It is based on the working of the popular IR sensor Module TSOP1738 which senses 38 kHz Infrared pulses from the IR LED of the transmitter. Range of the circuit is about 5 meters if the transmitter ...

The system using an RF remote, but relies on an IR transmitter to communicate between the base station and the cable box. He found the IR module that ... contains a boost circuit that patches ...

Vishay Intertechnology VSH recently upgraded its family of infrared (IR) transceiver modules, namely TFBS4xx and TFDU4xx, with its in-house integrated circuit (IC) and surface emitter chip technology.