Ir-receiver


Posted on Dec 14, 2012

Infrared emissions detected by Ql are fed through Ula to Ulb, which amplifies the signal by a factor of 100. The amplified output ofUlb is fed to Ulc through R9, C2, and R6. Potentiometer R9 serves as a volume control. With R9 set to pass the maximum signal, Ulc provides a gain of 100, for a total system gain oflO,OOO dB.


Ir-receiver
Click here to download the full size of the above Circuit.

The output ofUlcis connected to voltage follower circuit Uld to better match and drive headphones that can be plugged into J1.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

15w rf amplifier circuit
555 timer music instrument
control electric appliances
LT3083 current limiting
Soundtraxx Sierra Tips
Audio Power Amplifier 60W with TDA7294 circuit
Beginning Embedded Electronics - 2
FET used as a silencer tube headphone circuit
One battery fast charge circuit



Top