Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Helmut Preisach0
Date of Patent
March 10, 2009
0Patent Application Number
107603970
Date Filed
January 21, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A circuit for driving a semiconductor laser, in particular a vertical cavity surface-emitting laser that comprises a differential amplifier for driving the semiconductor laser directly. The semiconductor laser is differentially driven by means of the differential amplifier, a first output of the differential amplifier being direct-current-coupled to a first terminal of the semiconductor laser and a second output of the differential amplifier being alternating-current-coupled to a second terminal of the semiconductor laser.
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