Jul 3, 2013 #1 V vijayaummadi Newbie level 6 Joined Jul 9, 2010 Messages 13 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location INDIA Activity points 1,375 Hello, I am using photo Interrupter RPI 221 in my design. Can you please tell how to calculate range of CTR? What is the CTR that need to be selected even if the input LED gets degraded? I have attached datasheet for reference. Attachments rpi-221.pdf 44 KB · Views: 83
Hello, I am using photo Interrupter RPI 221 in my design. Can you please tell how to calculate range of CTR? What is the CTR that need to be selected even if the input LED gets degraded? I have attached datasheet for reference.