Author - James Horste

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James Horste	Write for Electronic Design
James Horste is a corporate field applications trainer with Maxim Integrated Products, Sunnyvale, Calif. He received bachelor's degrees in electrical engineering and computer engineering from the University of Michigan, Ann Arbor. Email address: James_Horste@maximhq.com
1 results found for James Horste, displaying items 1 - 1

March 15, 2007 [Ideas For Design]
Digital Resistor Sets Operating Power For Laser Driver
Designers can use a photodiode in conjunction with a power-control feedback loop to compensate a laser driver circuit for temperature effects and the effects of the laser's aging. But a photodiode's response can vary by as much as 40%, so the system needs additional compensation. That can be achieved with a digital resistor that varies the power set-point in response to temperature. For example, the MAX3740 VCSEL laser driver and DS1859 dual temperature-controlled digital...