Kai-Juan ZHANG, Chun-Qi SHI, Run-Xi ZHANG. A 94 GHz CMOS LNA utilizing dual-coupling gm-boosting technique [J]. Journal of Infrared and Millimeter Waves, 2020, 39(3): 306
- Journal of Infrared and Millimeter Waves
- Vol. 39, Issue 3, 306 (2020)
Fig. 1. The schematic of LNA and the 3D-view of passive devices
Fig. 2. （a） The schematic of the dual-coupling gm -boosting technique; （b）the equivalent of the balun; （c） the equivalent half-circuit model of conventional source inductive degeneration; and （d） the equivalent half-circuit model of the dual-coupling gm -boosting technique
Fig. 3. Comparison of simulated Gmax for circuits which use the traditional source inductive degeneration （TSID） method and the dual-coupling gm -boosting （DCGB） technique
Fig. 4. （a） The schematic of the capacitive neutralization and （b） its small signal equivalent model
Fig. 5. The simulated Gmax , Kf versus Cp at 90 GHz
Fig. 6. （a）The schematic and （b） its equivalent circuit of the common-gate-shorting technique
Fig. 7. （a） Maximum stable power gain and （b） NFmin of cascode circuit with and without common-gate-shorting technique
Fig. 8. Chip photograph of the fabricated LNA
Fig. 9. The measured S-parameters
Fig. 10. The measured K factor and the measured noise figure
Fig. 11. The measured Gain, output power at 90 GHz
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Table 1. LNA性能总结及与其它文献比较
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