Search Results - "Nielsen, Troels S."

Framework for dimensioning battery energy storage systems with applied multi-tasking strategies in microgrids by Nielsen, Troels S., Thomsen, Jens S. P., Santos, Athila Q., Kaad, Jutte

“…The shifting from the traditional centralized electric sector to a distributed and renewable system presents some challenges. Battery energy storage…”
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Wideband Active Load-Pull by Device Output Match Compensation Using a Vector Network Analyzer by Angelotti, Alberto Maria, Gibiino, Gian Piero, Nielsen, Troels S., Schreurs, Dominique, Santarelli, Alberto

“…This work investigates wideband active load-pull (WALP) on microwave electron devices with a standard vector network analyzer (VNA), solely using calibrated…”
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Time-Efficient Adaptive Procedure for Identification of Multitone X-Parameters by Lukasik, Konstanty, Barmuta, Pawel, Nielsen, Troels S., Wiatr, Wojciech, Schreurs, Dominique M. M.-P.

“…A novel measurement procedure for the time-efficient identification of multitone <inline-formula> <tex-math notation="LaTeX">X…”
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Enhanced Wideband Active Load-Pull with a Vector Network Analyzer Using Modulated Excitations and Device Output Match Compensation by Angelotti, Alberto Maria, Gibiino, Gian Piero, Nielsen, Troels S., Schreurs, Dominique, Santarelli, Alberto

“…This work presents a wideband active load pull setup for active device characterization under modulated excitations. The setup, differently from approaches…”
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Design and Evaluation of Nonlinear Verification Device for Nonlinear Vector Network Analyzers by Rajabi, Mohammad, Humphreys, David A., Avolio, Gustavo, Barmuta, Pawel, Lukasik, Konstanty R., Nielsen, Troels S., Schreurs, Dominique M. M.-P.

“…A simple diode-based nonlinear verification device (NVD) design for nonlinear vector network analyzers is presented together with an improved figure of merit…”
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Combined Wideband Active Load-Pull and Modulation Distortion Characterization with a Vector Network Analyzer by Angelotti, Alberto M., Gibiino, Gian Piero, Santarelli, Alberto, Nielsen, Troels S., Verspecht, Jan

“…We present a demonstrator set-up for amplifier error-vector magnitude (EVM) characterization in the presence of wideband load termination arbitrarily set by…”
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Impact of Broadband Modulation in Active Load-Pull On-Wafer Measurements of GaN HEMTs by Angelotti, Alberto Maria, Gibiino, Gian Piero, Nielsen, Troels S., Santarelli, Alberto, Verspecht, Jan

“…This work deals with the impact of broadband modulated excitations on the load-pull characterization of gallium nitride (GaN) on-wafer high-electron-mobility…”
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Multisine decomposition algorithm for RF power amplifier characterization by Palmisano, Davide, Galasso, Andrea, Guaragnella, Cataldo, Tafuri, Felice Francesco, Nielsen, Troels S., Jensen, Ole K., Mikkelsen, Jan H.

“…This paper presents an algorithm for the generation of a multisine signal capable of accurately mimicking bandwidth and first order statistics such as the…”
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The development of microwave power amplifiers and nonlinear measurement systems - is the measurement systems manufacturer still lead by the PA designer? by Mikkelsen, Jan H., Tafuri, Felice F., Nielsen, Troels S., Ming Shen, Wei Wei, Jensen, Ole K.

“…Developments within modern nonlinear measurement systems offer an increasing degree of flexibility to the microwave power amplifier (PA) designer. The PA…”
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Large-signal hybrid compact/behavioral HBT model for III-V technology power amplifiers by Nielsen, Troels S., Nedeljkovic, Sonja, Halchin, Dave

“…This paper presents a large-signal hetrojunction bipolar transistor model for III-V technologies. A standard HBT compact model is demonstrated accurate in most…”
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GaN HEMT device modeling using X-parameters with emphasis on complexity reduction of harmonic load-pull measurement by Wang, Yelin, Nielsen, Troels S., Jensen, Ole K., Larsen, Torben

“…To characterize a power transistor, a fully harmonic load-pull test setup is normally required, which leads to relatively high complexity of the measurement…”
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X-parameter based GaN device modeling and its application to a high-efficiency PA design by Yelin Wang, Nielsen, Troels S., Jensen, Ole K., Larsen, Torben

“…X-parameters are supersets of S-parameters and applicable to both linear and nonlinear system modeling. In this paper, a packaged 6 W Gallium Nitride (GaN) RF…”
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Pulsed NVNA measurements for dynamic characterization of RF PAs by Gibiino, Gian Piero, Tafuri, Felice Francesco, Nielsen, Troels S., Schreurs, Dominique, Santarelli, Alberto

“…Due to the ever increasing design complexity and bandwidth requirements, it has become increasingly more challenging to achieve an accurate large-signal…”
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Systematic procedure for load-pull X-parameters measurements for high-efficiency GaN HEMT PA design by Zawada, Pawel, Barmuta, Pawel, Nielsen, Troels S., Schreurs, Dominique, Lewandowski, Arkadiusz

“…In this paper, the X-parameters load-pull measurements for high-efficiency multi-band power amplifier design are described. A commercially available 10 W Cree…”
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Fast predistorter adaptation to varying antenna load by Nielsen, T.S., Lindfors, S.

“…The effect of varying power amplifier (PA) output VSWR is studied in a workfunction predistorter system. The resistive load of a commercially available W-CDMA…”
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Modeling power amplifiers with antenna mismatch by Nielsen, T.S., Lindfors, S., Tawfik, S., Larsen, T.

“…The paper presents an approach for behavioral level power amplifier modeling with antenna mismatch. The derived model is based on device large signal…”
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Practical considerations for high-power X-parameter measurements for power amplifier design by Nielsen, T. S., Gillease, C., Torres, V.

“…This paper presents a measurement system that is capable of characterizing and modeling high-power (>;250W) RF devices outside the standard 50Q environment…”
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High-power, high-efficiency power amplifier reference design in III-V wide bandgap gallium nitride technology using nonlinear vector network analyzer and X-parameters by Nielsen, T. S., Madsen, U. R., Dieudonne, M.

“…This paper presents a complete power amplifier design using new Nonlinear Vector Network Analyzer (NVNA) and X-parameter technologies. A high-power, pulsed…”
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Repetitive intradermal capsaicin: differential effect on pain and areas of allodynia and punctate hyperalgesia by Witting, Peter Svensson, Lars Arendt-Nielsen, Troels S. Jensen, Nanna

“…This study examined the effect of repeated intradermal capsaicin injections on capsaicin pain intensity and areas of allodynia and punctate hyperalgesia…”
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On wafer X-parameter based modeling of a switching cascode power amplifier by Yelin Wang, Sira, D., Nielsen, T. S., Jensen, O. K., Larsen, T.

“…X-parameters have been introduced as the natural extension of S-parameters capable of characterizing a nonlinear device excited by a large-signal input. This…”
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