Transmission line, optical module using the same and manufacturing method of optical module
AssigneeOpnext Japan, Inc.
InventorsNaoki Matsushima, Kazumi Kawamoto, Hideyuki Kuwano, Yoshiaki Niwa
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Abstract
According to the present invention there are provided a transmission line and an optical module having the transmission line, the transmission line having on a dielectric substrate a first signal wiring conductor, a second signal wiring conductor insulated from the first signal wiring conductor, a first electrode disposed near the first and second signal wiring conductors, a second electrode disposed near the second signal wiring conductor, and a ground wiring conductor disposed in adjacency to the second electrode, wherein a passing frequency band can be changed by changing the connection of conductor wires.
Claims10
A transmission line characterized in that on a dielectric substrate there are formed a first signal wiring conductor, a second signal wiring conductor insulated from said first signal wiring conductor, a first electrode positioned near said first and said second signal wiring conductor, a second electrode positioned near said second signal wiring conductor, and a ground wiring conductor positioned in adjacency to said second electrode,
- wherein an end portion of said first signal wiring conductor and said first electrode are connected with each other using a first conductor,
- wherein said first electrode and said second signal wiring conductor are connected with each other using a second conductor, said second signal wiring conductor and said second electrode are connected with each other using a third conductor,
- wherein an inductor is constituted by said first and said second conductor, and a capacitor is constituted by said second electrode and said ground wiring conductor.
A transmission line characterized in that on a dielectric substrate there are formed n number of mutually insulated signal wiring conductors, a first electrode group positioned near said n number of signal wiring conductors and having (n−1) number of mutually insulated electrodes, a second electrode group positioned near said n number of signal wiring conductors and having n number of mutually insulated electrodes, and a ground wiring conductor positioned in adjacency to the electrodes of said second electrode group,
- wherein adjacent said signal wiring conductors are connected in series through mutually different electrodes included in said first electrode group,
- wherein said signal wiring conductors are connected to mutually different electrodes included in said second electrode group,
- wherein inductors are formed by conductors which connect said first electrode group and said signal wiring conductors with each other, and capacitors are formed by the electrodes included in said second electrode group, and said ground wiring conductor which surrounds said electrodes.
Dependencies are inferred from the claim text.