Pulse-Frequency Modulated Receiver


Posted on Jan 17, 2013

This receiver uses an IR-sensitive phototransistor (Clairex, HP, etc.) mounted in a light-tight enclosur


Pulse-Frequency Modulated Receiver
Click here to download the full size of the above Circuit.

e with an aperture for the incoming IR beam. An optical system can be used with this receiver for increased range. A 741 amplifies the pulsed IR signal and a 565 PLL FM demodulator recovers the audio, which drives an LM386 audio amplifier and speaker.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

2500W Phase Control with TLE3103
Proximity-switch
On-off-inverters
Simple Fm Transmitter Circuit
infrared toggle switch for home
microphone preamp circuit
PC Based Wireless Stepper Motor control Circuit PCB
Display Text on an HD44780 LCD with an Arduino
2x16 LCD and 4x4 keypad example



Top