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.
In the circuit of the figure we have the production of rectangular signals of frequencies up to...
The circuit shown in the figure is suggested by Intersil (www.intersil.com) and makes use of the...
This circuit was found in old documentation, the transistor being the modern equivalent of BC548...