Amplifier device for a cable television distribution network
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United States of America Patent
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Aug 30, 1994
Grant Date -
N/A
app pub date -
Aug 21, 1992
filing date -
Aug 28, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The device comprises a first path provided with an amplifier (1) amplifying in a first frequency band, and a second path provided with an amplifier (2) amplifying in a direction opposite to that of the first amplifier and in a second frequency band other than the first frequency band, a first filter element (L1) having a low pass characteristic for transmitting the signals of the first path, and a second filter element (C1) having a high pass characteristic for transmitting the signals of the second path. The two paths are combined by a third filter element (CA) having a high pass characteristic, arranged in series with a fourth filter element (LA) having a low pass characteristic, whose junction point is connected to ground by a matched impedance (ZCA), and a signal polarity inverting element (TA) is inserted in series between two of the filter elements.
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