2008

Digital Potentiometer

altThe iC-HL from iC-Haus GmbH is a 1,024-step logarithmic precision potentiometer used to set the optical output power of laser diodes in conjunction with APC laser drivers. iC-HL’s logarithmic characteristic curve provides continuous precision setup across a wide resistance range of 350 Ω to 80 kΩ. Resistance can be set using a new, wireless, optical programming interface based on the transmission of PWM coded light pulses straight into the laser monitor diode. Even assembled and encapsulated modules and those mounted in inaccessible places can be calibrated or have their output power adjusted. Transmission is protected against manipulation by encryption and CRC.

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