[ARC5] BC-229 / BC-429 receivers

[Mike Hanz]

It's for the optional loop antenna.

On 10/11/2014 6:46 AM, AKLDGUY . wrote:
> In the BC-229 and BC-429 receivers, a winding on the first RF amplifier
> grid coil is shown unconnected in the manual, but at the following site a
> diagram shows a switching arrangement that connects it to a socket with 3
> pins, 63, 55, 64:
>
> http://www.rkk-museum.ru/vitr_all/exhibits/s509_e.shtml
>
> What is the function of the switching? It looks like the antenna terminal A
> gets grounded.
>
> 73 de Neil ZL1ANM
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