Infrared receivers for universal infrared 3D TV shutter eyewear

Infrared receivers for universal infrared 3D TV shutter eyewear

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By eeNews Europe

Despite efforts to standardize the technology used to synchronize the 3D TVs with their corresponding active shutter glasses, the industry is far from this goal, and there exists a large number of incompatible IR and RF protocols from various manufacturers. The TSMP6000 and TSMP77000 from Vishay Intertechnology are surface-mount IR receivers designed to receive any infrared signal used for 3D TV synchronization, and this capability simplifies the design of universal 3D TV eyewear.

The devices integrate a photodiode, amplifier, and signal conditioning IC into a single tiny package that helps minimize the weight of 3D glasses, and their ultra-low current consumption maximizes the battery life. The surface-mount devices that can be mounted in a side or top view. They both have a viewing angle of ± 50°, which allows for significant head movement without signal loss. They have high spectral sensitivity from 800 to 950nm and can receive carrier frequencies from 20 kHz to 60 kHz. The TSMP77000 measures 2.3×3.0x6.8mm and has dual lenses while the TSMP6000 measures 4.0×5.3×7.5mm and has a single lens.

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