[time-nuts] Tait reference

Dave Brown tractorb at ihug.co.nz
Sun Jan 10 23:59:18 EST 2016


Tait is a major mobile comms manufacturer-head office is here in 
Christchurch, NZ-a couple of miles down the road from me.
 The T801 is/was often used in simulcast systems (which seem to be peculiar 
to the UK)  to lock up several base station equipments to a common 
reference-which is usually a 12.8 MHz high quality OCXO.  But I suggest you 
ask a few pertinent questions of the vendor to find out more about that 
particular box, as it may be slightly different, depending on where it came 
from.
 DaveB, NZ



----- Original Message ----- 
From: "Bob Camp" <kb8tq at n1k.org>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Monday, January 11, 2016 4:00 PM
Subject: Re: [time-nuts] Tait reference


> Hi
>
> Unless we are looking at different auctions, that one appears to want 13.8 
> V at <= 5A
> as the supply.
>
> The BNC’s are also a fairly rare item in the Telco inventory (but not 
> unheard of).
>
> If I had to bet, I’d say it’s a piece of mobile video gear. I would not 
> bet anything over
> about a nickel on that being correct. It’s very much a mystery item other 
> than possibly
> having an offset frequency translation function.
>
> Bob
>
>> On Jan 10, 2016, at 8:35 PM, paul swed <paulswedb at gmail.com> wrote:
>>
>> What little I can tell is they are telco references so there may be
>> something good inside OCXO or RB. It looks like it runs on -48VDC from 
>> the
>> ebay pix. Its output could be any of the typical telco references that 
>> are
>> not 5 or 10 MHz. These are pure guesses. The Price seems reasonable.
>> Good luck
>> Paul
>> WB8TSL
>>
>> On Sun, Jan 10, 2016 at 6:48 PM, Adrian Godwin <artgodwin at gmail.com> 
>> wrote:
>>
>>> Are these the references with a rubidium oscillator ? They seem to have
>>> similar models with OCXOs etc.
>>>
>>> http://www.ebay.co.uk/itm/111862884745
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