Infrared receiver circuit diagram with a pre-integrated amplifiers


Posted on Mar 28, 2007

As shown, the circuit due to the integrated amplifier, so the circuit is simple, small size. TDA4050 IC used here, a weak signal is received by the infrared photodiode VD, firs


Infrared receiver circuit diagram with a pre-integrated amplifiers
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t passes through the transistor amplifier. As a result of the converging lens (diameter of about 15mm, a focal length of about 30mm), and therefore the effective distance can be increased 20 to 30 times. Capacitance C can effectively reduce interfering signals in the low frequency range of 50 ~ 100Hz.




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Is there any alternative for TA45050 IC?   Nov 22, 2018

Hi, I am looking for an alternative IC of TDA4050, because the IC is not available in the market. If anyone finds any alternative for this IC, please let me know. Regards Prithivi

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