This basic CMOS 4001 circuit was found in the April 1976 issue of Radio Electronics magazine. The circuit generates rectangular signals, and the components can be changed to obtain other frequencies.
The integrated circuit used in this circuit is not common today, because it is a configuration obtained in...
This Siliconix circuit was found in a 1980s documentation. The coil consists of 18 turns of 22...
In the figure we show how to implement an audio oscillator with the 741 integrated circuit by...