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Asimov
 
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Default "Y1" component designation?

"Andrew Rossmann" bravely wrote to "All" (16 Aug 03 07:52:40)
--- on the topic of " "Y1" component designation?"

I don't thing the Y prefix is for a crystal. Like was stated I thought
it was for a resonnant filter, i.e ceramic or other type. These tend to
have 3 legs instead of a crystal's 2.

These resonnators are often used to replace a tuned coil because they
are a lot smaller, have a high Q, and can be more accurate without
requiring any tuning adjustment.

AR From: Andrew Rossmann
AR In article xpi%a.153222$Ho3.18533@sccrnsc03,
AR says...
it is a crystal or ceramic resenator, possibly 3.58mHz


AR This makes me wonder: Where did some of these letter designations
AR come from? Why are most IC's labeled U1, U2, etc..? I'm guessing Y is
AR from crYstal? How about L (or sometimes E) for inductors? Q for
AR transistors?
AR --
AR If there is a no_junk in my address, please REMOVE it before replying!
AR All junk mail senders will be prosecuted to the fullest extent of the
AR law!!
AR
http://home.att.net/~andyross

.... Dunno if we'll get that past the CSA und UL 'owever.