Wu Tao, Pang Tao, Tang Yuquan, Sun Pengshuai, Zhang Zhirong, Xu Qiming. Design of semiconductor laser driver circuit and analysis of loop noise -suppression[J]. Infrared and Laser Engineering, 2020, 49(6): 20190386
- Infrared and Laser Engineering
- Vol. 49, Issue 6, 20190386 (2020)
Fig. 1. Overall block diagram
Fig. 2. Schematic diagram of automatic current control module
Fig. 3. Loop model of automatic current control module
Fig. 4. First-order manual analysis of LOOP#0
Fig. 5. Tina-TI simulation diagram
Fig. 6. LOOP#0 simulation results
Fig. 7. ACC module anti-interference ability test simulation
Fig. 8. ACC module after the introduction of noise suppression network responsiveness test simulation
Fig. 9. Software block diagram
Fig. 10. ACC module anti-interference ability test
Fig. 11. Frequency control linearity and accuracy test
Fig. 12. Diagram of experimental device
Fig. 13. Drive current stability test
Fig. 14. Control linearity and precision test of laser output power
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