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: [email protected] [mailto:[email protected]] On Behalf Of DaveB Sent: Friday, 2 August 2013 5:25 AM To: [email protected] Subject: Re: [ntp:questions] Thunderbolt at NTP ref clock. In article <[email protected]>, [email protected] 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. _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
