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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Nakhkoob, B. Hella, M.M. |
| Copyright Year | 2012 |
| Description | Author affiliation: ECSE Department, Rensselaer Polytechnic Institute, Troy, NY 12180, USA (Nakhkoob, B.; Hella, M.M.) |
| Abstract | A wideband, high gain, and low noise optical receiver targeting imaging architectures for optical wireless communications is presented. For line of sight tracking in optical wireless communications, a switching matrix is employed between the pixel/photodetctor array and the transimpedance amplifier. The optical receiver consists of a low noise wideband TIA, where noise and stability are optimized in the presence of the switch, using a series inductor at the input. The TIA is followed by a limiter with offset cancellation and 50 Ω output buffer capable of 900 mv p-p differential output swing over the 50 Ω resistance of measurement equipment. The receiver implemented in IBM 130nm CMOS technology achieves a bit error rate of $10^{−12}$ at 5 Gbps corresponding to 2.8 µA current at the input, in presence of 1 pF input capacitance representing the photodiode. The total power consumption including the on chip 50 Ω differential output buffer is 68 mW from 1.5V DC supply, while the die area including bonding pads and output buffer is 1106 × 895 $µm^{2}.$ |
| Starting Page | 327 |
| Ending Page | 330 |
| File Size | 1635485 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781467304139 |
| ISSN | 15292517 |
| e-ISBN | 9781467304160 |
| e-ISBN | 9781467304153 |
| DOI | 10.1109/RFIC.2012.6242292 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-06-17 |
| Publisher Place | Canada |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Noise Optical switches Optical receivers Resistors Bandwidth Lownoise amplifiers CMOS image sensors |
| Content Type | Text |
| Resource Type | Article |
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