Radio frequency signal distribution device for use in a CATV sys

Details Radio frequency signal distribution device for use in a CATV sys Radio frequency signal distribution device for use in a CATV sys

1977-01-21

1978-03-14

Safourek, Benedict V.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

333 10, H04H 102

Patent

active

040793192

ABSTRACT:
Radio frequency signal distribution device for use in a distribution system for VHF and UHF signals, which device comprises an input terminal, an output terminal and a signal transmission line connected between the input terminal and the output terminal, which signal transmission line is provided with a plurality of directional couplers which are connected in series for the radio frequency signal on the signal transmission line, each directional coupler comprising a coupling loop as well as a tap-off terminal which is connected to the coupling loop, which coupling loop has an electrical length of a quarter of the wavelength of a frequency in the TV UHF range, which signal distribution device can supply signals to some dozens of subscribers within a radius of 80 to 100 m which signals satisfy the requirements imposed in practice as regards the signal level within given frequency bands.

REFERENCES:
patent: 3164790 (1965-01-01), Oh
patent: 3372350 (1968-03-01), Kawahashi et al.
patent: 3460069 (1969-08-01), Uberbacher et al.
patent: 3535640 (1970-10-01), Forrest, Jr.
patent: 3747028 (1973-07-01), Pennypacker

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