[ARC5] [Milsurplus] SCR-183/-283 4-5 MC Coil on 75 MTRs

[J Mcvey via ARC5]

There are ceramics and there are more ceramics. Not all were created equal.

The NPO type is designed for RF stability and low loss.
The other types, not so much...



On Tuesday, July 1, 2014 11:01 AM, Mike Hanz <aaf-radio-1 at aafradio.org> wrote:
 


On 7/1/2014 10:13 AM, Mike Everette via ARC5 wrote:
> Anyone ever seen an SCR-183/283 transmitter modified for crystal control, by the military?

Yup.  The C-184 transmitter coil set is about a forth of the way down 
the web page at http://aafradio.org/flightdeck/1935/SCR-AE-183.html

> I once had one, and it was traded to "Boatanchor Bob" for some TCS cables... a silver BC-230 with a 4495 kc crystal.  The crystal was a type I've not seen before or since; it looked like a mica capacitor roughly an inch square with big round solder lugs on either side.

I've never seen the DC-10 case crystal in any other airborne equipment 
either.

73,
Mike  KC4TOS


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