This sound effect circuit is from a Radio Electronics magazine from December 1969. The transistors support equivalents and the power is provided by a battery to reduce the possibility of noise.
This simple, unregulated power source with full-wave rectifying is for small appliances that do...
This circuit shows how to use the 4060's various outputs for frequency division and achieving a...
This circuit generates good quality sinusoidal signals up to a frequency of a few tens of...