Ir Receiver Ii


Posted on May 21, 2012

Q3 is an IR phototransistor that responds to a modulated IR beam. Q1 amplifies the ac component of the IR beam. Q2 drives a


Ir Receiver Ii
Click here to download the full size of the above Circuit.

meter as a relative indication of the strength of the light beam. A strong beam gives a lower meter reading. U1 is a tone decoder that produces a low output on pin 1 during reception for an IR beam that is modulated with the correct tone frequency, determined by R6.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Cordless phone backup circuit
Low-frequency-fm-generators
Sine-Wave Generator
SLA7062/67 Step Motor Driver
stereo fm circuit
High Voltage Generation For Xenon Tube Applications
PIC-based PSK31 MedFer Beacon
Actuator circuit



Top