[Elecraft] xtals 7-11

Fri Mar 7 21:49:00 2003

OK what is "blow-by"?  I have heard it used in reference to receiver
sections but I have absolutely no idea what it means.
73, Martin AC6RM

> On 3/3/03 9:14 PM, john cooper at [email protected] wrote:
>
>>    why is it necesarry to double ground the xtals x7-x11 on the k2 rf
>>board?
>
> The double grounding reduces the inductance of the crystal cases to
> ground -- thus reducing any possble filter blow-by, cause by coupling of
>  currents in the crystal case to other components.
>
> The effect is very subtle, but I believe KI6WD had some pretty
> impressive  Spectrogram plots demonstrating the difference in the
> skirts.
>
>
>
> Bill Coleman, AA4LR, PP-ASEL        Mail: [email protected]
> Quote: "Not within a thousand years will man ever fly!"
>             -- Wilbur Wright, 1901
>
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