[time-nuts] Circuit diagram for Efratom FRK-HLN 5 Mhz oscillator board

[Matt Osborn]

These folks have one for sale, they may be able to help

http://www.aptecelectronics.com/prod03.htm


On Wed, 28 Feb 2007 21:25:39 +0100, "Arnold Tibus"
<Arnold.Tibus at gmx.de> wrote:

>Hello Ulrich and hello Nigel (nice to meet you here as well!), 
>
>I would like to help if possible, as I am owner of a FRK-HLN 
>with 5 MHz output. I own as well a operation and maintenance manual for 
>the FRK (H or L) , but I realized quite soon, that the content of my
>oscillator with 5 MHz is quite different as described and shown 
>in am. manual, talking of the different 10 MHz circuits and boards, 
>not mentioning the 5 MHz issue. I tried to find out the differences, 
>but I stopped.
>Since then I am as well looking for the correct manual and circuits 
>for the FRK-HLN-1A2B2A, EFRATOM Part No. 703-200-8 5 MHz. 
>Nigel, of course I am interested to help and to exchange informations, 
>I have anyway to answer your last letter. 
>I wonder if somebody could help with the special issue of manual.
>greetings to all,
>
>Arnold, DK2WT
>
>
>
>
>On Wed, 28 Feb 2007 19:54:53 +0100, Ulrich Bangert wrote:
>
>>Hi folks,
>
>>please allow me to ask the group on behalf of the future member Nigel
>>Allinson whether anyone has an schematic diagram of the 5 MHz low noise
>>oscillator board that Efratom used in the HLN (!) version of the FRK.
>
>>TIA 
>
>>Ulrich Bangert, DF6JB
>
>
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>
>
>
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