Bipolar transistors are types of general use like BC548, while the power MOSFET can be of any type depending on the current and voltage in the load. The circuit is from old documentation.
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This circuit was obtained in a documentation of the 80s, using operational of the time. The...
In the figure we have a third fast adder that we found in an 80's Electronic Engineering. The circuit can...
We found this simple music box circuit that can also be used in a musical bell in a 1991...