This circuit was found in American documentation from the 90's. The circuit applies to any operational. The power supply can be between 5 and 15 V depending on the operational.
We found this circuit in a 2002 documentation. The frequency of each note is determined by the...
This oscillator can produce 2 to 10 MHz signals depending on the coils used. The transistors can...
The integrated circuit used is not common today, as it is a configuration of Motorola Linear...