This is the receiver for the previous circuit found in the November 1991 Radio Electronics magazine. The frequency is 2.2 MHz determined by the coils.
This circuit is of an old Argentine magazine of the 70's. The difficulty for its assembly is in...
Found in 1967 General Electric documentation this circuit uses a PUT and a diac to generate 1 kHz...
August 10216 - It can be obtained from Mouser Electronics new diodes series WE-TVSP 400-3000W of...