[time-nuts] Inside of FT1200-100

Christopher Hoover ch at murgatroid.com
Wed Nov 23 15:25:05 EST 2016


Part number decoder on page 4 of:

http://www.mouser.com/catalog/supplier/library/pdf/AVXGlassDielectric.pdf

CY = glass
06 = case size
C = operating temp (-55 C to +125 C)
240 = 24 pF
J =  tolerance (+/- 5%)



On Wed, Nov 23, 2016 at 12:19 PM, Christopher Hoover <ch at murgatroid.com>
wrote:

> OK, I think this folded-over cap sets the nominal XO frequency:
>
> (link in case it doesn't go through: https://goo.gl/photos
> /XHUCKTnC3NAB5rKD6 )
>
> I read the p/n as CY06C240J.   24 pFs?  CGW would seem to be Corning Glass
> Works.
>
>
>
>
> On Wed, Nov 23, 2016 at 8:57 AM, Tom Van Baak <tvb at leapsecond.com> wrote:
>
>> > Chris enjoying the pictures. Most likely I will never run into one of
>> these
>> > oscillators. But it is nice to know that you have gone "where no man has
>> > gone before". Star Trek? Not sure.
>> > Regards
>> > Paul
>> > WB8TSL
>>
>> Paul,
>>
>> I have quite a few vintage FTS 1200's here and will be doing a grand
>> comparison in a few months. They are known for extremely good ADEV, way
>> down in the -13's. I'll put your name on one of them.
>>
>> /tvb
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>
>
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