STAT EX 1 ESAT

1. An active device that increases the strength of a signal by a predetermined amount.

2. The part of the television channel that carries the audio information.

3. A high-capacity transmission technique using a wide range of frequencies, which enables a large number of messages to be communicated simultaneously. The medium can be coaxial cable, optical fiber, radio or twisted pair.

4. It is a facility engaged in the transmission or delivery of video, audio, data and other value added services through fiber optics, coaxial table cable, copper cable, and other technological means.

5. It is a category of twisted pair copper cable that can handle 10 Mbps and 100 Mbps speeds (Fast Ethernet) at up to 100 MHz bandwidth.

6. High frequency band used in satellite applications for the transmission of video and audio signals. Downlink frequency is ranging from 3.4 GHz to 4.2 GHz for cable TV satellite signal reception.

7. A form of distortion generated by amplifiers and other devices handling multiple RF signals, It is a second-order distortion that combines signals at frequencies A and B, as A+B. Most A+B products fall 1.25 MHz above picture carriers. While the A-B products fall 1.25 MHz below picture carriers in the standard channel allocation.

8. A pipe or tube used to protect coaxial cable, fiber optic cable, and copper wire.

9. Decibels with respect to one milliwatt.

10. Representation of video signals in digital format. It does not necessarily imply a compressed video signal.

11. Digital Video Broadcast for Cable Television System.

12. It is a coaxial RF compression type connector with 75 ohms impedance specification.

13. A distribution architecture in which directly fiber-fed termination units are shared by several dwellings.

14. It is an audio/video interface transferring uncompressed video data and compressed or uncompressed audio data from same-compliant source device to a compatible digital television, video projector, computer monitor or digital audio device.

15. Unwanted signals that enters into a coaxial system through a defective or loose component.

16. A limited distance network connecting a defined set of terminals. Example include a network of workstations within an office, office in a building, or buildings within a campus.

17. These are commercial buildings, office buildings, hotels, motels, malls, hospitals, schools, airport building, seaport building, resorts, apartments, townhouses, duplexes, triplexes, fourplexes, or linked houses, as well as all row houses and most especially tower blocks which can hold hundreds of families in a single building.

18. The process of imposing information on an RF carrier by varying some parameter of the carrier. The parameters that can be varied are the amplitude, frequency, and phase.

19. It is a measure of the ability of cabling to reject crosstalk.

20. Generally defined as undesired signals in a transmission channel. It is also commonly applied to broadband thermal noise excluding discrete carriers and distortion products.

21. It is a device which serves as the service provider endpoint of a passive optical network (PON).

22. Optical Network Terminal. It is a device that transforms incoming optical signals into electrical signals and vice versa at a customer's premise.

23. As prescribed by Republic Act 9292, an engineer who is the sole authority to sign and seal electronics plans, drawings, permit applications, specifications, reports, and other technical documents.

24. A digital modulation method in which the value of a symbol consisting of multiple bits is represented by amplitude and phase states of a carrier.

25. Anti-Cable Television and Cable Internet Tapping Act of 2013.

26. An architecture in which terminal points are connected in a continuous loop.

27. SDTV means:

28. Optical fibers that support only a single transmission path.

29. It is a complete set of cabling and associated hardware which provides a comprehensive broadband infrastructure. This begins at the point where the service provider terminates.

30. A device that needs power to process signals. Examples include amplifiers, optical transmitters and optical receivers.

31. The system of television transmission that has been practiced since the medium was invented. Picture levels are represented by continuously varying voltage level.

32. A video interface for headend equipment that uses 75 ohms coaxial cable.

33. A signal not modulated onto an RF carrier. In video, refers to the visual signal as it is handled before being modulated onto an RF carrier.

34. A signal on which another, lower frequency signal is modulated in order to transport the lower-frequency signal to another location.

35. It is a category of twisted pair cable that can handle 10 Gigabit Ethernet at 250 MHz bandwidth.

36. A form of distortion generated by amplifiers other devices handling multiple RF signals. It is a third-order distortion product that combines signals A, B and C as A+B-C. Most CTB products fall on the nominal frequency of carriers in the standard channel allocation.

37. It is a method of combining multiple signals on laser beams at various wavelengths for transmission along fiber optic cables, such that the number of channels is fewer than in Dense Wavelength Division Multiplexing (DWDM). See DWDM.

38. Television signals transmitted using digital techniques, in which video levels are converted to digital states that approximate the analog level of the original signal. It also implies compressing the signal to minimize the transmission bandwidth required.

39. The portion of the distribution plant between the tap and the individual subscriber's home and it could be coaxial, copper wire, or fiber cable.

40. This refers to the farthest point from the headend.

41. Interference between two pairs of a cable measured at the other end of the cable with respect to the interfering transmitter.

42. A fiber network for delivering cable TV signals from the Headend to individual buildings such as residences, apartment buildings and business establishments. It is often called FTTP or Fiber to the premises.

43. It is a coaxial connector used to connect, splice, and terminate hardline cables to amplifiers, power supplies, and/or line passive devices of a cable TV system. This has 75 ohms impedance specification.

44. A network for transmitting signals modulated onto RF carriers that includes a linearly amplitude modulated optical link followed by a coaxial distribution network.

45. An architecture in which terminal points are connected to several other terminal points directly rather just to a central point or the adjacent terminals.

46. The equipment that receives the linearly modulated FDM spectrum, converts it back to RF form, and couples it into one or more coaxial distribution legs.

47. It is a part of cable TV system that provides for the distribution of television signals from the headend to the paying subscribers as well as value added services for two way system. It consists of a network of fiber and or coaxial cables, optical transmitters, optical receivers, multiplexers, de-multiplexers, optical line terminals, amplifiers, splitters, couplers, power supplies, and other related equipment.

48. An access point that serves as a demarcation and test point on the outside of a customer's premises. It is a non-metallic wall mounted fiber box that offers splicing, patching and storage for drop cables.

49. A digital modulation method in which the state of a two-bit symbol is represented by one or four possible phase states.

50. A measure of the amount of incident power that is reflected toward the opposite end of a cable from a termination or other discontinuity in the characteristic impedance of the cable

51. This is used in horizontal distribution system especially where standards compliance for electromagnetic emission from the cable into the atmosphere is strictly monitored.

52. A device used with a subscriber's TV to allow reception of television programs. It may tune channels the TV does not tune and may include descrambling circuitry. It also may include a digital decoder and auxiliary functions such as an electronic program guide (EPG).

53. A tuneable power meter commonly used to measure RF signal levels in cable TV network.

54. An architecture in which each terminal is directly connected through separate transmission paths to a common master terminal.

55. It is the convergence point between the building's network backbone and the work areas.

56. A measure of the proportion of the bits in a data stream, which are corrupted in transmission.

57. It is a miniature quick connect/disconnect RF connector used for coaxial cable. These connectors are made to match the characteristic impedance of coaxial cable at 75 ohms.

58. It is a form of broadband internet access that uses the cable television infrastructure (HFC, RFoG). Typically, it can deliver downstream data rates as high as 320 Mbps and upstream data rates up to 120 Mbps.

59. It is a costumer premise equipment that is used to deliver broadband internet access in the form of cable internet taking the advantage of the high bandwidth of cable TV infrastructure, HFC and RFoG network.

60. The operating frequency range of cable TV system. It ranges from 5 MHz up to 1002 MHz or higher.

61. A ratio of the received carrier power to the noise power in a given bandwidth, usually expressed in dB.

62. It is a category of twisted pair copper cable that can handle 1000 Mbps (Gigabit Ethernet) at 100 MHz bandwidth.

63. It is a type of broadband cable that has an inner conductor surrounded by a tubular outer conductor. It has 75 ohms characteristic impedance and has a capacity of 5 to 1002 MHz frequency range.

64. Electronics Code of Cable Television System of the Philippines. It provides minimum technical guidelines, procedures and specifications of Cable TV installation and operation in the Philippines.

65. A subcommittee of Electronics Code of the Philippines that formulate the code of Cable TV system in the Philippines.

66. A generic term used to indicate that access to program or channel is limited to subscribers who have paid additional amount for it.

67. A type of distortion in which the amplitude modulation of one signal causes incidental amplitude modulation to another signal. This is an odd-order distortion.

68. A measure of the relative strength of two signals. Defined as 10 times the logarithm (to the base 10) of the ratio of the two power levels in any consistent units, such as watts, or 20 times the logarithm of the ratio of the voltage or current levels.

69. Decibels with respect to 1 millivolt in a 75-ohm system.

70. The formal name of the cable modem standard produced by a consortium led by Cable Labs.

71. Signal flow from a headend towards subscribers. Also known as the forward direction.

72. The technique of using fibers to carry many signals at slightly different wavelengths.

73. An FEXT measurement with attenuation compensation.

74. The technique of adding extra bits to a transmitted signal, with the extra bits being used to detect and correct errors in the data transmission.

75. It is an enclosure where the optical splitters coupled with adapters are housed. It is usually called the local convergence point (LCP) that provides optical connectivity between the feeder cable and distribution cable.

76. The gain as a function of frequency through a system or device relative to the defined ideal. In the case of a cable distribution system, this also known as peak-to-valley response or P/V.

77. A distribution architecture in which fiber nodes feed coaxial feeder lines without any intervening coaxial trunk lines.

78. A passive device located at the subscribers premises that allows a safety ground to be connected to the drop.

79. A term applied to the solid-jacketed coaxial cable used in the coaxial distribution portion of a cable system ahead of the subscriber tap.

80. A term used to define a cable system's signal processing center generally the main core of a Cable TV system. It usually includes antennas (off-air and satellite), satellite receivers, processors, demodulators, modulators, system converters, decoders, encoders. Optical transmitters, optical receivers, de-multiplexers, multiplexers, cable modem termination system, optical line terminals, local origination equipment, servers, routers, switches, monitoring equipment and other related equipment.

81. It is a system through which television services are delivered using the Internet protocol suite over a packet-switched network such as the Internet.

82. The signal loss between nominally isolated ports of a coaxial or optical device (for instance, the output ports of a splitter).

83. High frequency band used in satellite applications for the transmission of video and audio signals. Downlink frequency is ranging from 11.7 GHz to 12.2 GHz for cable TV satellite signal reception.

84. It is an enclosure where the optical splitters coupled with adapters are housed. It is usually called the Fiber Distribution Hub (FDH) that provides optical connectivity between the feeder cable and distribution cable.

85. It is a measure of the signal-to-noise ratio in a digitally modulated signal. It is usually expressed in decibels (dB).

86. An optical fiber that supports more than one transmission path.

87. It is designed to withstand the rugged outside plant environment. It has uniquely hardened connectors that are factory- terminated and environmentally sealed for use in optical drop cable deployments. It can be installed in the pedestal for underground deployment) and/or on the pole for aerial installation.

88. One of many names for a box on the side of the house that contains any required interfaces between a telephone line or cable plant and inside wiring.

89. NTC means:

90. An entity that developed the analog TV system used in the Philippines and elsewhere.

91. A device that does not capable of amplification, oscillation and requires no power for its intended function. Examples include splitters, directional couplers, power inserters, attenuators and taps.

92. This is an optical network with no active components between the cable TV provider and customer.

93. A NEXT measurement which includes the sum of crosstalk contributions of all adjacent pairs.

94. An Act providing for a more responsive and comprehensive regulation for the registration, licensing and practice of Professional Electronics Engineers, Electronics Engineers and Electronics Technicians, repealing Republic Act No. 5734, otherwise known as the "Electronics and Communications Engineering Act of the Philippines", and for other purposes.

95. It is a deep-fiber network design in which the coax portion of the hybrid fiber coax (HFC) network is replaced by a single-fiber passive optical network (PON).

96. A one dwelling unit that is usually occupied by just one household or family. It is a building that does not share an inside wall with any other house or dwelling.

97. The undesired passage of signal over the surface of a conductor through an insulator that can interfere with any of the over-the-air services and other navigational communication services that happen to be using the same frequencies as the cable operator and that are within the vicinity of the cable system. Aside from this, signal that radiates out of the system may be intercepted by the public.

98. In analog television work, the RMS level of the picture carrier measured over the occupied bandwidth of the signal, during sync tips. In digital communications, as practiced by the cable TV industry, it is the average level of the modulated signal.

99. A ratio of the amplitude of a desired signal to the amplitude of noise, usually expressed in dB.

100. A piece of test equipment used to plot signal amplitude versus frequency.