[time-nuts] Bye-Bye Crystals
jimlux at earthlink.net
Tue Mar 14 08:21:55 EDT 2017
On 3/14/17 12:19 AM, Chris Albertson wrote:
> I think what he means is that the typical device sold today has four
> terminals not two. It looks like a crystal because it is inside a
> little silver can but has four lead wires Power, ground and "output"
> and the fourth lead might not be used. It is an "XO" not an "X".
> But I argue that every one of these device has a crystal inside. So
> they still make crystals, just you don't see them
A lot of those have micromachined silicon as the resonator, though
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