[ntp:questions] Thunderbolt at NTP ref clock.

Mark C. Stephens marks at non-stop.com.au
Fri Aug 2 03:06:56 UTC 2013


Dave, Pulse stretcher circuit here: http://www.vk2hmc.net/blog/?p=583
Lady Heather software can adjust PPS pulse width amongst many other things.
LH is available here: http://www.ke5fx.com/heather/readme.htm

--Marki

-----Original Message-----
From: questions-bounces+marks=non-stop.com.au at lists.ntp.org [mailto:questions-bounces+marks=non-stop.com.au at lists.ntp.org] On Behalf Of DaveB
Sent: Friday, 2 August 2013 5:25 AM
To: questions at lists.ntp.org
Subject: Re: [ntp:questions] Thunderbolt at NTP ref clock.

In article <MPG.2c64c32b36947228989685 at aioe.org>, spam.goes at nowhere.com says...
> Took a look at the TB's PPS signal last night, & yes, 20ns duration, 
> and though it can be turned -ve (as in 0 to -5V) or off, the width 
> can't be changed.

My error.  20 micro seconds pulse width!  (Not nanno....)  It's too hot here.

Dave B.

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