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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kumar, A. Pathak, N.P. |
| Copyright Year | 2014 |
| Description | Author affiliation: Dept. of Electron. & Commun. Eng., Indian Inst. of Technol., Roorkee, Roorkee, India (Kumar, A.; Pathak, N.P.) |
| Abstract | A Compact Concurrent dual-band Reconfigurable Wilkinson power divider (WPD) for noninvasive human vital signs detection is reported in this paper. The Tuning element is incorporated into the shunt element of the dual-band impedance transformer of the concurrent dual-band WPD circuit. Design approach along with design equations is provided to enhance further design utility. Tunability of both bands (2.45/5.25 GHz) is investigated using a single varactor diode thereby resulting compact size and less cost. The performance of the WPD as a function of various tuning voltages is studied in detail. A hardware prototype is realized to work at WLAN bands and exhibiting a total tunability bandwidth of 385 MHz and 735 MHz at lower and upper frequency bands, respectively, for a varactor voltages varying from 0-15 V. The calculated and measured results are in good agreement. The measurement analysis shows that the proposed compact reconfigurable dual-band WPD can be used as a subsystem in a noninvasive multi-band RF vital sign detection system for the better detection of human vital signs such as heartbeats and respiration rate. |
| Starting Page | 434 |
| Ending Page | 437 |
| File Size | 1426209 |
| Page Count | 4 |
| File Format | |
| e-ISBN | 9781479931408 |
| DOI | 10.1109/ICSPCT.2014.6885006 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-07-12 |
| Publisher Place | India |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Power dividers Dual-band Voltage measurement Transmitters Vital sign detection Wilkinson power divider Dual band Concurrent Capacitance Size measurement Mixers Reconfigurable |
| Content Type | Text |
| Resource Type | Article |
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