Term
76.605(a)(2)
Aural Carrier Center Frequency |
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Definition
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Term
76.605(a)(3)
Minimum Visual Signal Level |
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Definition
0 dBmV at subscriber terminal
3.0 dBmV at end of 98.42' (30 M) drop cable |
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Term
76.605(a)(4)
Visual Signal Level 24-Hour Variation |
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Definition
| Not to vary more than 8 dB within any six month interval |
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Term
76.605(a)(4)(i)
Maximum visual signal level of adjacent channel |
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Definition
| Within 3.0 dB of any visual carrier within 6 MHz |
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Term
76.605(a)(4)(ii)
Minimum/maximum bandwidth visual signal level |
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Definition
| within 10dB of the visual signal level on any other channel on a cable system of up to 300MHz. A 1dB increase in level separation for each additional 100MHz of bandwidth. |
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Term
76.605(a)(4)(iii)
Maximum visual signal level |
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Definition
| A maximum level that will not overload the subscriber's receiver or terminal |
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Term
76.605(a)(5)(FCC)
Aural signal level |
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Definition
| 10 dB- 17dB below the associated visual signal level. This aural signal level cannot cause interference to the upper adjacent channel's video carrier. |
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Term
76.605(a)(5)(Comcast)
Aural signal level |
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Definition
| 15dB below the associated visual signal level. This aural signal level cannot cause interference to the upper adjacent channel's video carrier. |
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Term
76.605(a)(6)
Amplitude characteristic of a single CATV channel |
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Definition
| ± 2dB from .7 MHz to 5 MHz |
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Term
76.605(a)(7)(FCC)
Carrier to Noise |
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Definition
| 43 dB as of June 30, 1995 |
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Term
76.605(a)(7)(Comcast)
Carrier to Noise |
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Definition
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Term
76.605(a)(8)(i)(FCC)
Visual signal-to-coherent beats |
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Definition
Not less than 51 dB for non-coherent (standard) CATV systems (modulated carriers and time-averaged)
Not less than 47dB for coherent (HRC/IRC) CATV systems (modulated carriers and time-averaged) |
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Term
76.605(a)(8)(i)(Comcast)
Visual signal-to-coherent beats |
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Definition
Not less than 54 dB for non-coherent (standard) CATV systems (modulated carriers and time-averaged)
Not less than 49dB for coherent (HRC/IRC) CATV systems (modulated carriers and time-averaged) |
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Term
76.605(a)(9)(i)(ii)
Terminal isolation |
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Definition
| Not less than 18dB (manufacturer's specifications) and sufficient to prevent subscriber-caused terminal reflections |
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Term
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Definition
| Not to exceed 3% of visual signal level |
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Term
76.605(a)(11)(i)
Chrominance-luminance delay |
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Definition
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Term
76.605(a)(10)(Comcast)
Hum |
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Definition
| Not to exceed 2% of visual signal level |
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Term
76.605(a)(11)(ii)
Differential gain |
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Definition
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Term
76.605(a)(11)(iii)
Differential phase |
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Definition
| Not to exceed ± 10 degrees |
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Term
| 76.605(a)(12) RF signal Leakage |
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Definition
< 54 MHz = 15 µV/m @ 30 m
54-216 MHz = 20 µV/m @ 3 m
> 216 MHz = 15 µV/m @ 30 m |
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