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Temperature Controller

A proportional temperature controller capable of 40 watts output was designed to regulate the processor temperature.  The controller uses 12V from the computer power supply and outputs a variable 0-9 volt DC to the thermoelectric device.  The processor temperature control is based on a TL598 Pulse Width Modulator.  A schematic of the controller, sectioned into three main parts, is shown below.  

Navigate by clicking on the appropriate sections of the schematic below.  

   

TL598 Functional Block Diagram


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University of Victoria    Faculty of Engineering    Dept. of Electrical Engineering
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Last updated: April 6, 2001.