The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 07, 2024
Filed:
Aug. 11, 2021
Tdk Corporation, Tokyo, JP;
Shuhei Someya, Tokyo, JP;
Mitsuyuki Nara, Tokyo, JP;
Katsufumi Ehata, Tokyo, JP;
Shinichi Tsuchiya, Tokyo, JP;
Hirofumi Tomita, Tokyo, JP;
Yoshinobu Shimokura, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
Disclosed herein is a bias tee circuit connected between a common terminal and power supply and signal terminals, the bias tee circuit includes a capacitor inserted between the common terminal and the signal terminal, and first and second inductors inserted in series between the common terminal and the power supply terminal. The first inductor is connected on a side of the common terminal. The second inductor is connected on a side of the power supply terminal. The second inductor is higher in self-resonance frequency and lower in Q value than the first inductor.