Abstract
A K-band (18–26.5 GHz) single-chip reconfigurable and multi-functional RF-MEMS switched dual-LNA MMIC (optimized for lowest/highest possible noise figure/linearity) is presented.
The two MEMS switched low-NF and high-linearity LNA circuit functions present 18.6 dB/9.0 dB, 2.4 dB/3.5 dB and 22 dBm/29 dBm of small-signal gain, noise figure and OIP 3 at 20 GHz, respectively.
The in-band isolation levels of the two switched LNA paths equal 16–20 dB when the MEMS switches are switched on and off.
Compared with two fixed (non-reconfigurable) LNA breakout circuits, the MEMS switched LNA circuit functions show 0.5–1.0 dB higher NF together with similar values of linearity at 15–25 GHz.
The two MEMS switched low-NF and high-linearity LNA circuit functions present 18.6 dB/9.0 dB, 2.4 dB/3.5 dB and 22 dBm/29 dBm of small-signal gain, noise figure and OIP 3 at 20 GHz, respectively.
The in-band isolation levels of the two switched LNA paths equal 16–20 dB when the MEMS switches are switched on and off.
Compared with two fixed (non-reconfigurable) LNA breakout circuits, the MEMS switched LNA circuit functions show 0.5–1.0 dB higher NF together with similar values of linearity at 15–25 GHz.
| Original language | English |
|---|---|
| Title of host publication | Proceedings |
| Subtitle of host publication | IEEE/MTT-S International Microwave Symposium Digest |
| Publisher | IEEE Institute of Electrical and Electronic Engineers |
| Number of pages | 3 |
| ISBN (Electronic) | 978-1-4673-1088-8 |
| ISBN (Print) | 978-1-4673-1087-1, 978-1-4673-1085-7 |
| DOIs | |
| Publication status | Published - 2012 |
| MoE publication type | Not Eligible |
| Event | IEEE MTT-S International Microwave Symposium, IMS 2012 - Montreal, Canada Duration: 17 Jun 2012 → 22 Jun 2012 |
Conference
| Conference | IEEE MTT-S International Microwave Symposium, IMS 2012 |
|---|---|
| Abbreviated title | IMS 2012 |
| Country/Territory | Canada |
| City | Montreal |
| Period | 17/06/12 → 22/06/12 |
Keywords
- Gallium arsenide
- low-noise amplifiers
- MMIC
- radio frequency microelectromechanical systems
- switches
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