Low frequency carrierband multi-port signal coupler

Details Low frequency carrierband multi-port signal coupler Low frequency carrierband multi-port signal coupler

1990-11-21

1991-12-17

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333119, 333131, H03H 748

Patent

active

050737627

ABSTRACT:
A low frequency multi-port signal coupler employing hybrid transformer coupling circuitry for intercoupling from a main communication line to output taps. In one embodiment, the coupler has two tap ports interconnected by two core transformers, each having a termination resistor associated therewith. In another embodiment of the invention, there are four tap ports interconnected by three core transformers and a shunted inductor, and having three termination resistors and a split-matching isolation resistor associated with the output taps. An impedance matching resistance is provided at the input and output of the two port embodiment.

REFERENCES:
patent: 3832647 (1974-08-01), Beurrier
patent: 3872408 (1975-03-01), Reilly
patent: 4419636 (1983-12-01), Yu
patent: 4467293 (1984-08-01), Apel
patent: 9973926 (1990-11-01), Yu

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