Abstract
This paper presents a design of an active transmitarray operating at E-band (71-76 GHz) frequency range. The antenna is implemented as a stack of multilayer printed circuit boards with a horn antenna as a source. Active beamforming is achieved via SiGe BiCMOS vector modulator MMICs, which provide digital control of amplitude and phase for each array element. Beamsteering capability of active 8×5 transmitarray with EIRP of 35 dBm is demonstrated with measured E-and H-plane radiation patterns at 71.5 GHz.
| Original language | English |
|---|---|
| Title of host publication | 2025 55th European Microwave Conference, EuMC 2025 |
| Subtitle of host publication | Proceedings |
| Publisher | IEEE Institute of Electrical and Electronic Engineers |
| Pages | 196-199 |
| Number of pages | 4 |
| ISBN (Electronic) | 978-2-87487-081-1 |
| ISBN (Print) | 979-8-3315-1260-6 |
| DOIs | |
| Publication status | Published - 23 Sept 2025 |
| MoE publication type | A4 Article in a conference publication |
| Event | 2025 55th European Microwave Conference - Royal Jaarbeurs, Utrecht, Netherlands Duration: 23 Sept 2025 → 25 Sept 2025 https://ieeexplore.ieee.org/document/11235181 |
Conference
| Conference | 2025 55th European Microwave Conference |
|---|---|
| Abbreviated title | EuMC |
| Country/Territory | Netherlands |
| City | Utrecht |
| Period | 23/09/25 → 25/09/25 |
| Internet address |
Funding
This work was financially supported by the Business Finland under RF Sampo and TeraFront projects under Grants 2993/31/2021 and 8398/31/2022.
Keywords
- BiCMOS
- transmitarray
- SiGe
- E-band
- vector modulator
- PCB
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