Low frequency carrierband multi-port signal coupler

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

1988-11-30

1990-11-27

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333119, 333131, H03H 748

Patent

active

049739263

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 a single core transformer having a split-matching isolation resistor associated with each output tap, and a pair of termination resistors at the input and output of the primary winding. An impedance matching inductance is provided at the input in both embodiments.

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

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