Impedance matching device-integrated network signal processing circuit

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 a network chip, 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 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,

• wherein said impedance matching devices are formed in a multilayer circuit board of said network connector by means of a circuit layout design, and electrically connected in series to said circuit paths between said first connection terminal and said second connection terminal.