X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient: geda-user AT delorie DOT com
X-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sendgrid.net;
	h=subject:references:from:mime-version:in-reply-to:to:content-type:
	content-transfer-encoding;
	s=smtpapi; bh=5XfEuVprhd0T8Yri49nDEdrgOobjssmiDulFUGJKdaE=;
	b=xwN96ATPVYfYLihEMN31/ZTliA4l/GnYFHEG0KhtUnaMQ+Bk7OwdbMWou0HDe9xtPXdO
	1ogJ50kJp1nlQfwz13p7eeObLoCmChNz+m64aU/ZQar78VCBdOEry1g9aKsH3ECRD0nz6b
	8kA4nvufaU1xFHlJJofi28cfrQcY4Q3E8=
Subject: Re: [geda-user] 3V to 12V converter
References: <CALSZ9gqrykM4uM4m2z5Fk1dAovrLTT5_yPQJ8JeRrfr=kFuTxA AT mail DOT gmail DOT com>
 <CAGBFkM1EkVUruw9acb60gH2eKL80f-bL1Doy2detwqdmWShnQA AT mail DOT gmail DOT com>
 <CALSZ9gprqKcz4-bAt7oNKoWk4gZBmKOvhjcCm30vtO4iJX4T9g AT mail DOT gmail DOT com>
 <CALSZ9gow6EZotV8Qf3X+uZkAg0hkK5VXW-im9Usbx8jXdSpdEw AT mail DOT gmail DOT com>
 <CAGBFkM1NnoUwx9+a0=xY2PBKGuNJiGaDkKNfF3-+6UEEXjh9MQ AT mail DOT gmail DOT com>
From: "John Griessen (john AT ecosensory DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Message-ID: <1a9ac9de-8685-d0d7-d675-1e2e526e35d8@ecosensory.com>
Date: Tue, 20 Aug 2019 21:49:41 +0000 (UTC)
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:69.0) Gecko/20100101
 Thunderbird/69.0
MIME-Version: 1.0
In-Reply-To: <CAGBFkM1NnoUwx9+a0=xY2PBKGuNJiGaDkKNfF3-+6UEEXjh9MQ@mail.gmail.com>
X-SG-EID: 
 =?us-ascii?Q?h+LZo4tR473eP3wdj1M8wax3s910wvFiBkApAyn=2FYucz0a4Srxu2F0iJ62nyPC?=
 =?us-ascii?Q?nxl7TDZ0rZH7J1uhY=2FaTAmJQBQddztJ6I0Jf1qY?=
 =?us-ascii?Q?jEpShx8one=2FwXy7n5XzzGtOyEK8ju8Y4VsIPoD6?=
 =?us-ascii?Q?Gejsfd0WFRtO4bwA0I7gqQfgLfW+8afC+HnaQmp?=
 =?us-ascii?Q?VfU+5PulhBHrpRf4N9W6=2FaVapf=2FQPKQAwStD1xf?=
 =?us-ascii?Q?+mmVwH8Pixm2uRy6gPSRG6KSIh+SaQM8E8ODO9?=
To: geda-user AT delorie DOT com
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Reply-To: geda-user AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: geda-user AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk

Here's something I used with functional results.  I have not looked at it with
a spectrum analyzer for generated noise yet...  But scope probing near it doesn't seem bad.

https://www.cibolo.com/docs/pyflex_f401_power_18V.png

The white X's are inputs to shut it down and to adjust output to two different levels.
You can lose those parts.

If it seems valuable for your goal, I have pcb-rnd layout and lepton-schematics for it and some
parts I can mail you.