This circuit was found in a Radio Electronics from the 90's. It provides lower frequency signals from a 10 MHz pattern generator.
The circuit shown in the figure is indicated for alternative sources of energy, such as those...
Using the well-known 2N2646 that was popular at the time, this circuit was found in Radio...
This circuit monitors the current in the loads. The NPN and PNP transistors admit the BC547 and...