This Schmitt trigger was found in old documentation. The transistors can be of the general-purpose type like BC548 or even 2N2222.
This circuit makes use of a transconductance operational amplifier. It generates signals with TTL...
This protection circuit was obtained in a 1969 Electronic Design. The SCR can be the current...
The figure shows how to connect a 7400 to obtain a bistable configuration. The circuit must be...