to expand...

Will check DC error input functionality between DC sense and SMPS400. If it is OK than small DC sense PCB's can be provided too. ;)
 
Lazy Cat

Lazy Cat

Member
Joined 2007
ALF08NP16V5 ordered and secured

Hi guys :wave:

Just to inform you all that today I ordered ALF08NP16V5, 300 pcs, at Semelab.

Our VSSA PCB + semiconductors sets are now secured and we can proceed with the project as planned.

Have fun :cheers:
 

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N

nico2k3

Member
Joined 2005
homeconcert.free.fr
Hi Lazy Cat, I can't resist to take another pair, quantity edited :)
Thank you again
Nico

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RAYSIMMONS

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Added my name to the bottom of the list


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jony

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Lazy Cat

Lazy Cat

Member
Joined 2007
VSSA PCB + Semiconductors set

Hi dear diyAudio friends :wave:

Now is the right time to present all the details about the VSSA set. Today I received the test batch of a six VSSA PCB's for final inspection, which actually means to assemble two VSSA channels, test their full functionality and only than order something like 200 PCBs. I really don't want any surprises so this precaution step is necessary at least from my point of view.

PCBs are very good quality, FR4 material 2 mm thick, 0,1 mm thickness of copper tracks, this can actually be seen on pics, finger's touch confirms that too.

I know all would like to know something about the pricing, well, here it is. The whole package for one VSSA channel consists of a VSSA PCB, all semiconductors, two 2 mm polyamide spacers for KSA/KSC, bill of materials and assembling instructions for roundly and exactly 30,00 EUR net price. Only postal-shipment costs will be added onto this price, the amount depends on destination, so this will be calculated from case to case individually.

Any questions?
Best regards, Andrej :cheers:
 

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Idefixes

Idefixes

Member
Joined 2003
audiyofield.wifeo.com/index.php
Hi LC nice price for the set but due other charge à will go for 2 set..

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siberia 2 PCB set
mravlca 2PCB set
baswamin 2PCB set
gazzagazza 2 PCB set
miksi 4 PCB set
chunek 4 PCB set
raysimmons 2 PCB set
johnkrammer 2 pcb set
jony 2PCB set
Click to expand...
 
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