IR Receivers Synch 3D TV Active Glasses

The TSOP75D25 and TSOP35D25 infrared receivers fit into active 3D glasses, ensuring the glasses' LCD shutters open and close in proper synchronization.
Aug. 13, 2010
2 min read

Employing a 25-kHz carrier frequency, the surface-mount TSOP75D25 and TSOP35D25 infrared receivers fit into active 3D glasses, ensuring the glasses' LCD shutters open and close in proper synchronization. Both receive 3D synch signals from an 830- or 850-nm emitter. Other shared features include a photodiode, amplifier, automatic gain control, bandpass filter, demodulator, control IC, and a transmit distance of more than 26m. Small-quantity pricing is $1 each. VISHAY INTERTECHNOLOGY, INC., Malvern, PA. (619) 336-0860.

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