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.
This circuit uses a NAND port to convert rectangular signals from 50 kHz to 1 MHz into triangular...
This circuit activates a relay producing pulses at regular intervals adjusted by the...
This oscillator is indicated for the adjustment of FI of FM radios, having its frequency...