[Hallicrafters] xtal question

[Gerry Steffens]

It should be just fine.  Some of the last scanner radios before they went to
digital synth. used these small things.  I have messed with both Knight and
National calibrators which used the standard as you suggest and modified
them to also use the old crystals in the octal tube configuration and the
little buggers.  All worked fine.

Gerry


Collecting & Restoring E.H. Scott, 
McMurdo Silver, Hallicrafters, Zenith 
Transoceanic and any other interesting 
radios since the 1960s
Gerald Steffens P.E.
Oronoco, MN


-----Original Message-----
From: hallicrafters-bounces at mailman.qth.net
[mailto:hallicrafters-bounces at mailman.qth.net] On Behalf Of Nash4447 at cs.com
Sent: Friday, January 21, 2005 11:22 PM
To: hallicrafters at mailman.qth.net
Subject: [Hallicrafters] xtal question


Fellas

I am building a single tube 100kc xtal calibrator common to many mid 50s 
receivers. Nothing special about the circuit.

Not having a spare 100kc xtal, I looked in the Mouser catalogue and noticed 
that they sell one for about 50 cents !!!.  Now the 100kc xtals I am used to

seeing are usually in metal HC6U holders and this is what I expected to get.

When the Mouser xtal arrived, I couldn't believe it - the damned thing is
about 
the size and shape of the rubber erasure on a lead pencil with two wire
leads 
out the bottom.  The specs say it has a 12pf load capacitance which would be

about right.

Does anyone know whether this tiny contraption will actually substitute for
a 
100kc xtal like the kind in the above mentioned holder? The difference in 
size is what has me mystified.

Glenn K6PZT
______________________________________________________________
Hallicrafters mailing list
Home: http://mailman.qth.net/mailman/listinfo/hallicrafters
Help: http://mailman.qth.net/mmfaq.html
Post: mailto:Hallicrafters at mailman.qth.net
----
List Administrator: Duane Fischer, W8DBF **for assistance**
dfischer at usol.com
----
Hallicrafters Collectors International: http://www.w9wze.org