panel meters in PSUs, boosting 12V supplies prior
to a constant current regulator to charge 12V batteries from 12V supplies.
Robert G8RPI.
--- On Thu, 30/7/09, Dave M masond...@comcast.net wrote:
From: Dave M masond...@comcast.net
Subject: [time-nuts] Distribution Amp project
To: TimeNuts
Old scrap PC network cards?
The DC-DC isolated converters are useful to pull too.
Dave Baxter.
--- Original Message ---
Message: 6
Date: Thu, 30 Jul 2009 00:16:12 -0400
From: Dave M masond...@comcast.net
.
. Trimmed !
.
Also, looking for a source of low cost 1:1 and
.
Best 73,
Dave, G4HUP
http://g4hup.com
From: Dave Baxter d...@uk-ar.co.uk
To: time-nuts@febo.com
Sent: Thursday, 30 July, 2009 1:54:19 PM
Subject: Re: [time-nuts] Distribution Amp project
Old scrap PC network cards?
The DC-DC isolated converters are useful
Dave M wrote:
I haven't been able to find schematics for the Extron DA, but according to
the author's discussion, it seems to be very similar to the DA circuit
schematics at http://www.ko4bb.com/~bruce/IsolationAmplifiers.html. I
haven't had time to reverse engineer the circuit in my
Richard (Rick) Karlquist wrote:
Dave M wrote:
I haven't been able to find schematics for the Extron DA, but
according to the author's discussion, it seems to be very similar to
the DA circuit schematics at
http://www.ko4bb.com/~bruce/IsolationAmplifiers.html. I haven't had
time to
While investigating recent threads on Distribution Amps, I ran across a DA
project on Didier's web site at
http://www.ko4bb.com/Timing/Distribution_Amp/ and
http://www.ko4bb.com/ham_radio/Extron_3_80/. Those pages describe using an
Extron ADA 3 80 analog video distribution amp to distribute a
Both Mouser and Digikey stocks several models of Ethernet transformers.
Regards,
Javier
Dave M escribió:
Also, looking for a source of low cost 1:1 and 2:1 Ethernet transformers.
I've tried the local computer shops, but they don't seem to be interested in
helping.
Dave M
--
