Abstract
In this paper we present the design, modeling, and on-wafer measurement results of an ultra- wideband cryogenically cooled SiGe low-noise amplifier covering at least 71 to 116 GHz. When cryogenically cooled to 20 K and measured on wafer the SiGe amplifier shows 95-116-K noise temperature from 77 to 116 GHz. This means 6 to 7 times improvement in noise temperature compared to room temperature noise. The measured gain is around 20 dB for frequency range of 71 to 116 GHz with unprecedented low power consumption of 2.8 mW. To the best of authors' knowledge, this is the highest frequency cryogenic SiGe low-noise amplifier and lowest noise performance for silicon amplifiers for W-band renorted to date.
| Original language | English |
|---|---|
| Title of host publication | IMS 2020 |
| Subtitle of host publication | 2020 IEEE/MTT-S International Microwave Symposium |
| Publisher | IEEE Institute of Electrical and Electronic Engineers |
| Pages | 185-188 |
| ISBN (Electronic) | 978-1-7281-6815-9 |
| ISBN (Print) | 978-1-7281-6816-6 |
| DOIs | |
| Publication status | Published - Aug 2020 |
| MoE publication type | A4 Article in a conference publication |
| Event | 2020 IEEE/MTT-S International Microwave Symposium, IMS 2020: Online - Virtual, Los Angeles, United States Duration: 4 Aug 2020 → 6 Aug 2020 |
Publication series
| Series | IEEE MTT-S International Microwave Symposium |
|---|---|
| Volume | 2020-August |
| ISSN | 0149-645X |
Conference
| Conference | 2020 IEEE/MTT-S International Microwave Symposium, IMS 2020 |
|---|---|
| Abbreviated title | IMS 2020 |
| Country/Territory | United States |
| City | Los Angeles |
| Period | 4/08/20 → 6/08/20 |
Funding
ACKNOWLEDGMENT This work was supported through the Academy of Finland under projects MIDERI, HISENS, and MilliRad (decision no 310234, 310879, and 314541, respectively).
Keywords
- BiCMOS integrated circuits
- Cryogenics
- Heterojunction bipolar transistors (HBT)
- Low-noise amplifiers (LNA)
- MMICs
- Silicon germanium (SiGe)
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