Patchwork Reloaded: Circuit Optimization and Board Layout.

[kalmara]

Originally Posted by MJL21193

Ooops! Kalmara I missed your post. I'll get the Gerbers together and post them here. Stay tuned

Bump Five pages and no responce, still waiting tho...
Seems that I'm not the only one, not sure what *radio* wants, I think there were pdf files with the pre-final pcb, but I'm waiting for the gerbers so I can send them to the local shop for board manufacturing. I want the "patchwork" to be shiny clean with no trace of patching work. /diy boards/

p.s. Isn't there any problem with this type of mounting the outputs, seems that the board /and components repectively/ will be getting a lot of heat from the power devices and the heatsink below?

[MJL21193]

Originally Posted by kalmara

p.s. Isn't there any problem with this type of mounting the outputs, seems that the board /and components repectively/ will be getting a lot of heat from the power devices and the heatsink below?

Sorry K,
The Gerbers are attached (this post and the next - too big for one attachment) but there may be some problem with the drill file (GDL) as I resized the pad holes for better laser printing. Consult your board manufacturer about this, ask if it's a problem. They should be able to go to the next standard size hole.

Patchwork Gerber Files_1.zip

As for the mounting, this is a common method. The boards don't get hot. A word of caution: these are compact and they need to be assembled in the correct order or you will have problems. The leads of the drivers and outputs need to be bent very accurately to line up with the thru holes.
If you need help, let me know.

[MJL21193]

Frack! Still too big - the silkscreen is huge. Kalmara, send me your email and I'll send them to you direct.

[kalmara]

kalmara [at] bitex [dot] bg
Send them all in. Thanks for the fairly quick response, but I think that the recreation of your project will wait a bit, since I have dug up an old kinda "project" of mine and I think I'll finish it first, so that I don't let the boards and unfinished stuff pile up. :]
Here's my *patchwork* : Slightly evolved P3A simulation

[radio]

Hello All!
I need a scheme to PCB for high quality Hi-Fi Audio Amplifier,
for Power Supply Us=±55...60V!.
P.S.
Chek answer!

[AndrewT]

Originally Posted by radio

I need a scheme to PCB for high quality Hi-Fi Audio Amplifier,
for Power Supply Us=±55...60V!.

go to Leach lo tim or ESP for schematics and/or PCBs.

[kuldeepsingh]

Gr8 6-channel amplifier... awesome