Found in a 1968 EEE, this switch controls a high-power load from an audio signal. The current is determined by the type of SCR.
We find this circuit in a documentation for engineers from 1971. The circuit generates rectangular and...
This 1/2 hertz high selectivity filter was found in the December 1990 issue of Radio Electronics...
Connected to the low current input of a standard multimeter, this circuit enables the reading of...