Reduction of interchannel harmonic distortions in an analog and

Details Reduction of interchannel harmonic distortions in an analog and Reduction of interchannel harmonic distortions in an analog and

1992-05-01

1995-09-12

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

348 6, 348 21, 370 73, 455 61, H04H 104, H04J 112

Patent

active

054503922

ABSTRACT:
A frequency allocation is provided to minimize the effects of amplifier distortion in a mixed analog and digital cable television system. In particular, successive digital channel signals having a bandwidth substantially equal to .omega. are separated by a pair of adjacent analog channel signals, each having a bandwidth substantially equal to .omega.. In an illustrated embodiment, the analog and digital channel signals comprise amplitude modulated carriers having substantially equal power levels.

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Citta, et al., "The Digital Spectrum-Compatable HDTV Transmission System," IEEE 1991 International Conference on Consumer Electronics ICCE, Jun. 5-7, 1991, Rosemont, Ill., pp. 44-45.
Laflin, et al., "The Provision of Circuits to Outside Broadcast Locations Using Spectrum Within the UHF Broadcasting Bands," BBC Research Department Report, No. 12, 1990, Tadworth, Great Britain, pp. 1-21.

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