This circuit is the power supply for the amplifier in the previous circuit. The transformer is 5 A with a voltage of 45 V, obtaining 70 V after rectification.
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...