Found in a 1966 General Electric manual, this circuit provides a delay in starting. The motor is of the universal type and the triac according to its current.
Other operational amplifiers can be used in this circuit obtained from the manufacturer's own...
Found in a 80s American documentation, this circuit pulses a lamp for optical relay tests. The...
This is a precision half-wave rectifier, suggested by Texas Instruments. Diodes are commonly used,...