[time-nuts] latest on the lightsquared 'saga'

Matt Osborn kc0ukk at msosborn.com
Tue Mar 8 18:42:31 UTC 2011


Mike,

The saw filter is between the antenna and the LNA. You're correct as
to the sensitivity measurement; it is -146 dBm acquisition and -159
dBm tracking.  It also specs 1PPS accuracy of < 22ns, 1 - sigma.

Here is a link to the data sheet:
<http://www.ilotus.com.sg/sites/all/themes/zeropoint/pdf/tx/TX%20Oncore%20-%20TDS%20(Ver%203.5.0).pdf>



On Tue, 8 Mar 2011 07:33:38 -0500, "Mike Feher" <mfeher at eozinc.com>
wrote:

>That sounds neat. My recollection of SAW filters from many moons ago is that
>they have a fair amount of insertion loss. One always has to consider
>trade-offs. Do you know if it is placed after the antenna and before the
>LNA, or, is it after the LNA? Also, you probably meant -159 dBm of
>sensitivity, and, I expect that is on a one Hz basis. 73 - Mike 
>
>Mike B. Feher, EOZ Inc.
>89 Arnold Blvd.
>Howell, NJ, 07731
>732-886-5960 office
>908-902-3831 cell
>
>-----Original Message-----
>From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
>Behalf Of Matt Osborn
>Sent: Monday, March 07, 2011 2:59 PM
>To: Discussion of precise time and frequency measurement
>Subject: Re: [time-nuts] latest on the lightsquared 'saga'
>
>iLotus has the new TX Oncore timing receiver with a built in saw
>filter and -159db sensitivity.  Has anyone had a chance to put it
>through its paces?
>
>-- kc0ukk at msosborn dot com
>
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-- kc0ukk at msosborn dot com



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