[time-nuts] For those that insist on using switching power supplies

Bryan _ bpl521 at outlook.com
Wed Oct 12 16:42:20 EDT 2016

And this one to show how safe and well designed they are.<lol>



From: time-nuts <time-nuts-bounces at febo.com> on behalf of Pete Lancashire <pete at petelancashire.com>
Sent: October 12, 2016 10:58 AM
To: Discussion of precise time and frequency measurement
Subject: [time-nuts] For those that insist on using switching power supplies

Although this link

A dozen USB chargers in the lab: Apple is very good, but not quite the best<http://www.righto.com/2012/10/a-dozen-usb-chargers-in-lab-apple-is.html>
When you buy a USB charger, how do you know if you're getting a safe, high-quality charger for your money? You can't tell from the outside...

is about the little Line to 5V USB adapters one sees everywhere now days,
it does show how crappy the output looks when one gets a 'bargin'

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