This circuit was found in a 1964 Electronic Design. The circuit makes use of transistors of the time. Current equivalent transistors may be experienced.
This circuit can operate in a 100 dB range with signals of up to 100 MHz frequencies. Similar...
This circuit with only two transistors is from an 80's EDN. It can be implemented with two current...
This inverter bistable buffer circuit was obtained in a Hands On of the 90's. Next to the circuit we...