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CPE112 > Basics of Electronic Components and Devices > Flashcards

Basics of Electronic Components and Devices Flashcards

1
Q

Electronic Component:

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

A

Identifiable part; electronic system
Resistors, capacitors, and inductors

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2
Q

Electronic Device:

Performs a more _ _ than a plain component does

A

Complex function

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3
Q

Component:

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

A

One component value

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4
Q

Device:

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

Example is _ a three terminal device

A

Several parameters; predict their behavior
Transistors

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5
Q

To model a circuit means..

A

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

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6
Q

Proprietary (payment needed) circuit simulation software packages:

A

PSpice
NI Multisim

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7
Q

What are the passive components? There are 6

A

Resistors
Capacitors
Inductors
Transformers
Connectors
Antennas

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8
Q

Resistor:

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

A

Output voltage
Resistive
Iron bent; zigzag shape

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9
Q

Two types of Capacitors

A

Nonelectrolytic and Electrolytic

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10
Q

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 _ _

A

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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11
Q

Electrolytic Capacitors:

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

A

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

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12
Q

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

A

Store energy
Turns; wire
Bulky, heavy, expensive
Best

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13
Q

Core of inductors are h_ or so-called - _

A

Hollow; air-core coil

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14
Q

Transformers:

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

A

Inductors; more than one winding
Power supplies

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15
Q

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

A

Autotransformer

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16
Q

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

A

Tap

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17
Q

Connectors:

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

A

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

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18
Q

Common types of connectors

A

Pin header
9-pin D-sub
Phono
BNC
USB

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19
Q

IDC
(But on the ppt, it’s IDP)

A

Insulation Displacement Connectors

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20
Q

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

A

IDC

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21
Q

USB

A

Universal Serial Bus

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22
Q

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 _

A

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

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23
Q

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

A

Unbalanced Antenna

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24
Q

Presents equal impedance from its terminals to a third ground terminal

A

Balanced antenna

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25
Q

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

A

Balun

26
Q

Active Devices:

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

A

Two-terminal
Current; one

27
Q

Active Devices:

Process low-to medium- power signals

A

Signal diodes

28
Q

Active Devices:

Used in power supplies or medium to high power applications

A

Rectifier Diodes

29
Q

Active Devices:

Designed to emit light

A

Light-Emitting Diodes

30
Q

Active Devices:

Subcategory of LEDs
Solid-state laser that behave _ like _

A

Laser Diodes
Electronically; diodes

31
Q

Active Devices:

Designed to detect rather than emit light

A

Photodiode

32
Q

Active Devices:

Used for voltage regulation and references

A

Zener Diodes

33
Q

Signal Diodes:

Used for such applications as _ and _ signals

A

Detecting and limiting

34
Q

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
A

Positive
Positive
Series; resistance/resistor

35
Q

Reversed-Bias Voltage:

The cathode (bar) is more _ than the anode.
Its simplified equivalent circuit is simply a _ Cj.

A

Positive
Capacitance

36
Q

Silicon Diodes

VFB =

A

0.6-0.7V

37
Q

Germanium Diodes

VFB =

A

0.3V

38
Q

Silicon Carbide

VFB =

A

0.9V

39
Q

Gallium Arsenide

VFB =

A

1.6 - 2.0V

40
Q

Special type of diode
Have a very short turnoff time

A

Schottky diode

41
Q

Rectifier Diode:

Handle _ _ and _ _
Often called upon to conduct _ amounts of _ _ IF

A

Higher current and voltage levels
Large; forward current

42
Q

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

A

Large current
External circuit

43
Q

LED

A

Light-Emitting Diodes (LEDs)

44
Q

LED:

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

A

1960
Incandescent lamp
Forward bias
Directly proportional

45
Q

Photodiodes:

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

A

Detect light
800 and 1600nm
Reverse-bias
Proportional

46
Q

Zener diodes:

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

A

Breakdown
Voltage reference
Reverse; positive

47
Q

FET

A

Field Effect Transistor

48
Q

FET is developed as early as

A

1920s

49
Q

FET terminals
Hint: D, G, S

The complete name for this particular FET is an ____

A

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

50
Q

Transistor:

Coined by _ Laboratories researcher _ _ _

A

Bell
John R. Pierce

51
Q

Pierce’s Bell Labs Colleagues

A

William Shockley
Walter Brattain
John Bardeen
1948

52
Q

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

A

Vacuum Tube

53
Q

Earliest commercial transistor

A

Point-Contact Transistors

54
Q

Point-Contact Transistors:

The connections to them were made via two wire points, the _ and _ electrodes

A

Emitter and collector

55
Q

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

A

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

56
Q

BJT

A

Bipolar Junction Transistors

57
Q

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

A

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

58
Q

MOS

A

Metal Oxide Semiconductor

59
Q

MOS:

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

A

Enhancement-mode
Not conduct current
Gate
Source

60
Q

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

A

Threshold Voltage (VT)

61
Q

Unit: S

A

Siemens

62
Q

CMOS

A

Complementary Metal Oxide Semiconductor

CPE112 (4 decks)

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