Semiconductors Flashcards

1
Q

Diode

A

Components that allows current to only flow in one direction; commonly used in power supplies to convert AC to DC; diode itself is a tiny ‘chip’ of silicon, also called a ‘die’

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2
Q

Rectifier Bridge

A

Four silicon diodes connected into a bridge arrangement that converts AC to DC

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3
Q

Transistor

A

A semiconductor device that allows one electrical signal to control another; commonly used to amplify signals or as logical switches

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4
Q

Active Components

A

The semiconductor devices that consist of semiconductor materials; they supply electric power or power gain in a circuit

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5
Q

Integrated Circuit (IC)

A

A circuit made with many subcomponents fabricated together on a single piece of silicon

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6
Q

Voltage Regulator

A

Takes voltage within some range as an input and provides a fixed, stable output at a lower voltage

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7
Q

Dual In-Line Package (DIP) ICs

A

Classic package for ICs with a larger number of connecting leads

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8
Q

Microcontroller

A

A simple, slow computer on a chip; the electronic brain inside many devices

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9
Q

Small Outline Integrated Circuit (SOIC)

A

Smaller, more space-efficient mount package than DIPs

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10
Q

Thin Quad Flat Pack (TQFP)

A

Style of surface-mount chip with leads on all four sides; quite thin

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11
Q

Ball Grid Array (BGA)

A

Saves space by having connectors under package, rather than sides

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12
Q

Redistribution Layer (RDL)

A

Thin two-layer printed circuit board that’s embedded into a chip’s package

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13
Q

System on a Chip (SoC)

A

High-end microprocessor

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14
Q

Microvias

A

Laser-drilled passages

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15
Q

LED

A

Light-Emitting Diode; die isn’t silicon, but a tailored semiconductor that emits the desired colour of light when active

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16
Q

Bicolour LED

A

Two Leads and two different LED dies, connected in parallel with bond wires, to produce different colours of light based on direction of current flow

17
Q

Photodiode

A

Sensitive light detector that measures the amount of laser output

18
Q

Optocoupler

A

Converts an electrical signal to light then back again; transfers electrical signals between two isolated circuits using light

19
Q

Phototransistor

A

Light sensor that converts the LED’s light back to an electrical signal

20
Q

Optical Tilt Sensor

A

Used in early-gen digital cameras to determine camera orientation when taking a picture

21
Q

Optical Encoder

A

Measures the device’s change in position as you move it around (ex. computer mice)

22
Q

Ambient Light Sensor

A

Sits between the camera and LED flash on a smartphone; measures the amount of light, so the phone can sense and compensate for the colour temperature of a photographic scene; also allows the phone to adjust the screen’s display colour and brightness depending on its surroundings

23
Q

Image Sensor

A

Converts a two-dimensional image into an electrical signal