This circuit, which can be used as a shield, was found in General Electric documentation from the 1980s. The coupler uses a photo-SCR. The circuit admits equivalent components.
With the values of the components used in this circuit, the signal produced is 800 Hz rectangular with...
This circuit generates rectangular signals with 3-phase outputs. The circuit is from an Electronic...
Found in an RF Design from the 90's this circuit is intended for crystals of less than 1 MHz....