This sophisticated metronome has accented tones for better use. The circuit is from Radio Electronics from December 1985. The amplifier stage is provided.
This circuit converts square (rectangular) signals into triangular signals with typical 16 V...
We found this circuit in a spy book from the 90s. Transistors admit equivalents and the coil can...
This circuit was obtained in a 1979 English magazine. This circuit is a treble filter that,...