Signal transmission using IR diodes and photodetectors

Signal transmission using IR diodes and photodetectors
Modern electronic systems require reliable, efficient, and compact solutions for contactless signal transmission. This application note gives a detailed introduction to signal transmission using IR diodes and photodetectors and explains the physical principles, key component characteristics, and practical design considerations involved. It shows how optical transmission paths can be implemented, which parameters influence performance and reliability, and how transmitter and receiver components interact in typical applications. In addition, the application note highlights important aspects for selecting suitable components and provides useful guidance for designing robust and efficient IR-based signal transmission systems.

Content:

• Introduction and theoretical background
• Circuit setup for analysis
• Collector current and output voltage as a function of various parameters
• Switching time.
• Summary

Download: ANO014