David, That could be a modulator, if one input receive about 500 kHz and th=
e other side Audio signal, then the resonant circuit would select the side =
band. then a similar circuit with HF adjustable would make a receiver, and =
the whole thing become a voice distorter.

Just another $0.02,

Jean-Paul
N1JPL

> On Oct 3, 2016, at 9:07 AM, Van Horn, David <david.vanhorn@backcountryacc=
ess.com> wrote:
>=20
> The joys of taking over a project and looking at notes from two and three=
 engineers ago... =20
> :)
>=20
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