Catalinbread Pareidolia Harmonic Mesmerizer  [traced]

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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby roseblood11 » 06 Jan 2012, 12:52

LaceSensor wrote:any news on a layout / trace?


If someone (you?) draws a clear schematic, I'll draw a veroboard layout.

But maybe a pcb layout would fit in a 1590B enclosure...
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby LaceSensor » 06 Jan 2012, 13:06

roseblood11 wrote:
LaceSensor wrote:any news on a layout / trace?


If someone (you?) draws a clear schematic, I'll draw a veroboard layout.

But maybe a pcb layout would fit in a 1590B enclosure...


Ive more chance of helping with the vero :shock:
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby coldcraft » 06 Jan 2012, 14:27

i can provide a PCB layout if someone makes me a clear schematic
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby gigelmargel » 06 Jan 2012, 22:06

Hello and thank you KindaFuzzy for your work!

On the schematic that you provide, both outputs of the TL072 (pins 1 and 7) go to "LED", but I can't see any LED in the schematic.
May I suppose that is the bypass LED, which is a pulsating one?

Best regards!
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby KindaFuzzy » 07 Jan 2012, 00:54

gigelmargel wrote:Hello and thank you KindaFuzzy for your work!

On the schematic that you provide, both outputs of the TL072 (pins 1 and 7) go to "LED", but I can't see any LED in the schematic.
May I suppose that is the bypass LED, which is a pulsating one?

Best regards!


Oh, yeah they go to either one of the outside positive lugs of a two colour LED, and the center common negative end of that LED goes to the stomp switch, which grounds or ungrounds it to turn it on or off with the effect. You could probably do something similar with two regular LEDs with their negative ends tied together. The stock LED is green/orange but I had a green/red one that was pretty cool too.
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby gigelmargel » 07 Jan 2012, 10:04

KindaFuzzy wrote:
gigelmargel wrote:Hello and thank you KindaFuzzy for your work!

On the schematic that you provide, both outputs of the TL072 (pins 1 and 7) go to "LED", but I can't see any LED in the schematic.
May I suppose that is the bypass LED, which is a pulsating one?

Best regards!


Oh, yeah they go to either one of the outside positive lugs of a two colour LED, and the center common negative end of that LED goes to the stomp switch, which grounds or ungrounds it to turn it on or off with the effect. You could probably do something similar with two regular LEDs with their negative ends tied together. The stock LED is green/orange but I had a green/red one that was pretty cool too.


Thank you very much KindaFuzzy!
Better to ask, because I understood wrong from the schematic.

Best regards!
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby hbo » 08 Jan 2012, 13:31

Thanks for the trace, KindaFuzzy.

I'm planning a vero layout for this one so I went ahead and drew up a schematic. Do let me know if I missed something.
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby roseblood11 » 08 Jan 2012, 17:52

Ah, the uncrowned king of the vero layout joins in! :P

Do you think that it will fit into a 1590b (=21 holes wide), maybe without a battery? Would be great...


Which program do you use to draw schematics?
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby roseblood11 » 09 Jan 2012, 00:31

Which FET's are used in the circuit? KindaFuzzy wrote "2n5484" at the beginning of the thread, but "2n5485" a bit later... :?:
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby KindaFuzzy » 09 Jan 2012, 01:23

5484's are in the original, I used 5485's on the breadboard so I must have put that on the schematic. I think they're almost the same anyways.
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby hbo » 11 Jan 2012, 13:31

roseblood11 wrote:Ah, the uncrowned king of the vero layout joins in! :P

Do you think that it will fit into a 1590b (=21 holes wide), maybe without a battery? Would be great...


Which program do you use to draw schematics?


I did the schematic in Eagle

As promised here's a vero layout. This one was surprisingly tough, but mostly because I tried to size it for a 1590B (which I think I managed). Hopefully there aren't any mistakes.

Image

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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby roseblood11 » 11 Jan 2012, 20:53

In the first post KindaFuzzy wrote that it's four 2n5484's and two 2n5457's...
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Re: Catalinbread Pareidolia Harmonic Mesmerizer  [traced]

Postby hbo » 12 Jan 2012, 00:12

roseblood11 wrote:In the first post KindaFuzzy wrote that it's four 2n5484's and two 2n5457's...


Ah, didn't catch that.

I've updated the vero layout above, and here's an updated schematic as well.
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby Mich P » 01 Feb 2012, 14:16

Is there someone 's done it ?
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby Nocentelli » 01 Feb 2012, 14:23

Mich P wrote:Is there someone 's done it ?
Mich P.


Still waiting for the bloody XR2206 chip. I ordered from musikding (only because they had all the parts in one place, so thought i'd save a bit on shipping) but they sent the rest of the order without the chip, which was "to follow"... still waiting. I've got the rest of the board built (lovely layout, thanks hbo!) JUST NEED THE CHIP.... Almost tempted to splash out on an eBay purchase just to get it done.
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby Pruttelherrie » 01 Feb 2012, 22:24

hbo wrote:I've updated the vero layout above, and here's an updated schematic as well.

Harold, are you willing to share the eagle schematic so I can have a try at designing a PCB? (Not having to draw the schematic myself saves me some time and averts possible errors!)

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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby roseblood11 » 01 Feb 2012, 23:30

Mich P wrote:Is there someone 's done it ?
Mich P.


I ordered a 2206 and the FET's the day KindaFuzzy started the thread,
but I have to admit that I'm just too lazy to start soldering... :P
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby hbo » 02 Feb 2012, 00:15

Built it tonight. Works, and sounds nice too! I had to reorient the depth and rate pots. Rev. 3 is now verified.

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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby Nocentelli » 02 Feb 2012, 00:15

roseblood11 wrote:I ordered a 2206


musikding?
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Re: Catalinbread Pareidolia Harmonic Mesmerizer

Postby roseblood11 » 02 Feb 2012, 00:18

no, a german e-bay seller, but too expensive
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