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Temperature Stability Using the LDT-5980

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Temperature Stability Using the LDT-5980

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This technical note illustrates the temperature control stability of the LDT-5980 High Power Thermoelectric Temperature Controller.A LDT-5980 was connected to the TE-550 Case Temperature Control of an LDM-4984 Butterfly Laser Diode Mount. An aluminum test load with two adjacent calibrated thermistors was clamped to the mounting pad of the LDM-4984.Thermistor 1 was used as the temperature control feedback to the LDT-5980 and Thermistor 2 measured the temperature stability of the aluminum test load with a Hewlett Packard 3458A 8 ½ Digit Multimeter. The test load was covered with the LDM-4984’s accompanying ESD protective cover to minimize air flow. To further insulate the test load, foam encompassed the ESD protective cover.

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