[ARC5] Question on ARC Type 12 R-11A receiver.

[D. Platt]

Ken,

On the diagram in my ARC Type 12 factory book, the notation reference is 
Note 9. Note 9 says "Selected for proper loop resonance from the values 
73, 75, and 77 uuf".

Any help?

Jeep - K3HVG


On 8/5/2014 8:12 PM, Kenneth G. Gordon wrote:
> A schematic diagram I have of the ARC R-11A Type 12 MF receiver shows a
> notation on it near the antenna input. To wit:
>
> "LONG ANT (NOTE 5)" then "SHORT ANTENNA (NOTE 5)" and "C-601 50
> (60MMF) (NOTE 12)"
>
> There are no "notes" on the schematic, and I cannot find them in my copy of
> the ARC Type 12 maintenance manual.
>
> Does anyone here have any idea to what this all refers?
>
> How long or short are the long and short antennas?
>
> An interesting thing I did find in the manual, though, states that the R-11A
> MF receiver, and the R-10A BC band receiver, should test with a sensitivity
> of less than 1 microvolt when properly aligned.
>
> I am wondering if the 14S7 is a "quieter" mixer than the 12K8?
>
> Kenneth G. Gordon W7EKB
>
> "Courage is being scared to death but saddling up anyway."--- John   Wayne
>
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