Abstract
We introduce mainly the design of LNA (low noise amplifier) using the theory of mismatch compensation. The design target is expanded and stability of transistor is analyzed through the K factor. Using the powerful function of the ADS (Advanced Design System) software, it introduces in detail the designing process of the desired amplifier. LNA with operating frequency from 20MHz to 3GHz is designed in this paper, and two-stage amplifier is used in the design. The other targets are noise figure less than 1.5 dB, gain more than 30 dB, gain flatness less than ±2.5 dB, voltage standing wave ratio(VSWR) less than 2:1.
| Original language | English |
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| Title of host publication | Proceedings - 2009 International Conference on Computational Intelligence and Software Engineering, CiSE 2009 |
| DOIs | |
| Publication status | Published - 2009 |
| Event | 2009 International Conference on Computational Intelligence and Software Engineering, CiSE 2009 - Wuhan, China Duration: 11 Dec 2009 → 13 Dec 2009 |
Publication series
| Name | Proceedings - 2009 International Conference on Computational Intelligence and Software Engineering, CiSE 2009 |
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Conference
| Conference | 2009 International Conference on Computational Intelligence and Software Engineering, CiSE 2009 |
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| Country/Territory | China |
| City | Wuhan |
| Period | 11/12/09 → 13/12/09 |
Keywords
- Broadband
- Gain
- Low noise amplifier
- Noise figure
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Chen, L., Guo, J., & Lu, J. H. (2009). Design of a 20MHz-3GHz broadband low noise amplifier. In Proceedings - 2009 International Conference on Computational Intelligence and Software Engineering, CiSE 2009 Article 5362745 (Proceedings - 2009 International Conference on Computational Intelligence and Software Engineering, CiSE 2009). https://doi.org/10.1109/CISE.2009.5362745