[time-nuts] RFTG-m-XO disassembly photos

John Ackermann N8UR jra at febo.com
Wed Dec 27 17:23:33 EST 2006


Dr Bruce Griffiths said the following on 12/27/2006 04:35 PM:
> John Ackermann N8UR wrote:
>> The 15MHz out surprised me to.  I haven't traced out the circuits but
>> from a couple of the components, I am guessing that they do something
>> like take the 3rd harmonic of the 10MHz OCXO and dividing that by 2.
>>   
> John
> 
> That is not likely to be the scheme used, as there appears to be no 
> 30MHz bandpass filter.
> The alternative technique of dividing the 10MHz by 2 and then extracting 
> the 3rd harmonic of the resultant 5MHz square wave is more likely.

You're right, and it's a simpler method anyway.  Let Occam rule.

John



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