The RMA drawing board/etc.



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Re: The RMA drawing board/etc.

Postby BetterOffShred » Fri Aug 23, 2019 9:35 am

I think that's pretty rad Curtis. It's obvious your builds aren't trivial, and I certainly have a ton of admiration for them. I'll take one of each :love:
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Re: The RMA drawing board/etc.

Postby fuzzonaut » Mon Aug 26, 2019 5:23 am

crochambeau wrote:I intend to offer up PCBs and/or kits for many of my designs. While I doubt they'll be the best bet for a novice, I will endeavor to keep them as user friendly as possible. Sometimes it's not possible..

...but I intend on starting with simpler circuits, and maybe diving into a range of operational amplifier based based budget minded circuits. So anyway, let me know if there's any interest in such things.


I'd love to see PCBs and/or kits of any of your designs. :cool:
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Re: The RMA drawing board/etc.

Postby Dowi » Mon Aug 26, 2019 7:43 am

crochambeau wrote:I intend to offer up PCBs and/or kits for many of my designs. While I doubt they'll be the best bet for a novice, I will endeavor to keep them as user friendly as possible. Sometimes it's not possible..

...but I intend on starting with simpler circuits, and maybe diving into a range of operational amplifier based based budget minded circuits. So anyway, let me know if there's any interest in such things.


I am a total newbie so I won't be able to deal with your circuits for a while, but if I get to the point of feeling confident with my electronic abilities I would be more than happy to grab a couple of PCBs of yours
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Re: The RMA drawing board/etc.

Postby crochambeau » Mon Aug 26, 2019 11:43 am

Right on, thanks for the feedback everyone!
D.o.S. wrote:This thing is like the Blue Box on the amount of acid that lands you in the ER pretending to play it straight while you try and ignore the fact that the walls are dripping oil.


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Re: The RMA drawing board/etc.

Postby crochambeau » Wed Sep 04, 2019 2:01 pm

I'm cautiously optimistic that I may have resolved the power supply needs for the RMA Powerplant preamplifier (and other stuff that will benefit from bipolar power rails). I designed around +/- 24 volts at 100ma as the target for the discrete operational amplifier, but voltages will be downward adjustable for monolithics.

Image

Image

Seen depicted are some component footprints that I will integrate into the board level offerings (diode and non-polarized caps specifically), ultimately I'd love it if the pads reflect schematic thinking.

Now I just need to finish some builds so I can buy more boards, hahaha.
D.o.S. wrote:This thing is like the Blue Box on the amount of acid that lands you in the ER pretending to play it straight while you try and ignore the fact that the walls are dripping oil.


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Re: The RMA drawing board/etc.

Postby ibarakishi » Wed Sep 04, 2019 8:25 pm

-silently waits in corner sharpening his knives waiting for the apocalypse that using this preamp will most likely bring-
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Re: The RMA drawing board/etc.

Postby $harkToootth » Fri Oct 18, 2019 2:12 pm

What's going on here?
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Re: The RMA drawing board/etc.

Postby MrNovember » Fri Oct 18, 2019 2:24 pm

$harkToootth wrote:What's going on here?

Magic
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Re: The RMA drawing board/etc.

Postby crochambeau » Fri Oct 18, 2019 3:42 pm

MrNovember wrote:
$harkToootth wrote:What's going on here?

Magic


:excellent:

Time will tell on the voltage converter (boards finally got ordered on Monday of this week, so hopefully I'll be able to work with them and confirm operation in 2-3 weeks). I'm optimistic they will pave way for numerous other things.

Sigh, I realize I'm opening a huge can of worms here, but, external pressures from several directions are guiding my hand somewhat... I'm building out the last PCB of the early version of Dirty Doper at present so I can have a benchmark unit on hand to weigh the new design against. Development is proceeding at long last on this curmudgeonly artifact.

Image

Also in the voltage module order are at long last Tetanus Booster (DIY accessible) and Stone Splitter (not DIY accessible at this point in time) PCBs.

Image

Image
D.o.S. wrote:This thing is like the Blue Box on the amount of acid that lands you in the ER pretending to play it straight while you try and ignore the fact that the walls are dripping oil.


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Re: The RMA drawing board/etc.

Postby DannDubbleEwe » Fri Oct 18, 2019 5:19 pm

Fffuuuuuuuuuuuu :love: :love: :love: :!!!:
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Re: The RMA drawing board/etc.

Postby Dandolin » Fri Oct 18, 2019 7:00 pm

Can't wait to see where Stone Splitter goes.... :love:
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Re: The RMA drawing board/etc.

Postby PSQRCL » Fri Oct 18, 2019 7:31 pm

Loving the development updates.

And do keep to a pace you're comfortable with, good things come to us who wait :D
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Re: The RMA drawing board/etc.

Postby $harkToootth » Fri Oct 18, 2019 8:02 pm

PSQRCL wrote:And do keep to a pace you're comfortable with, good things come to us who wait :D

BINGO!
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Re: The RMA drawing board/etc.

Postby frodog » Mon Oct 21, 2019 3:39 pm

I'm in no rush but Stone Splitter is the one for me, if there's an opportunity to buy a fully built unit at some point, I'm ready.

And of course, any kit type offering too. Those PCBs look sick.
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Re: The RMA drawing board/etc.

Postby crochambeau » Mon Oct 21, 2019 3:56 pm

I'm not going to release anything for DIY consumption that has not yet had several rounds of debugging or has not yet proved long term reliability out in the field. Plus the Stone Splitter is a more involved project than I want to long distance troubleshoot at the moment. Something that involved might evolve into a partial IC circuit, with discrete transistors only where the nonlinearities work best. I do plan on digging into one as soon as I am able.

I did receive notification less than an hour ago that the PCBs have been sent to fab, which typically means I'll see them in about two weeks.
D.o.S. wrote:This thing is like the Blue Box on the amount of acid that lands you in the ER pretending to play it straight while you try and ignore the fact that the walls are dripping oil.


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