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Optical Sensors - Photo Detectors - Remote Receiver

TSOP75433TT is a micro infrared receiver module designed for a wide range of remote control applications. This TSOP43433TT module utilizes two unique features to provide improved receiver sensitivity and immunity to external light sources. This application field and working principle of the TSOP75433TT is discussed in detail in this article.

Application Field of TSOP75433TT

The TSOP75433TT module can be used in a wide range of remote control applications. These include radio frequency (RF) remote controls for television, satellite receivers, VCR, audio amplifiers, digital video recorders, etc. It can also be used for infrared activated security systems, automation control, and remote control toys. The module is capable of receiving signals from either Philips RC5/RC6 or Sony SIRC protocols, and is an ideal choice for infrared remote control applications.

Working Principle of TSOP75433TT

The TSOP75433TT module uses two specialized features to provide improved receiver sensitivity and immunity to external light sources. The first feature is a special opto-isolator with an integrated PIN diode, which has improved photo-sensitivity and enhances the receivers immunity of external light sources. The second feature is a microprocessor integrated signal-to-noise (S/N) filter, which provides improved signal discrimination, thus improving receiver reliability.

The module consists of a micro-processor core, amplifier, band-pass filter, S/N filter and a PIN photo-diode. Once the infrared is received by the photo-diode, it is amplified and filtered by the amplifier and band-pass filter respectively. The filtered signal is then further filtered by the S/N filter, which removes any spurious noisy signals and noise caused due to interference from external sources. The filtered signal is then sent to the microprocessor core, where it is encoded for further processing.

Conclusion

The TSOP75433TT is an ideal choice for infrared remote control applications due to its improved sensitivity and immunity to external noise sources. It is applicable to a wide range of remote control applications and is capable of receiving signals from either Philips RC5/RC6 or Sony SIRC protocols. This article has provided an overview of the application field and the working principle of the TSOP75433TT module.

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