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.
This oscillator for sinusoidal signals uses a lamp as a stabilizing element. We found it in the...
Found in Ferranrti's 1974 transistor manual, this circuit uses general-purpose transistors from...
This circuit is from an old American documentation and its use in motorcycles with 12 V is...