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A transistor is a semiconductor device that can amplify signals and switch power. The types that are used most are BJT (Bipolar Junction Transistor), UJT (Unijunction Transistor), and MOSFET (FET, for Field Effect Transistor).
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High-side switching of 12V LEDs with 5V logic
The picture seems correct, but your wording is wrong. In the picture, you have the collector connected to the gate, emitter collected to ground, and base connected to the Arduino, which is the correct …
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answer
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Why do LDMOS RF power transistors have a low real resistance?
LDMOS transistors seem to have their gates completely isolated from anything that could provide a low-resistance path to ground. …