This circuit was found in the September 1984 issue of Radio Electronics magazine. The circuit is based on a 555 and a MOSFET consisting of a flasher that controls a buzzer.
Operating in the range of 1.5 to 15 kHz, this sinusoidal oscillator is based on a 741 operational. The...
The components of this circuit are still common today. The circuit is from a 1967 publication by...
We found this circuit on Motorola Linear Interface ICs from 193. Other circuits in the series can...