Double-channel infrared remote control switch (LM567, CD4013)

Published:2011/9/8 19:59:00 Author:Christina | Keyword: Double-channel, infrared, remote control, switch | From:SeekIC

The double-channel infrared remote control switch which is as shown in the figure changes the channel control signal into the high frequency carrier frequency signal by modulating the carrier frequency signal, and it outputs the signal through the infrared transmitting tube. This kind of control mode is very helpful to resist the interference, it makes the remote control circuit more reliable, the structure of it is as shown in the figure. This circuit is composed of the double-channel infrared transmitter, the infrared receiver modem, the channel selector and the switch controller. The emitter: The receiver:



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