This well-designed bistable configuration is for educational purposes. We found it in the September 19873 Radio Electronics magazine. The transistors are types from that time.
We found this decoder in a 1966 General Electric publication. It makes use of general purpose...
Another alternate action switch that uses a NAND Schmitt Gate [4093 IC] is shown here. The...
This filter operates in the “opposite” way to the previous one (CIR8814), cutting all signals...