Jun-Jun QI, Hong-Liang LYU, Lin CHENG, Yu-Ming ZHANG, Yi-Men ZHANG, Feng-Guo ZHAO, Lan-Yan DUAN. A distributed small signal equivalent circuit modeling method for InP HEMT[J]. Journal of Infrared and Millimeter Waves, 2022, 41(2): 511
- Journal of Infrared and Millimeter Waves
- Vol. 41, Issue 2, 511 (2022)
Fig. 1. Distributed small signal equivalent circuit model for InP HEMT
Fig. 2. Simplified Circuit for parasitic inductances extraction
Fig. 3. Parasitic inductances extraction form the intercept of Im（Zij）verse ω2
Fig. 4. Extrinsic capacitances extraction form the intercept of Im（Yij）verse ω
Fig. 5. Simplified Circuit for parasitic resistances extraction
Fig. 6. Parasitic resistances extraction from the intercepts of（a）Re（Zij）verse 1/（Vgs-Vth）and（b）Re（Z11）verse 1/Ig
Fig. 7. Cin values versus frequency
Fig. 8. Ris values versus frequency
Fig. 9. Tau values versus frequency
Fig. 10. gm， Gds values versus frequency
Fig. 11. Simulated and measured results of InP HEMT biased at Vds=4 V, Vgs=-0.75 V
Fig. 12. S-parameter modeling error of InP HEMT small signal model
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Table 1. Extracted extrinsic parameters values for the small signal model of pinch-off InP HEMT
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Table 2. Extracted parameters values for the small signal model of InP HEMT
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