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ECE Flashcards

Identify the given description

1
Q

What is electron flow?

A

Negative to positive and has five electron

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2
Q

Conventional flow

A

positive to negative and hole, moving in the same direction as the positive charge flow

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3
Q

P-type material

A

majority carriers is holes

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4
Q

N-type materials

A

majority carriers are electrons

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5
Q

types of semiconductor

A

Silicom, Gallium Arsenide (GaAs), Germanium

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6
Q

What is doping

A

introducing impurity to intrinsic

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7
Q

What is intrinsic

A

Pure materials

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8
Q

are doped with impurities to increase conductivity

A

Extrinsic

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9
Q

Atoms with valency 5; such as Arsenic (As), Phosphorous (Pi), Antimony (Sb), etc.

A

Pentavalent atoms

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10
Q

trivalent atoms

A

Atoms with valency of 3

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11
Q

P

A

anode

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12
Q

N

A

cathode

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13
Q

flow of charges decreases

A

depletion region

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14
Q

threshold voltage at which imitation of breakdown

A

breakdown voltage

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15
Q

conduction band

A

delocalize band of energy

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16
Q

least abandoned condition of the conduction band

A

bandgap or energy gap

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17
Q

always filled with electrons, formed by a series of energy

A

valence band

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18
Q

The peak inverse voltage rating of the diode

A

half-wave rectifier

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19
Q

types of full-wave rectifier

A

center tapped rectifier and bridge rectifier

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20
Q

allows unidirectional (oneway)

A

Full-wave rectifier

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21
Q

Eliminates fluctuations

A

filter

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22
Q

ripple

A

small amount of fluctuation

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23
Q

variation in capacitor voltage

A

ripple voltage

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24
Q

Ripple factor

A

can be lowered by increasing the value of the filter

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25
connected to the output of a filtered rectifier
voltage regulator
26
how much changes occurs in the output voltage for the given change
line regulation
27
how much changes occurs in the output voltage over a certain range
load regulation
28
are networks that employ diodes to clip away a portion of an input signal
clippers
29
network constructed of a diode
clamper
30
special type of semiconductor that convert light to electrical energy or vice versa
optoelectronics devices
31
LED
two lead semiconductor device has polarity
32
electroluminescence
the process by which electrons and electron holes recombine in a semiconductor, producing light
33
a regulator/ device that is designed for operation in the reverse breakdown region
Zener diode
34
applying high voltage and increasing the free electrons in semiconductors and insulating materials.
Avalanche breakdown
35
Electrons move across the barrier from the valence band of p type
Zener breakdown
36
Generate electromagnetic energy
Light Emitting diodes
37
transform electromagnetic energy
light detecting devices
38
Photoresistors
Light sensitive variable resistors
39
Photodiode
2 lead semiconductor that transform light to electric energy
40
A three lead semiconductor device that acts as: o an electrically controlled switch, or o a current amplifier. is analogous to a faucet.
Transistor
41
BJT (NPN AND PNP)
BIPOLAR JUNCTION TRANSISTOR (NPN AND PNP)
42
JFET (N-CHANNEL AND P-CHANNEL)
JUNCTION FIELD EFFECT TRANSISTOR (N-CHANNEL AND P-CHANNEL)
43
MOSFET Depletion type (n- and p-channel) and enhancement type (n- and p-channel)
METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR
44
has Voltage Gain but no Current Gain
Common Base Configuration
45
CURRENT CONTROL DEVICE
BJT
45
Common Collector Configuration
has Current Gain but no Voltage Gain
45
a type of transistor that uses an electric field to control the flow of current in a semiconductor
FIELD EFFECT TRANSISTOR
46
has both Current and Voltage Gain
Common Emitter Configuration
46
commonly known as MOSFET
Metal-insulator Field Effect Transistor (MISFET)
47
VOLTAGE CONTROLLED DEVICE
FET
48
(MESFET)
Metal-semiconductor Field Effect Transistor
49
What are the two types of BJT
npn pnp
49
IGFET
Insulated Gate Field Effect Transistor
50
What applications does the BJT serve?
SWITCHING, AMPLIFICATION
51
The three terminals of a bipolar junction transistor are called
COLLECTOR, BASE, EMITTER
52
In transistors, what does 𝛽 represent
CURRENT GAIN OR AMPLIFICATION FACTOR
53
A type of transistor that uses an electric field to control the flow of current in a semiconductor.
FIELD EFFECT TRANSISTOR
54
Give the types of FET
METAL OXIDE SEMICONDUCTOR FET METAL-SEMICONDUCTOR FET Metal-insulator Field Effect Transistor
55
The three terminals of a field effect transistor are called
SOURCE, GATE DRAIN
56

Second Sem (10 decks)

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