• Optical Instruments
  • Vol. 42, Issue 2, 70 (2020)
Guangyu SUN, Jun LU*, and Zihao WANG
Author Affiliations
  • School of Electrical and Electronic Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050003, China
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    DOI: 10.3969/j.issn.1005-5630.2020.02.012 Cite this Article
    Guangyu SUN, Jun LU, Zihao WANG. Design of constant current drive circuit for FOG[J]. Optical Instruments, 2020, 42(2): 70 Copy Citation Text show less
    SLD internal schematic
    Fig. 1. SLD internal schematic
    Photoelectric characteristics
    Fig. 2. Photoelectric characteristics
    Constant current drive circuit
    Fig. 3. Constant current drive circuit
    Test circuit
    Fig. 4. Test circuit
    Experimental platform
    Fig. 5. Experimental platform
    温度/℃IA/mA 标准差相对差/%
    最大值最小值平均值
    25100.263100.220100.2420.013 70.013 7
    −40101.844101.757101.8090.020 70.020 3
    60101.793101.721101.7590.023 20.022 8
    Table 1.

    Constant current accuracy test results

    恒流精度测试结果