I would be interested in this information as well!
Best regards
Ulrich Bangert
-Ursprungliche Nachricht-
Von: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Im Auftrag von Dan Rae
Gesendet: Donnerstag, 20. November 2008 18:58
An: time-nuts@febo.com
Betreff: [time-nuts] To improve
]
Behalf Of Ulrich Bangert
Sent: Friday, November 21, 2008 2:58 AM
To: Time nuts
Subject: Re: [time-nuts] To improve a Tbolt?
I would be interested in this information as well!
Best regards
Ulrich Bangert
-Ursprungliche Nachricht-
Von: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED
John Miles wrote:
I've upgraded the graph on the http://www.ke5fx.com/tbolt.htm page to show
the performance of my Thunderbolt from the TAPR group buy (in orange) next
to the traces for my older unit before and after the 10811 upgrade.
Thanks John, it looks like the Tapr ones have a very
I've upgraded the graph on the http://www.ke5fx.com/tbolt.htm page to show
the performance of my Thunderbolt from the TAPR group buy (in orange) next
to the traces for my older unit before and after the 10811 upgrade.
There is no upside to tinkering with the OCXO on the TAPR units, unless
: Re: [time-nuts] To improve a Tbolt?
I've upgraded the graph on the http://www.ke5fx.com/tbolt.htm page to show
the performance of my Thunderbolt from the TAPR group buy (in orange) next
to the traces for my older unit before and after the 10811 upgrade.
There is no upside to tinkering
On your rubidium comment, one needs to be a little careful about
expectations. For short tau (say 0.1 to 10 seconds) your average
cheap eBay surplus telecom Rb will have far less performance
than a good OCXO. Yet mid-term (say 10 to 10^4 seconds), a
Rb-GPSDO will win. However, long-term the
John Miles wrote:
I've upgraded the graph on the http://www.ke5fx.com/tbolt.htm page to show
the performance of my Thunderbolt from the TAPR group buy (in orange) next
to the traces for my older unit before and after the 10811 upgrade.
There is no upside to tinkering with the OCXO on the TAPR
What power supply did the TAPR Thunderbolt use?
The green, orange, and red traces used the supply module that came with the
TAPR order. You can see the characteristic hump around 3 kHz that appears
in many of Tom's plots with this supply as well.
The blue trace was the old-style packaged
I have been reading with interest John Miles' page about his Tbolt
'upgrade'.
http://www.thegleam.com/ke5fx/tbolt.htm
I have a newly acquired Tbolt here, and also have lying around an almost
identical 10811-60111 OCXO which I am considering using with it, exactly
as John describes. However
