Position: Index > Phone Circuit >

Wireless Ir Headphone Receiver Circuit

2016-02-09 04:06  
Declaration:We aim to transmit more information by carrying articles . We will delete it soon, if we are involved in the problems of article content ,copyright or other problems.


IR detector diode D1 intercepts the IR signal at around 40 kHz and feeds it from Ul, a high-gain preamp, to PLL, U2, a 4046 configured to serve as an FM detector.
Wireless Ir Headphone Receiver Circuit

U3 is an audio amplifier that feeds a pair of headphones or a speaker.



Reprinted Url Of This Article:
http://www.next.gr/light-laser-led/infrared/wireless-ir-headphone-receiver-circuit-l14704.html