1
We found this circuit in GE's 1977 semiconductor manual. The optical isolator uses an opto-SCR, and the lamp must be 25 W maximum. Only incandescent lamps should be used.
Found in American documentation from the 1970s, this circuit is intended for amplifying analog TV...
This circuit produces horizontal lines or bars in a analog TV tuned between channels 2 and 5. L1...
This alarm with the 555 integrated circuit is from an EDN from the 90s. The circuit directly...