Abstract
This paper presents E-band 4 and 16 element receive (RX) and transmit (TX) phase shifter ICs for a scalable RF beamforming architecture. The chips are fabricated in an 0.13-µm SiGe BiCMOS technology. The TX/RX vector-modulator based phase shifters have an 8-bit resolution. Based on on-wafer measurements at 75 GHz, the 4-element RX phased-array chip achieves a single channel measured maximum gain of 18 dB for the 0 to 360 degree phase range with a simulated noise figure of around 10 dB. The 4-element TX has a single channel measured maximum gain of 16 dB for the full phase range including an on-chip power divider with a simulated 1-dB output compression point of -0.5 dBm. The 16-channel beamforming chips are based on the 4-channel sub-arrays with on-chip power splitting/combining. The power consumption for a single RX and TX phase shifter channel is 115 and 142 mW, respectively.
| Original language | English |
|---|---|
| Title of host publication | 2021 51st European Microwave Conference, EuMC 2021 |
| Publisher | IEEE Institute of Electrical and Electronic Engineers |
| Pages | 273-276 |
| Number of pages | 4 |
| ISBN (Electronic) | 978-2-87487-063-7 |
| ISBN (Print) | 978-1-6654-4721-8 |
| DOIs | |
| Publication status | Published - 2021 |
| MoE publication type | A4 Article in a conference publication |
| Event | 51st European Microwave Conference, EuMC 2021 - London, United Kingdom Duration: 4 Apr 2022 → 6 Apr 2022 |
Conference
| Conference | 51st European Microwave Conference, EuMC 2021 |
|---|---|
| Country/Territory | United Kingdom |
| City | London |
| Period | 4/04/22 → 6/04/22 |
Keywords
- Phased arrays
- Radio frequency
- Semiconductor device measurement
- Microwave integrated circuits
- Phase measurement
- Array signal processing
- Phase shifters
- phased arrays
- flip-chip
- beamforming
- monolithic microwave integrated circuit (MMIC)
- vector modulators
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