[time-nuts] One Kg Quartz Resonator
Bob Camp
lists at rtty.us
Tue Jan 22 19:46:28 EST 2013
Hi
As with the one kg resonator, you need to mount the bar *somehow*. The idea is generally to suspend the resonator at a point that least affects the resonance (a dead spot). With a large bar, making it manually adjustable is practical. Not so much with a smaller part.
Bob
On Jan 22, 2013, at 7:14 PM, Fabio Eboli <fabioeb at quipo.it> wrote:
> Il 2013-01-22 23:19 Tom Van Baak (lab) ha scritto:
>> Yes, Don, those old quartz bars are rare and amazing:
>>
>> http://leapsecond.com/museum/gr676b-50kc/
>> http://leapsecond.com/museum/gr1190a/
>
> What is the function of the (metal?) disc
> plates near the two ends of the rods?
> Their position seem to be trimmable.
>
> Thank,
> Fabio.
>
>
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