Using the 741 this circuit can be adjusted to values between 1 Hz and 100 kHz. The power supply must be symmetrical. We found it in the Radio Electronics magazine of November 1973.
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...