Naslov
Towards Optimal Noise Properties of NMR Antenna- Receiver Chain

Autori
Kolar, Petar ; Hrabar, Silvio ; Grbić, Mihael S.

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of EuCAP 2017 / - , 2017, 1057-1059

Skup
11th European Conference on Antennas and Propagation (EuCAP 2017)

Mjesto i datum
Pariz, Francuska, 19.03.2017. - 24.03.2017

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
loop antenna, NMR, noise figure, sensitivity

Sažetak
A role of a small loop antenna, that acts as a probe in standard NMR systems, is reviewed. It is shown that the noise properties of a whole system are not always dictated just by proper resonant matching of the antenna and the use of high- quality pre-amplifier (as it is usually believed). Actually, the losses and mismatch of all other passive components may have a serious impact on the overall chain sensitivity. A simple theoretical and experimental investigation has shown that careful design of the NMR antenna- receiver chain can substantially decrease the overall noise figure, and therefore increase the system sensitivity.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Elektrotehnika, Informacijske i komunikacijske znanosti

POVEZANOST RADA