Single side version of JensRasmussen's Super Leach board / ground planes

bigpanda · 12th April 2008, 06:34 AM

I had done JensRasmussen's double side board for testing but find myself too clumsy to solder on the components side. Its so awful that I tried to make a single side version to fit my soldering skill ( clumsy old man ).

Its finished up to all traces and jumpers being laid but when I come to the ground planes, I had some doubts. Wonder if you guys can give some comment on it.

The 'a' board is the output board. The left and right ground planes are absolutely 'isolated'. I have added jumper positions between the 5W resistors so as to connected the left and right planes but wonder it would be necessary to do so?

The board ¡¥b¡¦ is the main board where I had almost done all the ground planes ( wonder if I can call a ground plane for there are not much space left ). There are 2 ground planes under the 2 large caps but seems to be very much like 'isolated' from the ground planes of 'a' again but they are finally connected at the middle bottom of ¡¥b¡¦. All G planes with components dipping into them should be connected as far as I know but what about all those that are left ¡¥alone¡¦ ? Will they cause any potential problem? Also these plane would go under the fuse too as you can see from ¡¥b¡¦, would that be any issue?

Any other problem that you think may jeopardize the board?

Tks

bigpanda · 12th April 2008, 06:35 AM

Here is the 'b' board

Tony · 12th April 2008, 09:12 PM

hi,

this is the "lo-tim" version, a ground place can be implemented using double sided boards with the top side exclusively for ground....nice and neat....

are planning to sell these boards?

bigpanda · 13th April 2008, 03:03 AM

Hi Tony,

Like I said, I tried not to use a double side. That's why I do it all over again, and now you are telling me to go back to the double side? No, please. Anyway if I am doing the double side, I will have to make plated thru holes all over the board to connect the 'soldering side' G planes to the single 'component side' G plane, is that what has to be done?

Lets concentrate on this version.

This is the 'super amp' and if anyone is interested, they are always available.

bigpanda · 22nd April 2008, 02:54 AM

Either it is perfectly flawless that needs no improvement or it is just rubbish that any help would be a waste of time?

Probably making a prototype in a week or 2. Can someone say something about it before I stepped into a s***. Tks

bigpanda · 22nd April 2008, 02:59 AM

Just forget to asked :

would seperation between traces and G planes at 0.02" be good enough and how low can they go? (some of them are 0.04" at the power and output traces)

fastvideo · 22nd April 2008, 10:29 PM

I think the traces a bit too thin, specially the solder pads for though hole components is too small for single side board.

12th April 2008, 09:12 PM	#3
Tony diyAudio Moderator Join Date: May 2003 Location: Palatiw, Pasig City	hi, this is the "lo-tim" version, a ground place can be implemented using double sided boards with the top side exclusively for ground....nice and neat.... are planning to sell these boards? __________________ http://www.elab.ph/forum/index.php?topic=32688.0

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13th April 2008, 03:03 AM	#4
bigpanda diyAudio Member Join Date: Jun 2004 Location: HKSAR	Hi Tony, Like I said, I tried not to use a double side. That's why I do it all over again, and now you are telling me to go back to the double side? No, please. Anyway if I am doing the double side, I will have to make plated thru holes all over the board to connect the 'soldering side' G planes to the single 'component side' G plane, is that what has to be done? Lets concentrate on this version. This is the 'super amp' and if anyone is interested, they are always available.

22nd April 2008, 02:54 AM	#5
bigpanda diyAudio Member Join Date: Jun 2004 Location: HKSAR	Either it is perfectly flawless that needs no improvement or it is just rubbish that any help would be a waste of time? Probably making a prototype in a week or 2. Can someone say something about it before I stepped into a s***. Tks

22nd April 2008, 02:59 AM	#6
bigpanda diyAudio Member Join Date: Jun 2004 Location: HKSAR	Just forget to asked : would seperation between traces and G planes at 0.02" be good enough and how low can they go? (some of them are 0.04" at the power and output traces)

22nd April 2008, 10:29 PM	#7
fastvideo diyAudio Member Join Date: Jan 2005 Location: montreal	I think the traces a bit too thin, specially the solder pads for though hole components is too small for single side board.