This circuit produces the sound of percussion such as blocks, drum, bell, etc. The frequency depends on the marked capacitors, which can have a wide range of values depending on the desired sound.
This circuit generates a train of pulses that depends on the time that is pressed PB and the value of...
This circuit was found in a Signetics documentation from the 1980s. Next to the figure are the...
This is the name given to the 1969 Electronics World voltage inverter. It is a series converter...