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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In the figure we have the transmitter and the receiver for an optical audio link via infrared. The...
Mouser Electronics offers a vibration sensor which is considered the smallest in its class. This...
This power supply for those who want to feed and recover 5 ¼ floppy disks was found in the...