Abstract
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 language | English |
|---|---|
| Patent number | US7813392 |
| IPC | H01S5/06804 |
| Priority date | 15/11/07 |
| Publication status | Published - 12 Oct 2010 |
Keywords
- light transmitter
- auto-control circuit
- driving module
- feedback module