Design of miniaturized fiber optic gyro MIOC driving circuit

Zhi Wei Li; Jun Fu; Teng Lv; Bao Li; Hao Chen

doi:10.1117/12.2668885

14 February 2023 Design of miniaturized fiber optic gyro MIOC driving circuit

Zhi Wei Li, Jun Fu, Teng Lv, Bao Li, Hao Chen

Proceedings Volume 12589, International Conference on Optical Technology, Semiconductor Materials, and Devices (OTSMD 2022); 125890A (2023) https://doi.org/10.1117/12.2668885
Event: International Conference on Optical Technology, Semiconductor Materials, and Devices (OTSMD 2022), 2022, Longyan, China

Abstract

In order to realize the miniaturized application of the Fiber Optic Gyroscope (FOG), combined with the characteristics of the drive circuit, the MIOC (Multifunctional Integrated Optical Circuit) drive circuit is simplified and designed, and only the single-chip operational amplifier is used to realize the differential current conversion of the DAC output to the drive voltage and the amplification function. Through simulation and circuit board experiment verification, the improved circuit design meets the driving requirements of MIOC and achieves an effective amplification of nearly ten times the output differential current signal of the DAC. The circuit design has been applied in the miniaturized fiber optic gyroscope of our company, and it has become a practical and reliable driving circuit design scheme.

Citation Download Citation

Zhi Wei Li, Jun Fu, Teng Lv, Bao Li, and Hao Chen "Design of miniaturized fiber optic gyro MIOC driving circuit", Proc. SPIE 12589, International Conference on Optical Technology, Semiconductor Materials, and Devices (OTSMD 2022), 125890A (14 February 2023); https://doi.org/10.1117/12.2668885

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