Here is a link to a
photo of the 5V 10uS wide pulse. It is there but catching it on some scopes can
be a problem because of its narrow width and low repetition rate.
http://farm5.static.flickr.com/4013/4339027385_0d9f2bc055.jpg
+++
Hal Murray: “The
problem
See http;//www.ko4bb.com/Test_Equipment/Thunderbolt/PulseStreching/
Didier KO4BB
Sent from my Verizon Wireless BlackBerry
-Original Message-
From: Arthur Dent
Sender: time-nuts-boun...@febo.com
Date: Sun, 26 Sep 2010 05:07:50
To:
Reply-To: Discussion of precise time and frequency meas
Thanks for all the information on the DS1620.
As it turns out, both of the TBolts (remember I got the from two different
sellers and appear identical) have the Trimble OCXO, v3.00 firmware, but the
DS1620's are marked as follows:
DS1620
0415E2
531AD
DS1620
0239D1
690AB
Interestingly, the fi
I know a few people were toying with the notion of upgrading their Tymserve
2100's with the LPRO module, and I'm not really sure
what came of that.
Has anyone tried to upgrade their unit from a TCXO to an OCXO? It looks like a
couple sizes will fit on the board. My only concerns
before attemptin