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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Soer, M. Klumperink, E. Nauta, B. van Vliet, F. |
| Copyright Year | 2012 |
| Description | Author affiliation: University of Twente, Enschede, The Netherlands (Soer, M.; Klumperink, E.; Nauta, B.; van Vliet, F.) |
| Abstract | Phased arrays in CMOS for consumer communication bands aim to enhance receiver performance by exploiting beamforming with antenna arrays. Sensitivity increases with the number of antenna elements through array gain and interferers can be cancelled through the spatial filtering of the beam pattern [1]. For the latter, the linearity of the receiver before the beamforming summing point becomes a bottleneck as interferers are not cancelled yet. Phase shifting in the LO domain reduces the complexity in the signal path and enables the use of linear signal blocks, but has high requirements on the multiphase LO generation [2]. On the other hand, a switched-capacitor phase shifter can be very linear, but is limited by the linearity of the necessary input matching and element summing g-stages [3]. This paper proposes a fully passive phased-array receiver front-end which implements impedance matching, phase shifting and element summing with only switched-capacitor stages for a high linearity. |
| Starting Page | 174 |
| Ending Page | 176 |
| File Size | 349023 |
| Page Count | 3 |
| File Format | |
| ISBN | 9781467303767 |
| ISSN | 01936530 |
| e-ISBN | 9781467303774 |
| DOI | 10.1109/ISSCC.2012.6176965 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-02-19 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Receivers Capacitors Clocks Array signal processing Mixers Finite element methods Switches |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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