[AMRadio] ICM crystals


Larry Szendrei ne1s at securespeed.us
Wed Dec 17 09:38:04 EST 2014


All good points, Rob.

Tnx and 73,
-Larry/NE1S

On 12/17/14 9:26 AM, Rob Atkinson wrote:
> I still get the rocks when I can find them because some modern
> frequency source full of chips may crap out with VLSI chips that are
> unobtainium, or even if I got a replacement part, putting it in would
> be impossible with regular bench soldering tools.   Another nice thing
> with crystals is they are handy for testing and troubleshooting.  Plug
> one in and try the rig and see what happens.  Depending on what it
> does you have either eliminated the VFO as the problem or eliminated
> the transmitter and can focus on the VFO.  Crystals have no warmup
> time.  probably other advantages I can't think of.
>
> Rob
> K5UJ
>



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