Universal Broadband Router Hardware Installation Guide

C-2
Cisco uBR10012 Universal Broadband Router Hardware Installation Guide
OL-18259-01
Appendix C Frequency Allocation
Standards Comparisons
Standards Comparisons
The following tables (Table C-1, Table C-2, and Table C-3) include data from Recommendation ITU-R
BT.470.6, Conventional Television Systems (1998) and provide a comparison of the different standards.
NTSC Cable Television Channels and Relative Frequencies
Table C-4 provides information on the NTSC frequency map for standard 6-MHz channels in North,
Central, and South America as well as parts of Asia. Table C-5 lists NTSC assignments for Japan.
Ta b l e C-1 Analog Television System Baseband Video Parameters
M N B, B1, D1, G H I D, K K1 L
Lines per frame
525 625 625 625 625 625 625 625
Field rate (Hz)
Monochrome: 60
Color: 59.94
50 50 50 50 50 50 50
Horizontal rate (Hz)
Monochrome: 15,750
Color: 15,734.264
15,625 15,625 15,625 15,625 15,625 15,625 15,625
Video bandwidth (Mhz)
4.2 4.2 5 5 5.5 6 6 6
Ta b l e C-2 Analog Television Chrominance Subcarrier Frequencies
M/NTSC M/PAL
B, B1, D, D1, G, H,
K, N/PAL
I/PAL
B, D, G, H, K, K1,
L/SECAM
N/PAL
1
1. This value applies to the combination N/PAL used in Argentina.
Chrominance subcarrier
frequency (Hz)
3,579,545
± 10
3,575611.49
± 10
4,433,618.75
± 5
4,433,618.75
± 1
f
OR
=4,406,250
± 2,000
f
OB
=4,250,000
± 2,000
3,582,056.25
± 5
Ta b l e C-3 Analog Television System RF Parameters
M N B, B1, G H I D, D1, K K1 L
Channel bandwidth at RF (MHz)
6 6 B=7
B1, G=8
8 8 8 8 8
Frequency separation between
visual and aural carrier (MHz)
4.5 4.5 5.5 5.5 5.9996 6.5 6.5 6.5
Ta b l e C-4 NTSC Cable Television Channels and Relative Frequencies
Channel
No.
1
Channel
No., EIA
Bandwidth
(MHz)
Visual
Carrier (MHz)
Center
Freq.
Aural Carrier
(MHz)
Incrementally Related
Carrier
Harmonically Related
Carrier
Visual Aural Visual Aural
T-7 none 5.75-11.75 7 8.75 11.5 N/A N/A N/A N/A
T-8 none 11.75-17.75 13 14.75 17.5 N/A N/A N/A N/A