This circuit is from a 1965 Motorola manual. It can be implemented with a common 2N2646 and a 106 Series SCR without problems. The pulse transformer has a 1: 1 turn ratio.
This is the circuit that decodes the signals from the CIR3059. The adjustment of each frequency is made in...
Found in an American publication in 1967, this circuit makes use of an integrated circuit of the time,...
We found this circuit in the Linear Applications Hanbook of the National Semiconductor in 1994. The...