They are discrete components that are used in optical sensors, power devices, and light emitters. These devices have a lot of voltage and current handling abilities, current rating being over 5,000 amperes and 100,000 volts of voltage ratings. They can be integrated into complicated but easily available microelectronic circuits. Examples of semiconductor devices are resistors, op-amps, diodes, capacitors, and transistors. These devices are used widely in many applications because of their low cost, reliability, and compactness.
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What are the Types of Semiconductor Devices?
The Semiconductor Devices are summarized in our online help with assignment on Semiconductor Devices as follows:
Diode: A diode is a device that consists of a single p-n junction. A diode is formed when n-type and p-type semiconductor materials get interlinked. This is an effective device as the p-region has a good concentration of holes. N-region has a top-quality of electrons. This way electrons diffuse from an n-region to a p-type region. This is the reason this process is used to produce light.
Transistors: Transistors are of two kinds such as field-effect transistor and bipolar junction transistor. A bipolar junction transistor can be achieved when two p-n junctions are formed in two configurations like p-n-p or n-p-n. Regarding this transistor, three regions are formed such as collector, emitter, and the middle or base region. A field-effect transistor performs on the conductivity principle and the conductivity can be changed if there is an electric field.
Applications of Semiconductor Devices
All kinds of transistors are used as building blocks, which helps design digital circuits. In digital circuits such as transistors, microprocessors act like a switch (on-off). The transistors do not work as switches but as anolog circuits. They respond to a constant range of input along with constant output. The common analogue circuits are amplifiers and oscillators. These circuits which translate or interface between digital circuits and analogue circuits are called mixed-signal circuits.