IMPEDANCE MATCHING DEVICE-INTEGRATED NETWORK SIGNAL PROCESSING CIRCUIT

摘要

An impedance matching device-integrated network signal processing circuit includes a first connection terminal electrically connected to the network chip, a second connection terminal electrically connected to the network connector, a plurality of circuit paths electrically connected between the first connection terminal and the second connection terminal, a coupling circuit including a plurality of capacitors respectively connected in series to the circuit paths and a plurality of inductors respectively connected in parallel between each two adjacent circuit paths, and a plurality of impedance matching devices respectively electrically connected in series to each two adjacent circuit paths, each impedance matching device including two microstrip coils respectively electrically connected in series to each two adjacent circuit paths between the first connection terminal and respective the inductors to keep the impedance at the motherboard of the computer in balance with the impedance at the network cable, avoiding signal interference and achieving signal transmission stability.

主权项

1. An impedance matching device-integrated processing circuit installed in a network connector and electrically connected between a motherboard of a computer and a network cable, comprising a first connection terminal electrically connected to said network cable, a second connection terminal electrically connected to said network connector, a plurality of circuit paths electrically connected between said first connection terminal and said second connection terminal, a network chip electrically connecting said first connection terminal to said network cable, a coupling circuit, said coupling circuit comprising a plurality of capacitors respectively connected in series to said circuit paths and a plurality of inductors respectively connected in parallel between each two adjacent said circuit paths, and a plurality of impedance matching devices respectively electrically connected in series to each two adjacent said circuit paths, each said impedance matching device comprising two microstrip coils respectively electrically connected in series to each two adjacent said circuit paths between said first connection terminal and respective said inductors.