Light transmitter and automatic power control circuit thereof

Day-Uei Li (Inventor), Hsin-Chao Chen (Inventor)

Research output: Patent


A light transmitter and an auto-control circuit thereof are provided. The circuit includes a driving module and a feedback module. The driving module is coupled to the feedback module and a load. The driving module provides a driving current for driving the load. The feedback module provides a bias signal to the driving module according to the change of the temperature, for adjusting the driving current and stabilizing an output power.
Original languageEnglish
Patent numberUS7813392
Priority date15/11/07
Publication statusPublished - 12 Oct 2010


  • light transmitter
  • auto-control circuit
  • driving module
  • feedback module

Fingerprint Dive into the research topics of 'Light transmitter and automatic power control circuit thereof'. Together they form a unique fingerprint.

Cite this