Brenda Ann wrote in message
...

"RadioGuy" wrote in message
...
With the proper hookup you will get a tone---and the tone will be
adjustable
in frequency depending upon operator preference.

Ah, but then it wouldn't be a totally passive receiver. The OP is looking
to
use only the passive receiver, not any add-ons or external sources.


Yes well... I can't say the receiver will be totally passive but it won't be
too much more complicated than the basic crystal detector. At the most,
roughly speaking, three more component parts will be needed.

RG