Wireless IR Headphone Receiver
Created: Jun 11, 2014
No description available.
A photodiode D1 feeds high gain IR remote control preamp IC, 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.
See also: Wireless Headphone Transmitter