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ECE145P-3 > AM Broadcasting Standards > Flashcards

AM Broadcasting Standards Flashcards

1
Q

Occupied Spectrum both PH and FCC standard

A

PH: 535-1605 kHz
FCC: 540-1700 kHz

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2
Q

Allocated BW both PH and FCC standard

A

PH: 1070 kHz
FCC: 1160 kHz

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3
Q

BW per station both PH and FCC standard

A

PH: 9 kHz
FCC: 10 kHz

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4
Q

of stations both PH and FCC standard

A

PH: 118 stations
FCC: 116 stations

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5
Q

Service Areas in AM (3):

A
  • primary service area
  • secondary service area
  • intermittent service area
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6
Q

The area in which the groundwavefield of 1 mV/m (60 dBu) is not subject to objectionable interference or objectionable fading

A

Primary Service Area

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7
Q
  • The area served by the skywave and not subject to objectionable interference
  • The signal is subject to intermittent in intensity
A

Secondary Service Area

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8
Q

The area receiving service from the groundwavebut beyond the primary service and subject to some interference and fading

A

Intermittent Service Area

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9
Q

AM Broadcast Ratio (4):

A
  • Audio-Frequency Signal-to-Interference Ratio
  • Radio-Frequency Wanted-to-Interference Signal Ratio
  • Audio-Frequency Protection Ratio
  • Radio-Frequency Protection Ratio
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10
Q

The ratio (in dB) between values of the voltage of the wanted signal and the voltage of the interference, measured under specified conditions, at the audio-frequency output of the receiver.

A

Audio-Frequency Signal-to-Interference Ratio

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11
Q

The ratio (in dB) between the values of the radio-frequency voltage of the wanted signal and the interfering signal, measured at the input of the receiver under specified conditions.

A

Radio-Frequency Wanted-to-Interference Signal Ratio

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12
Q

The agreed minimum value of the audio frequency signal-to-interference ratio considered necessary to achieve a subjectively defined reception quality.

A

Audio-Frequency Protection Ratio

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13
Q

The value of the radio frequency wanted-to-interference signal ratio that enables, under specified conditions, the audio-frequency protection ratio to be obtained at the output of the receiver.

A

Radio-Frequency Protection Ratio

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14
Q

The carrier frequency authorized at any particular time

A

Operating Frequency

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15
Q

The carrier frequency authorized by the Authority

A

Authorized Frequency

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16
Q

The transmitter output power

A

Operating Power

17
Q

The maximum power at which the transmitter can be operated satisfactorily and is determined by the design of the transmitter

A

Maximum Rated Carrier Power

18
Q

The power authorized by the Authority

A

Authorized Operating Power

19
Q

The Last audio amplifier stage of the modulating wave which modulates a radio-frequency stage

A

Modulator Stage

20
Q

The radio frequency stage to which the modulator is coupled and in which the continuous carrier wave is modulated in accordance with the system of modulation and the characteristics of the modulating wave

A

Modulated Stage

21
Q

The emission on any frequency outside of the assigned channel or authorized band of frequencies and tolerances allowed by these regulations

A

Spurious Emission

22
Q

Emission outside of the assigned channel, as a result of the modulating process, is not considered spurious, unless it is due to overmodulation

A

Spurious Emission

23
Q

Flagship AM radio station of Radio GMA Network Inc. in the PH

A

Super Radyo DZBB 594 kHz

24
Q

It is one of the top stations in the AM band in Metro Manila and is recognized as one of the most awarded radio stations in the PH by KBP

A

Super Radyo DZBB 594 kHz

25
Q

must be transmitted at the start and at the end of each transmission and as frequently as practicable during the course of transmission, including those made for tests, adjustments and experiments

A

Call Signs

26
Q

RA No. 3846

A

An act providing for the regulations of public and radio communications in the Philippines and other purposes

27
Q

E.O. no. 196

A

Vesting the jurisdiction, control and regulation over Philippine Communications Satellite Corporation with the National Telecommunications Commissions

28
Q

E.O. no. 546

A

Creating a ministry of public works and a ministry of transportation and communications

29
Q

P.D. no. 576

A

Abolishing the media advisory council and the bureau of standards for mass media and authorizing the organizational of regulatory councils for print media and broadcast media

30
Q

P.D. no. 576-A

A

Regulating the ownership and operation of radio and television stations and for other purposes

31
Q

NTC MEMORANDUM CIRCULAR No. 7-13-90

A

Rules and regulations governing the interconnection of Local Telephone Exchanges and Public Calling Offices with the nationwide telecommunication network/s sharing of revenue derived therefrom and for other purposes

32
Q

NTC MEMORANDUM CIRCULAR No. 2-4-90

A

Guidelines on radio-frequency assignment

33
Q

NTC OFFICE ORDER 19-8-91

A

Decentralization of domestic maritime licensing functions of the safety and special radio services division

34
Q

NTC MEMORANDUM CIRCULAR No. 10-8-91

A

Criteria for the grant of commercial radio station licenses

35
Q

NTC MEMORANDUM CIRCULAR No. 2-05-88

A

Rules and regulations governing the manufacture, acquisition, sale and service of radio communication equipment

ECE145P-3 (4 decks)

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