I'm not sure how critical that exact value is. I'm still doing assembly
and not at that step yet. My bag of 7 xtals has "3.7" written on it.
All of the xtals have 4.9136 marked on them. I assume they were all
measured & matched at 4.9137 MHz instead of the marked value, so they
are 100 Hz high.
I don't see a similar number on the BFO xtals bag of 2 xtals which are
listed as 4.915 and marked on the xtals as 4.91. Not sure if this helps
you. I'll try to remember not to throw the bag away right off but keep
it handy. Thanks for the heads up!
Mark, NK8Q
K2 S/N 4786 (being built)
Andrew Moore wrote:
I'm assembling the RF board on my K2, and I just reached the step that
says:
"The bag of 7 filter crystals should have a number
written on it. Record the number here: _________ .
This identifies the tested frequency of the
crystals, and can be used in aligning filters.
Well, last night when I was sorting components and putting them in
trays, I tossed the bags.
Tomorrow morning is trash day, and the trash is at the curb. Should I
go start digging, or is it really necessary for me to have this number?
--Andrew, NV1B
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