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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Frydel, J. Pienkowski, D. Dobrowolski, J.A. Buntkowsky, G. |
| Copyright Year | 2006 |
| Description | Author affiliation: Free Univ. of Berlin, Berlin (Frydel, J.) |
| Abstract | Radio frequency (abbr.: RF) techniques constitute a very useful tool in studies on biologic and chemical systems, therefore it is employed in Nuclear Magnetic Resonance (abbr.: NMR) techniques. In order to make use of it, there is a need of designing and modelling of NMR probes. These NMR probes exemplify single-or multi-port radio frequency multiplexers. The NMR probe undergoing analysis is comprised of an impedance tuned and matched coaxial transmission line network terminated with a single sample coil, and multiple RF input-output connections adapted to 50 Ohm standard by means of tuning and matching capacitors. The comparison of scattering matrix elements S(i,i) (reflection coefficients) of both theoretically simulated and constructed a five channel transmission line frequency multiplexer probe of J.Schaefer & R.McKay type is presented. The S-matrix transmission coefficients: S(i,j), ine j, are presented for a "real" multiplexer only, due to the importance of the real NMR probe performance. So called calibration spectra obtained with the multiplexer probe are shown as well. |
| Starting Page | 365 |
| Ending Page | 368 |
| File Size | 1365289 |
| Page Count | 4 |
| File Format | |
| ISBN | 9788390666273 |
| DOI | 10.1109/MIKON.2006.4345192 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-05-22 |
| Publisher Place | Poland |
| Access Restriction | Subscribed |
| Rights Holder | Telecommunications Research Institute |
| Subject Keyword | Transmission line matrix methods Solid modeling Scattering parameters Transmission line theory Multiplexing Solid state circuits Nuclear magnetic resonance Probes Radio frequency Biological system modeling |
| Content Type | Text |
| Resource Type | Article |
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