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US 6,101,295 AGranted
High-frequency circuit, optical module employing same, and method of matching impedance
AssigneeOki Electric Industry Co., Ltd.
InventorsNaoyuki Mineo, Shunji Sakai
Life of this patent
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Abstract
A high-frequency circuit exhibiting favourable characteristics even in frequency domains in excess of 40 GHz is obtained by configuring a matching circuit 40 with open stubs 16 joined to a microstrip line 14.
Claims18
A high-frequency circuit comprising:
- a microstrip line;
- an optical semiconductor element located at the tip of said microstrip line;
- and
- an open stub joined to the microstrip line;
- said stub and the section of the microstrip line to which the stub is joined constituting a matching circuit;
- and
- impedance matching between the high-frequency circuit and an external circuit connected thereto being achieved by means of said matching circuit.
4 more elements
An optical module comprising:
- a microstrip line;
- an optical semiconductor element located at the tip of said microstrip line;
- and
- a high-frequency circuit containing an open stub joined to the microstrip line;
- said stub and the section of the microstrip line to which the stub is joined constituting a matching circuit;
- and
- impedance matching between the high-frequency circuit and an external circuit connected thereto being achieved by means of said matching circuit.
4 more elements
Dependencies are inferred from the claim text.