[time-nuts] Question on GPS and reference standards

[Bruce Griffiths]

A conjugate regenerative divider will have  asinewave output.
It only requires a mixer an amplifier or two and a couple of bandpass 
filters.
It will have lower phase noise than all(?) alternative techniques.

Bruce

Tom Van Baak wrote:
> A good question for the group...
> /tvb
>
>> Hi:
>>
>> I have both a GPS Frequency standard (Trimble Thunder Bolt) which 
>> outputs the 10
>> MHz reference and also the 1 PPS signal. In addition, I have a 
>> Collins AEU unit
>> which has a 10 MHz Rubidium reference inside. Both units work well 
>> and produce a
>> very accurate reference signal for the units that require a 10 MHz 
>> reference.
>>
>> The challenge is that I am looking for a source of a 10:1 frequency 
>> divider so I
>> can create a 1 MHz reference for my Rockwell Collins HF-80 system. 
>> Can you
>> suggest a source of a high quality frequency divider that outputs a 
>> (nearly)
>> sine wave signal? We only need two units - one for production and one 
>> for our
>> development lab.
>>
>> The object is to provide a very accurate source of 1 MHz and 10 MHz 
>> to the
>> various radio systems used in our disaster and humanitarian relief radio
>> network. When you send data, you need to be exactly on frequency.
>>
>> Any help would be great. Just need to be pointed in the right 
>> direction. While
>> we could try to design something to meet this objective, I am sure 
>> that someone
>> has already done this.
>>
>> Thank you.
>>
>> Kevin
>
>
>
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