We found this good power amplifier with the LM12 integrated circuit in the March 1989 issue of Radio Electronics magazine. The output power is around 100 W.
Found in a 1969’s Electronic Design, this circuit operates in a narrow range of voltages....
This switch can only be triggered when the mains voltage goes through zero and can operate as a...
This circuit was found in a Popular Electronics of the 1990s. The sensor is a rotating mechanical...