[time-nuts] New pics of RFTG-m-Rb, and some comparison details

Didier Juges didier at cox.net
Sun Dec 31 10:07:17 EST 2006


If the unit has an internal 10 MHz OCXO, it is hard to imagine the 15 
MHz being cleaner than the 10 MHz, so it would seem the best way 
(simpler and cleaner) is actually to tap off the OCXO with a suitable 
buffer amp.

Didier KO4BB

jmfranke wrote:
> One approach would be to divide the 15 MHz by three and then mix the 
> resultant 5 MHz with the original 15 MHz to get 10 MHz: original minus one 
> third equals two thirds.
>
> John  WA4WDL
>
> ----- Original Message ----- 
> From: "John Ackermann N8UR" <jra at febo.com>
> To: "Discussion of precise time and frequency measurement" 
> <time-nuts at febo.com>
> Sent: Sunday, December 31, 2006 9:01 AM
> Subject: Re: [time-nuts] New pics of RFTG-m-Rb, and some comparison details
>
>
>   
>> Bill Hawkins said the following on 12/31/2006 02:15 AM:
>>
>>     
>>> Anybody know how to divide by 2/3rds without a microprocessor? :-)
>>>       
>> I suspect it would be pretty easy to tap off the 10MHz signal from the
>> XO in addition to (or instead of) the 15MHz output.
>>
>> John
>>
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