|[AMRadio] ICM crystals|
ne1s at securespeed.us
Wed Dec 17 09:38:04 EST 2014
All good points, Rob.
Tnx and 73,
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.
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