* Tip: You can help the tweezers to hold the small piece of cable. The next thing is to heat the soldering iron to tin one end of our pieces of wire. * Note: make sure that the piece of cable used is of a dark color (gray, black, navy blue or brown). We will also peel 5mm from the end that has not been peeled. At one end of our cable we will peel 5mm of the same and we will cut it to 3cm. * Tip: To make it easier for you to glue the strip to the plastic triangle, lean on a thin or flat tip brush.īy using a UTP cable, we will make the two protruding contacts of our triangle. Once the gold strip and the plastic triangle have dried we will proceed to join them.Īs seen in the image, the strip divided into two parts is attached (with liquid glue) to the equal sides of our isosceles triangle, making sure that at the tip there is a very small gap between the two parts of our strip, and in the Extremes by cutting the excess of it. If it is possible to get a gold leaf, it will save you the trouble of painting it. * Note: it is not necessary to paint the whole strip, only about 3 to 4 cm (30-40 mm). As you have to imagine, we will paint it with gold paint. On the sheet of paper, we are going to make a strip in the width of 5 mm, with which we will simulate a small sheet of gold, used in the connections of the transistor. Then we will explain its operation and its use today.
Its inventors won the Nobel Prize in Physics in 1956 for "their research on semiconductors, and the discovery of the transistor effect." Now we continue with the instructions to build our didactic model. The above image shows the first transistor created at Bell Labs in Murray Hill, New Jersey, United States in 1947. It all started at Bell Labs, where American physicists Jhon Bardeen, Walter Houser Brattain, and William Shockley conducted experiments and observations to try to create a solid-state amplifier, making use of the properties of semiconductor materials, thus replacing the Vacuum used at that time. In this project the models such as constructing a didactic model of the first transistor for which I made use of the materials that can be easily obtained, in addition to a little painting, the prototype / model I did on a scale a little larger than the original. Didactic model of the "first transistor".
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