Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroyuki Uzawa0
Tomoyoshi Kataoka0
Toshihiro Itoh0
Yves Bouvier0
Hideyuki Nosaka0
Hiroaki Katsurai0
Hiroshi Koizumi0
Hiroshi Yamazaki0
...
Date of Patent
March 26, 2019
0Patent Application Number
148891270
Date Filed
May 9, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An optical modulator driver circuit (1) includes an amplifier (50, Q10, Q11, R10-R13), and a current amount adjustment circuit (51) capable of adjusting a current amount of the amplifier (50) in accordance with a desired operation mode. The current amount adjustment circuit (51) includes at least two current sources (IS10) that are individually ON/OFF-controllable in accordance with a binary control signal representing the desired operation mode.
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