This circuit generates a linear sawtooth signal. The circuit was found in the December 1992 issue of Radio Electronics magazine. The maximum frequency is around 200 kHz
This window comparator circuit was found in a Popular Electronics from the 90s. The circuit has a...
This small audio amplifier can be used with microphones and other audio sources. The circuit can...
Found in American documentation from the 1980s, this circuit operates in the frequency range 0.5...