Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

TurtlePower 22-23 > Signal Types > Flashcards

Signal Types Flashcards

1
Q

part of a analog carrier

A

Video, Audio and Color

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

NTSC

A

National Television System Committee

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

was established in 1940 by the United States Federal Communications Commission (FCC) to resolve the conflicts that arose between companies over the introduction of a nationwide analog television system in the United States.

A

NTSC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

525 television scan lines
Frame rate of 30 fields per second
Two interlaced fields per frame
262.5 lines per field
60 fields per second
Aspect ratio of 4:3
Transported using RF

A

NTSC Specifications

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what type of wave is this

A

SINE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

PAL

A

Phase Alternating Line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

includes 625 television scan lines, 567 of which contain picture information. Pal has a frame rate of 25 frames per second, consisting of two interlaced fields containing 312.5 lines per field. This results in the interlaced video at 50 fields per second

A

PAL Specifications

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

A 4:3 television frame is made up of how many lines total?

A

525

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

In what year did the FCC require all high-powered NTSC broadcasters to shut down their analog transmitters?

A

2009

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

made of seven bands of frequencies, divided into 6 MHz segments.

A

CATV television spectrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

IRC

A

Incrementally Related Carrier

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

HRC

A

Harmonically Related Carrier

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

refers to the RF signals that flow from the headend to the customer’s premises.

A

Downstream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

refers to the RF signals that flow from the customer’s premises to the headend

A

Upstream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

the ________ band is from 5 MHz to around 42 MHz

A

Upstream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

the __________ band starts around 54 MHz and 1GHz

A

downstream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Upstream: 5 - 42 MHz
Downstream: 54 MHz to 750 MHz/860 MHz/1 GHz

A

Sub-split

18
Q

Upstream: 5 - 85 MHz
Downstream: 108 MHz to 1 GHz/1.2 GHz

A

Mid-split

19
Q

Upstream: 5 - 204 MHz
Downstream: 258 MHz to 1 GHz/1.2 GHz/1.7 GHz

A

High-split

20
Q

The ___ required all full-powered television broadcasters to convert their broadcasts from analog to the new digital format between September 2008 and June 2009.

A

FCC

21
Q

Blocks a band of frequencies

A

TRAP

22
Q

Passes all the frequencies above a set frequency and blocks all frequencies below the set frequency.

A

High Pass Filter

23
Q

Passes all the frequencies below a set frequency and blocks all frequencies above the set frequency.

A

MOCA Filter

24
Q

uses the available RF bandwidth much more efficiently than analog modulation.

A

Digital modulation

25
Q

the smallest unit of digital information. A bit can take the value one or zero

A

Bit

26
Q

a group of bits (usually 8) sometimes referred to as a digital word

A

BYTE

27
Q

4 bits

A

Nibble

28
Q

8 bits

A

Octet

29
Q

a term related to digital communications speed

A

Baud

30
Q

allows customers to connect their computers to external data sources such as the internet.

A

High Speed Data

31
Q

is typically divided into chunks known as blocks, frames, or packets

A

DATA

32
Q

defined set of rules for moving digital data through a network.

A

Internet protocol or IP

33
Q

a working group that was formed to establish standards for audio and video compression and transmission.

A

MPEG Motion Picture Experts Group

34
Q

a standard that was established in 1995 that includes standards that are used for broadcast television.

A

MEG-2

35
Q

used to convert each raw video and audio ES into a packetized ES, or PES, that may be transported over a cable IP and DOCSIS network.

A

packetizer

36
Q

the next generation of MPEG, allowing operators to further compress today‘s HD video signals and ultra HD or UHD signals.

A

The High-Efficiency Video Codec or HEVC

37
Q

four steps in converting an analog signal to a digital signal

A

Sampling, Quantitizing, Encoding and Decoding

38
Q

a technique by which the total bandwidth available in a communication medium is divided into a series of non-overlapping frequency sub-bands, each of which is used to carry a separate signal.

A

frequency-division multiplexing (FDM)

39
Q

method of transmitting and receiving independent signals over a common signal path by means of synchronized switches at each end of the transmission line so that each signal appears on the line only a fraction of time in an alternating pattern.

A

Time-division multiplexing (TDM)

40
Q

the multiplexing technique used in the downstream path to deliver video signals, high-speed data, and voice.

A

Frequency division multiplexing (FDM)

41
Q

a form of TDM in which multiple users have access to a single communication medium.

A

Time-division multiple access (TDMA)

TurtlePower 22-23 (41 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions