Jia-Kun ZHANG, Bao-Yu YANG, De-Xin SUN. Design and simulation of a EMI filter for infrared cryocooler driving system [J]. Journal of Infrared and Millimeter Waves, 2020, 39(4): 447
- Journal of Infrared and Millimeter Waves
- Vol. 39, Issue 4, 447 (2020)
Fig. 1. Schematic of the co-simulation modeling
Fig. 2. Co-simulation model of the driving system
Fig. 3. Topology of filter （a） Γ ![]()
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Π ![]()
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Fig. 4. Insertion loss of Γ ![]()
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R S, （b）Load impedance R L
Fig. 5. Insertion loss of L type filter vs . impedance characteristic （a）Source impedance R S，（b）Load impedance R L
Fig. 6. Insertion loss of Π ![]()
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R S, （b）Load impedance R L
Fig. 7. DM mechanism （with no filter）
Fig. 8. Impedance characteristic of DM coupling path
Fig. 9. DM mechanism （with filter）
Fig. 10. CM mechanism （with no filter）
Fig. 11. Impedance characteristic of CM coupling path
Fig. 12. CM mechanism （with filter）
Fig. 13. Topology of EMI filter
Fig. 14. Insertion loss of filter （a）DM, （b）CM
Fig. 15. Result of CE102（with filter vs. no filter） （a）simulation result，（b）test result
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Table 1. 差模滤波器参数表
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Table 2. 共模滤波器参数
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