Secretefx - Secret-1 STD overdrive  [traced]

General documentation, gut shot, schematic links, ongoing circuit tracing, deep thoughts ... all about boutique stompboxes.
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modman
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Post by modman »

Saw this a bit late -- still, YuGi got promoted to Degoop Doctor...
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Manfred
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Post by Manfred »

Here the PCB-Layout clone, I plan to convert it to a single side version.
Secret1Layout.JPG
Secret1PCB_Components.pdf
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Secret1PCB_ComponentSide.pdf
(5.15 KiB) Downloaded 114 times
Secret1PCB_ComponentSideMirrored.pdf
(5.14 KiB) Downloaded 116 times
Secret1PCB_SolderSide.pdf
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Secret1PCB_SolderSideMirrored.pdf
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Frabbio
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Post by Frabbio »

Single sided layout with pcb mount pots, board dimensions are 5.5x4.5 cm.
My suggestion for the opamp is the OP275.

Good Diy
Attachments
schematic.png
layout.png
latyout print.png

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Manfred
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Post by Manfred »

Single sided layout with pcb mount pots, board dimensions are 5.5x4.5 cm.
My suggestion for the opamp is the OP275.
Hi Frabbio,
ok, is already done.
Thanks for sharing.

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roseblood11
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Post by roseblood11 »

@Manfred: Publishing a cloned version of the original pcb layout is a copyright infringement

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Manfred
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Post by Manfred »

roseblood11 wrote:@Manfred: Publishing a cloned version of the original pcb layout is a copyright infringement
O.k, If it harms the forum, then the Admin should delete my post.
BTW, all drawn schematic found by tracing are copyright infringements too.

I just asked the Administrator to delete my post:
viewtopic.php?f=7&t=24020&start=20#p269820

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marshmellow
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Post by marshmellow »

Manfred wrote:BTW, all drawn schematic found by tracing are copyright infringements too.
viewtopic.php?f=7&t=24020&start=20#p269820
No, they are not. It's your own artwork, you created it.

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modman
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Post by modman »

roseblood11 wrote:@Manfred: Publishing a cloned version of the original pcb layout is a copyright infringement
Roseblood: who are you and what are you doing on this forum?
Manfred wrote:
roseblood11 wrote:@Manfred: Publishing a cloned version of the original pcb layout is a copyright infringement
O.k, If it harms the forum, then the Admin should delete my post.
BTW, all drawn schematic found by tracing are copyright infringements too.
I just asked the Administrator to delete my post:
viewtopic.php?f=7&t=24020&start=20#p269820
marshmellow wrote:
Manfred wrote:BTW, all drawn schematic found by tracing are copyright infringements too.
viewtopic.php?f=7&t=24020&start=20#p269820
No, they are not. It's your own artwork, you created it.
And that's really all there is to it...

EDIT:
I cannot think of any copyright issues that would matter. At least really none apply. I moved the forum from US servers which cost us about $95/year to a Swedish server which costs about 4 times as much. Hosted in the USA, Lance Keltner and Klon clown Finnegan could just send a mail to the hosting company simply stating that we were infringing copyright, without having to prove anything. In order to defend the forum against this false claims, I would have had to hire a US attorney to fight the complaint.

Right now the situation is the inverse: anybody who feels their copyright is infringed upon can file a complaint with the
Stockholm District court:
Scheelegatan 7, 112 28 Stockholm, Sweden
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AAntonio
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Post by AAntonio »

what can I put in place of the Y5S filter?

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plush
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Post by plush »

AAntonio wrote:what can I put in place of the Y5S filter?
Y5S is a simple LCL (inductor - capacitor - inductor) filter, made to tame high frequency power line noise (e.g. if used with poor switch-mode power supply).
It can substituted with two 0.5uH inductors in series with DC supply and 100p cap to ground between them (ref. schematic).
Or you can omit them, if you have clean and trusty power supply.

I find it a bit of overkill here.

Image

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AAntonio
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Post by AAntonio »

plush wrote:
AAntonio wrote:what can I put in place of the Y5S filter?
Y5S is a simple LCL (inductor - capacitor - inductor) filter, made to tame high frequency power line noise (e.g. if used with poor switch-mode power supply).
It can substituted with two 0.5uH inductors in series with DC supply and 100p cap to ground between them (ref. schematic).
Or you can omit them, if you have clean and trusty power supply.

I find it a bit of overkill here.

[ Image ]
Thanks a lot for the answer
Is this okay? or just the link?
look at the photo
Attachments
Secret1PCB_ComponentSideMirrored.jpg

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Manfred
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Post by Manfred »

Is this okay? or just the link? Look at the photo.
No, that's wrong, the vertical link would short the +9V terminal to ground, because the inductor got very low DC-resistance.
The horizontal link is ok.
Secret1OmittedFilter.jpg

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