From: Harold Hallikainen <harold@mai.hallikainen.org>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
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Date: Sun, 28 Jun 2020 15:51:56 -0700
Subject: Re: [EE]
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High currents and "sharp edges" make minor inductances significant. I'd be
tempted to use a protoboard with a solid ground plane and some adhesive
backed copper strap for the fast high current portions of the circuit.

Harold

> Absolutely! The key is planning out the component placement and signal
> routing. As long as the design (schematic, etc.) is good, a hand-wired
> circuit operating at 10s or even 100s of kHz on perfboard is perfectly
> reasonable.
>
> In the amateur radio community its common to see this style of
> construction
> up into the 10MHz range.
>
> On Sunday, June 28, 2020, madscientistatlarge <
> madscientistatlarge@protonmail.com> wrote:
>
>> Is it at all reasonable to build a switching power supply on a perf
>> board?  I plan to use heavy gauge wire and properly fix the location of
>> all
>> components.  This would be a variable (digital programming) buck
>> converter.  Current will be about 10A max, usually less.  Output noise
>> and
>> somewhat poor regulation are acceptable to me in this case.  Obviously
>> I'd
>> also be running it at 10's of kilohertz as well to mitigate some of the
>> concerns.  Is it reasonable if I use a proto-board with a ground plane?
>> I
>> know this is usually somewhat problematic.  Thanks.
>>
>>
>> Sent with ProtonMail Secure Email.
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>>
>>
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> Jason White
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