TDA3048--IR remote control signal receiving integrated circuit

Published:2011/5/8 8:40:00 Author:TaoXi | Keyword: IR, remote control, signal receiving | From:SeekIC

The TDA3048 IR remote control signal receiving integrated circuit is produced by the PHILIPS company, and it can be used as the remote control signal receiving circuit in TV, stereo, air conditioning, fans and other home appliances' remote control system. The TDA3048 has the infrared remote control signal pre-amplifier, the limiting amplifier, the bandpass filter, the wave detector, the comparator, the integrator, output driver.etc. This IC is in the 16-pin dual in-line package, the pin functions and data is as shown in table 8. Table 8 The pin functions and data of the TDA3048 The TDA4472 is designed as one kind of new video signal processing integrated circuit that is produced by the PHILIPS company, and it can be used as the TV video signal processor in the new generation of large screen color TV. 1.Features The TDA4472 has the SIF signal processing circuit, the SIF's AGC circuit, the VIF's AGC circuit, the RF AGC adjusting control circuit, the video signal processing circuit, the oscillator interface circuit, the AFC voltage generating circuit, the VIF signal processing circuit and the AFC switching circuit.etc. The typical application circuit of the Konka S series large screen color TV is as shown in figure 8.



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