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| Content Provider | IET Digital Library |
|---|---|
| Author | Abbas, Mohammed Nadhim Khaleel, Farooq Abdulghafoor |
| Abstract | This study describes the use of a pre-low noise amplifier (LNA) third-order notch filter as a novel linearity enhancement technique for ultra-wideband complementary metal oxide semiconductor LNA current-reuse topology. The second/third order input intercept point (IIP2/3) has improved along the entire working bandwidth (BW) from 2.1 to 12.5 GHz. The suggested linearisation technique achieves maximum/minimum IIP2 improvement from 19.068 to 104.143 dBm at 6.4 GHz and from 22.5 to 57.42 dBm at 5.5 GHz, respectively. In addition, this work achieves maximum/minimum IIP3 improvement from −7.956 to 34.688 dBm at 6.4 GHz and from −9.986 to 8.281 dBm, respectively. Moreover, the suggested linearisation technique does not affect the total ultra-wideband (UWB)-LNA power consumption, which is only 6.7 mW. Furthermore, the linearised UWB-LNA average noise figure is 1.6535 dB at the entire working BW. The simulation is performed and optimised with an advanced design system utilising BSIM3v3 TSMC 180 nm model files at different temperature values. |
| Starting Page | 342 |
| Ending Page | 347 |
| Page Count | 6 |
| Volume Number | 2018 |
| e-ISSN | 20513305 |
| Issue Number | Issue 6, Jun (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2018/6 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.0043 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-03-28 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-No Derivs License (http://creativecommons.org/licenses/by-nd/3.0/) |
| Subject Keyword | Active Filter Active Network Amplifiers Bandwidth 2.1 GHz to 12.5 GHz BSIM3v3 TSMC Model Files CMOS Integrated Circuit Current-reuse Topology Electrical/electronic Equipment Energy Utilisation Field Effect MMIC Filtering Linearisation Method Frequency 5.5 GHz Frequency 6.4 GHz Linearisation Technique Linearised UWB-LNA Linearity Enhancement Technique Low Noise Amplifier Low Power Electronics Low-power Ultra-wideband Complementary Metal Oxide Semiconductor Microwave Amplifier Microwave Filter Microwave IC Nonlinear Network Analysis And Design Notch Filter Power 6.7 MW Pre-low Noise Amplifier Size 180 Nm Third-order Notch Filter UHF Amplifiers UHF Filter Ultra-wideband-LNA Power Consumption |
| Content Type | Text |
| Resource Type | Article |
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