This circuit was found in the April 1983 issue of Radio Electronics magazine. Its purpose is to couple an antenna to two receivers without problems with coupling losses.
The current drained by this circuit, from a 1976 documentation, is 3 mA and the cut-off frequency is...
This circuit for 12 V relays was found in the July 1992 Radio Electronics magazine. The circuit is set...
This circuit generates high pulses from a sinusoidal input, using SCRs for this purpose. The...