[Heathkit] Need crystals for DX-100

[lee]

You can have Vincent Jakomin in the UK  (IQ Electronic Design) grind real 
HC-6/U crystals for you to your frequency for around $10 each or just 
slightly higher and the postage for one crystal would be around $7 or $8. 
Vincent needs around two weeks  to produce your crystals.  These are not 
some Asian small crystal stuffed in an old FT-243 holder to appear to be a 
FT-243 crystal which will chirp and burn out in many rigs.  HC-6/U crystals 
can handle almost as much current as a real FT-243 crystal.  Vincent also 
sells used crystals too for a much lower price.  He is a good guy selling 
quality crystals.  His e-mail address is:    vincentvoy at hotmail.co.uk 
Buying a bunch of them will lower your shipping charges per crystal.

Lee, w0vt


----- Reply message -----
From: "Bill Cromwell" <wrcromwell at gmail.com>
To: <heathkit at mailman.qth.net>
Subject: [Heathkit] Need crystals for DX-100
Date: Mon, Dec 19, 2011 12:21 pm


Hi Rick,

You only need xtals for the bottom of 160 and 40 meters. Those old
transmitters multiply from 160 xtals (or VFO) to cover 160, 80, and
sometimes 40 meters and again xtals on 40 meters to multiply up to all
of the the pre-WARC bands. Old transmitters that do not have 160 start
with 80 meter rocks (or VFO) or on 40 meters the same way. You wouldn't
buy a "20 meter xtal" to operate on 20 for example. The xtal or VFO on
40 meters is doubled to get there.

As the frequency band goes up you will be higher in the bands due to
multiplying so get xtals just in a little from the band edges. Your
xtals that start in the 80 or 40 meter phone bands may be out of band
when multiplied up to higher bands. A 7300 kc Xtal will get you to 14600
and 21900 for example (pink ticket)...or 29200 well up in the ten meter
band.

I have bought some things including xtals from Bry, AF4K, who is on this
list and has participated in your other thread about your DX-100. He
hasn't shorted me, yet. I haven't checked QRZ to see what class license
you have but I would suggest working up a list of xtals that will line
up with your priveleges in all of the bands. Then you can use them to
actually go on the air AND test old transmitters. I have some here I use
that way. You don't need a box full of band edge markers, a single
calibrator with 100 kHz and 25 kHz markers will do nicely and cost a lot
less.

73,

Bill  KU8H

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