Found in an Electronic Design of 1965, this circuit consists of NOR gates and can be used in astable and monostable multivibrators.
With this circuit it is possible to keep the current in an LED constant even if the supply voltage...
This circuit was suggested by Motorola in its manual of components for optoelectronics (1987)...
This sensitive circuit can be designed with FETs such as BF245 and MPF102. The sensor is a silicon...