Landen,
You need to be careful about which Giehl chip you get. There are various
versions that work with various versions of the Paragon PLL boards. I
currently have Giehl version 6.1. I had an earlier version and then had
PLL problems. I sent the rig to Ten Tec and they upgraded the board.
The old Giehl chip would not work properly with the new board. Bob Giehl
sent me the new (at the time) 6.0 version and it wouldn't work
properly either. He then sent me the 6.1 version and it was OK but never
worked as well as the earlier one (QSK a bit thumpy). I think the timing
is not exactly right. I wish I had more info on the subject. I just
wanted to let you know that you could get a chip that doesn't work with
your Paragon. The timing differences will yield a very lousy CW note and
poorly functioning QSK! I've copied the reflector on this so maybe
someone out there has more precise info on this subject.
It's very interesting how Ten Tec incorporated most of Bob Giehl's
features into the short lived Paragon II! It has always rubbed me the
wrong way that they wouldn't make a chip for the Paragon to give it the
Paragon II features. Just for spite, I didn't trade up and the Paragon
II died an early death. (Just kidding - one less Paragon II sold wouldn't
have done it!)
73,
Puck, W4PM
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