This circuit supplies 115 VAC (not perfectly sinusoidal) from a car battery. The circuit is from a Radio Electronics from December 1968.
27 MHz Transmitter (CB14008E) This circuit was found in a Japanese publication from the 1970s. The...
This circuit reproduces in a small loudspeaker the sound of the signal that modulates a...
The integrated circuit used in this multivibrator is no longer common today. With the components...