[time-nuts] Bye-Bye Crystals

jimlux jimlux at earthlink.net
Mon Mar 13 17:15:36 EDT 2017


On 3/13/17 11:29 AM, Tim Shoppa wrote:
> With a chunk of raw crystal material and a lapidary saw, blanks can be cut.
>
> Typical FT-243/U crystal construction technology up through the 1950's:
>
> http://www.rfcafe.com/references/popular-electronics/after-class-Quartz-Crystals-january-1957-popular-electronics.htm
>
> It was very common for hams to regrind crystals for other nearby
> frequencies at home:
> http://www.bliley.net/XTAL/docs/misc/XTAL_grinding/grinding.html
>
>



"Grinding your own crystals can be lots of fun, and you can have the 
freedom of a v.f.o. without the danger of a pink ticket."

why, it's as simple as spinning the knob on the VFO<grin>




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