This circuit generates various types of sounds and can be used as a toy. The circuit is from Radio Electronics from January 1983. The amplifier can be replaced with a more modern type.
S The purpose of this circuit, found in a 1975 publication, is to suppress the noise that occurs when...
This circuit generates signals for the calibration of IFI (Intermediate Frequency) of traditional AM and...
This dual-operator thermometer circuit was found in the September 1982 issue of Radio Electronics...