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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Zhicheng Lin Pui-In Mak Martins, R. |
| Copyright Year | 2013 |
| Description | Author affiliation: Univ. of Macau, Macao, China (Zhicheng Lin; Pui-In Mak; Martins, R.) |
| Abstract | Nanoscale CMOS offers sufficiently high $f_{t}$ and low $V_{t}$ favoring the design of ultra-low-power wireless receivers (RX) via stacking the RF-to-BB functions in one cell, while sharing the smallest possible bias current. Also, the signals can be conveyed in the current domain to enhance the area efficiency (i.e., no AC-coupling capacitor), RF bandwidth and linearity at those inner nodes. The 2.4GHz LMV cell [1] for ZigBee RX is an example that unifies one LNA, two mixers (I/Q) and one VCO. The power is low (2.4mW), but the NF, gain and $S_{11}$ are sensitive to its external high-Q inductor that performs narrowband input match and passive gain boost. Although one VCO (i.e., one inductor) can save area and power, the I/Q generator has to be placed in the RF path. Realized as a $g_{m}-C$ network, it suffers from a 3dB gain loss deteriorating the RX NF (12dB), while rendering the I/Q accuracy more susceptible to process variation. |
| Sponsorship | IEEE Solid-State Circuits Soc. |
| Starting Page | 448 |
| Ending Page | 449 |
| File Size | 330412 |
| Page Count | 2 |
| File Format | |
| ISBN | 9781467345156 |
| ISSN | 01936530 |
| e-ISBN | 9781467345163 |
| DOI | 10.1109/ISSCC.2013.6487809 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-02-17 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Noise measurement Mixers Solid state circuits Zigbee CMOS integrated circuits Inductors Wideband |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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