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Re: [linrad] Need circuit for 122 MHz crystal oscillator



Yes he is.   I have sent him and email and will copy Brian should I get a 
better copy.

Terry KJ7F

At 09:18 AM 6/21/2004 +0100, you wrote:

>Brian Teravskis wrote:
>>I too have been looking at a low phase noise crystal oscillators around 
>>100 MHz for use in a Tayloe Detector design for a 50 MHz DC receiver. I 
>>was going to use a circuit found in QEX (90 MHz oscillator for a 6 meter 
>>transverter, Sept, 1995, page 27), but have been questioning this choice 
>>with the interesting reference below and the following reference:
>>http://www.ieee-uffc.org/freqcontrol/tutorials/FCS%20Tutorials%2000/Driscoll%20html/Driscoll_files/frame.htm 
>>
>>The article by Chris Bartram referenced below has a diagram of a Driscoll 
>>Oscillator, but it is unreadable. Does anyone have a better copy of this 
>>diagram?
>>Regards,
>>Brian
>>At 09:10 AM 6/20/2004 +0100, you wrote:
>>
>>>KJ7F wrote:
>>>
>>>>Gang,
>>>>    I am considering buying the Time Machine for use with my 432 to 28 
>>>> Mhz transverter for EME and Linrad.   I want to get the daughter board 
>>>> to use with it.   That means that I need to make a 112 MHz crystal 
>>>> oscillator to use the Time Machine with the 28 MHz output of my 
>>>> transverter.   Does any one have a suggestion for a good circuit for a 
>>>> 112 MHz crystal oscillator using a 5th or 7th overtone crystal?   Of 
>>>> course a low phase noise design would be best.
>>>>Terry KJ7F
>>>
>>>Terry have a look at this link, it may help.
>>>
>>>http://www.chris-bartram.co.uk/Martlesham%20Presentation.htm
>>>
>>>Richard
>>>
>e=-mail Chris, He's a nice guy and sure to help
>
>Richard
>

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