Basics of Electronic Components and Devices Flashcards by Angelica Claros

Electronic Component:

Any _ _ that goes into an _ _
Examples of components are r,c,and i

Identifiable part; electronic system
Resistors, capacitors, and inductors

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Electronic Device:

Performs a more _ _ than a plain component does

Complex function

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Component:

Usually specified by only _ _ _
For example, the resistance for resistor

One component value

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Device:

Often must be characterized by _ _ in order to p_ their _ adequately in an equivalent-circuit model

Example is _ a three terminal device

Several parameters; predict their behavior
Transistors

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To model a circuit means..

To create a mathematical structure that models or imitates the way the actual circuit will perform when built

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Proprietary (payment needed) circuit simulation software packages:

PSpice
NI Multisim

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What are the passive components? There are 6

Resistors
Capacitors
Inductors
Transformers
Connectors
Antennas

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Resistor:

Regulate the _ _.
A _ element
Took the form of long piece of sheet _ _ into a _ shape

Output voltage
Resistive
Iron bent; zigzag shape

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Two types of Capacitors

Nonelectrolytic and Electrolytic

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Nonelectrolytic Capacitors:

Consists of _ _ _ or coatings separated by a _ (insulator)
It has n_ p_ or n_ p_ and can be _ (terminals _)
Capacitors have values _ than _uF

Capacitance Values:
Directly proportional to the _ _ of the _
Inversely proportional to the _ _

Two conductive plates; dielectric
No polarity; not polarized; reversed; exchanged
Less than 1uF
Surface area of the dielectric
Dielectric’s thickness

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Electrolytic Capacitors:

Made by separating _ _ _ of aluminum or tantalum
Can show extremely _ _ _ ranging from _uF up to _
It has _

Two conductive sheets
Large capacitance values; 1uF to mF
(With) Polarity

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Inductors:

_ _ in a magnetic field
Consist of many _ (loops) of insulated _ wound around a central core
Components tend to be b_, h_, and e_
_ choice for application

Store energy
Turns; wire
Bulky, heavy, expensive
Best

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Core of inductors are h_ or so-called - _

Hollow; air-core coil

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Transformers:

Simply _ with _ than _ _
Frequently used in _ _

Inductors; more than one winding
Power supplies

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Special type of transformer
Uses a single winding with one or more taps

Autotransformer

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Point where the wire in one winding is brought out of the coil to a terminal and then returns into the winding to continue where it left off

Tap

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Connectors:

Used in nearly all _ _
Allow _ _ of the _ into a _ _
Its design and function are _ to the operation of the _

Electronic systems
Convenient assembly of the subsystems into a finished unit
Essential; system

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Common types of connectors

Pin header
9-pin D-sub
Phono
BNC
USB

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IDC
(But on the ppt, it’s IDP)

Insulation Displacement Connectors

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Sharp-edged receptacles that connect to all the conductors of the ribbon cable in one operation

IDC

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USB

Universal Serial Bus

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Antennas:

Provides an _ between an _ _ consisting of _ that are specially designed to carry - signals (_ _)

Have physical _ that are _ to the _ of the e_
wave that is transmitted

Have two variaties: _ and _

Interface; electrical circuit; conductors; high-frequency. (Transmission lines)
Dimensions; comparable; wavelength; electromagnetic
Balanced and Unbalanced

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Displays a single impedance between its sole input terminal and its ground terminal

Unbalanced Antenna

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Presents equal impedance from its terminals to a third ground terminal

Balanced antenna

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A device for converting a balanced antenna to unbalanced (or vice versa)

Balun

Active Devices: Diodes denote any _-_ device. A device that passes _ more easily in _direction than the other

Two-terminal Current; one

Active Devices: Process low-to medium- power signals

Signal diodes

Active Devices: Used in power supplies or medium to high power applications

Rectifier Diodes

Active Devices: Designed to emit light

Light-Emitting Diodes

Active Devices: Subcategory of LEDs Solid-state laser that behave _ like _

Laser Diodes Electronically; diodes

Active Devices: Designed to detect rather than emit light

Photodiode

Active Devices: Used for voltage regulation and references

Zener Diodes

Signal Diodes: Used for such applications as _ and _ signals

Detecting and limiting

Forward-bias Voltage: - Anode (arrow) is made more _ than the cathode (bar) - Inshort, anode is more _ than its cathode - Simplied equivalent circuit consist of voltage source Vfb in _ with a _ Rs

Positive Positive Series; resistance/resistor

Reversed-Bias Voltage: The cathode (bar) is more _ than the anode. Its simplified equivalent circuit is simply a _ Cj.

Positive Capacitance

Silicon Diodes VFB =

0.6-0.7V

Germanium Diodes VFB =

0.3V

Silicon Carbide VFB =

0.9V

Gallium Arsenide VFB =

1.6 - 2.0V

Special type of diode Have a very short turnoff time

Schottky diode

Rectifier Diode: Handle _ _ and _ _ Often called upon to conduct _ amounts of _ _ IF

Higher current and voltage levels Large; forward current

Reversed breakdown voltage (VR) The reverse-bias voltage that may cause the device to conduct a very _ _ that, if not limited by the _ _ will overheat and destroy it

Large current External circuit

LED

Light-Emitting Diodes (LEDs)

LED: When did the LEDs became commercially available? Much more efficient than _ _ Used solely in the _ _ mode Light output is _ _ to the applied current

1960 Incandescent lamp Forward bias Directly proportional

Photodiodes: _ _ of a certain wavelength range Range that photodiodes operate well? Operate in _ _ voltage Current is __ to light intensity

Detect light 800 and 1600nm Reverse-bias Proportional

Zener diodes: Undergo (nondestructive) _ at a specific voltage Used primarily as _ _ in circuits Used in _ bias, with cathode more _ than the anode

Breakdown Voltage reference Reverse; positive

FET

Field Effect Transistor

FET is developed as early as

1920s

FET terminals Hint: D, G, S The complete name for this particular FET is an ____

Drain, Gate, Source N-channel enhancement-mode MOSFET

Transistor: Coined by _ Laboratories researcher _ _ _

Bell John R. Pierce

Pierce's Bell Labs Colleagues

William Shockley Walter Brattain John Bardeen 1948

Useful electronic amplifying device Most miniaturized just to warm enough to be operational

Vacuum Tube

Earliest commercial transistor

Point-Contact Transistors

Point-Contact Transistors: The connections to them were made via two wire points, the _ and _ electrodes

Emitter and collector

There's a large variety of transistor types, what are the two broad categories?

Field-Effect Transistors (FET) Bipolar Junction Transistors (BJT)

BJT

Bipolar Junction Transistors

Transistor: _ terminal device Allow physical _ of _ and _ circuits One terminal is for _ signal, one for _ signal and the last one is to be shared as a _ or _ terminal

Three Separation; input and output Input, output, common or ground

MOS

Metal Oxide Semiconductor

MOS: An __ device does _ _ _ through its channel until a suitable _ voltage is applied with respect to the _ terminal

Enhancement-mode Not conduct current Gate Source

The particular value of VGS that just initiates current flow throught the channel

Threshold Voltage (VT)

Unit: S

Siemens

CMOS

Complementary Metal Oxide Semiconductor