This circuit from a March 1971 Radio Electronics uses a transistor to stabilize the bias current of the output transistors. The circuit is médium power.
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...