This simple neon alternating flashing circuit was found in an old American publication. The current is very low, but the supply must be made with at least 100 V.
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...