We found this circuit in an old documentation. The circuit can supply loads up to 10W with the original components. The circuit can be designed based on modern components.
This audio-driven relay was published in the July 1977 issue of Radio Electronics magazine. The...
This circuit can be used for signaling a panel with a common incandescent lamp. The lamp will...
This crystal oscillator is indicated for the calibration of IF steps of common radio receivers. The...