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

Single op amp oscillator
oscillator circuit
PIC16F688 Based Digital Voltmeter with a PIC mictocontroller
Voltage-controlled Current-limited switcher circuit
LED VU Meter by LM339 PCB
speedometer project
High gain microphone preamplifier electronic project
AT89C2051 Night Light Saver
always on for pcs circuit
Short Range Personal Radar Circuit
SG3524 wiring circuit



Top