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A flower-shaped dual-band four port MIMO antenna with novel DGS for 5G mmWave applications. [PDF]

open access: yesPLoS One
Bendaoued M   +7 more
europepmc   +1 more source
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Broadband electrical impedance matching for piezoelectric ultrasound transducers

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2011
This paper presents a systematic method for designing broadband electrical impedance matching networks for piezoelectric ultrasound transducers. The design process involves three steps: 1) determine the equivalent circuit of the unmatched piezoelectric transducer based on its measured admittance; 2) design a set of impedance matching networks using a ...
Haiying Huang
exaly   +3 more sources

Electrical Impedance Matching Between Piezoelectric Transducer and Power Amplifier

IEEE Sensors Journal, 2020
Electrical impedance matching network (EIMN) is important for the piezoelectric transducer to transmit high-power acoustic signal over a wide bandwidth. Different from the impedance matching between transducers and interface devices with a fixed impedance of $50\Omega $ , this paper presents a novel method of designing an EIMN between transducer ...
Hanyun Zhou, S H Huang
exaly   +2 more sources

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