Whenever someone decides to learn electronics, the first question that comes to his mind may be – “Where shall I begin?“. I would say, one shall begin at a junction the “pn junction“.
We know semiconductor devices like transistors and diodes are the basic
building units of any equipment that involves electronics, say tablet
computers to the sophisticated MRI machines! How these basic units like
transistors and diodes are formed ? or how are they made ? The answer
lies in understanding “PN Junction”. A PN junction is the basic building block of many semiconductor devices like diodes and transistors.
Note:- I have written
an interesting article which tells the story behind invention &
discovery of PN Junction diode. If you like to read the story, follow
here:- Story behind Invention & Discovery of PN Junction