Sunday, September 1, 2013
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Wireless IR Headphone Receiver
Wireless IR Headphone Receiver
A photodiode Dl feeds high gain IR remote control preamp 1C, a CA3237E. U2 is a PLL FM detector tuned to around 100 kHz. The detector output is amplified by U3 and it can drive a speaker or a set of headphones.
Wireless IR Headphone Receiver Circuit Schematic
Wireless IR Headphone Receiver Circuit Schematic
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