"J.F" <j...@p...onet.pl> writes:

> "The regeneration, called "TICKLER," was provided by a variometer that
> was built into the secondary inductor form. [...]the variometer rotor.
> The TICKLER adjustment controlled the sensitivity and somewhat the
> selectivity of the receiver. The TICKLER also would allow the detector
> to be operated as an Autodyne or oscillating regenerative detector.
> Since the detector was oscillating at the tuned frequency this
> provided a heterodyne action with the incoming signal that the allowed
^^^
> demodulation of an arc transmitter's continuous wave (CW) signal. "

Pewnie to "the" jest niepotrzebne.

Oscylatory + mieszacze + (de)modulatory 3 w 1 to była od dawna normalna
sprawa. Dopiero względnie ostatnio się porobiło (w analogu) nieco
inaczej, przez odbiorniki kwadraturowe i software radio (np. w parze z
odbiornikiem cyfrowym).
--
Krzysztof Hałasa