Abstract
This paper demonstrates a new phase-shifting up-converter targeted for 30GHz advanced phased array beamforming applications. The approach makes use of a phase-oversampling vector modulator in the LO domain to generate variable phases and amplitudes for each array element. A complex gain constellation with 81 points can be formed with 10° phase resolution and 2-bit amplitude resolution. The up-converter has a measured maximal conversion gain of +10dB and OIP3 of +3dBm while consuming 393mW from a 3.3V supply voltage. Implemented in 0.25-μm SiGe:C BiCMOS the up-converter has a compact core area of 0.135mm 2.
| Original language | English |
|---|---|
| Title of host publication | 2012 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2012 - Digest of Papers |
| Editors | Brian Floyd |
| Publisher | Institute of Electrical and Electronics Engineers |
| Pages | 499-502 |
| Number of pages | 4 |
| ISBN (Electronic) | 978-1-4673-0416-0 |
| ISBN (Print) | 978-1-4673-0413-9 |
| DOIs | |
| Publication status | Published - 2012 |
| Event | 2012 IEEE Radio Frequency Integrated Circuits Symposium (RFIC 2012) - Montréal, Canada Duration: 17 Jun 2012 → 19 Jun 2012 |
Conference
| Conference | 2012 IEEE Radio Frequency Integrated Circuits Symposium (RFIC 2012) |
|---|---|
| Abbreviated title | RFIC 2012 |
| Country/Territory | Canada |
| City | Montréal |
| Period | 17/06/12 → 19/06/12 |
Keywords
- beamforming
- frequency divider
- phase shifter
- phase-oversampling
- phased array
- vector modulator
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