Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 12, 2011
Patent Application Number
11673826
Date Filed
February 12, 2007
Patent Primary Examiner
Patent abstract
Systems and methods for controlling a thermoelectric cooler (TEC) in an optical transceiver. A TEC system includes a processor that interacts with a power supply and a TEC controller to prevent inrush current. The power supply is switched by the processor and turned on only at a particular time. The power supply has a relatively large time constant such that it ramps slowly to its full value. In the meantime, the processor and TEC controller cause the temperature to ramp to a target value by repeatedly incrementing or decrementing a target value over time and by controlling when the maximum available voltage can be applied to the TEC.
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