This old circuit, from the 80's, uses an integrated circuit that is uncommon today. The circuit is intended for loads controlled by triac and the resistors depend on the desired control.
ts component datasheet which can supply currents of 1 A (1.125 V and 400 mA (1.2 V). The inputs can...
We found this circuit in a 1982 publication. This transmitter sends its signal to any AM radio...
This simple circuit was suggested by the Electronics Handbook Volume XIII 1993. LED D1 emits light for...