Search Results - "Neo, W.C.E."

A 90-W Peak Power GaN Outphasing Amplifier With Optimum Input Signal Conditioning by Qureshi, J.H., Pelk, M.J., Marchetti, M., Neo, W.C.E., Gajadharsing, J.R., van der Heijden, M.P., de Vreede, L.C.N.

“…A 90-W peak-power 2.14-GHz improved GaN outphasing amplifier with 50.5% average efficiency for wideband code division multiple access (W-CDMA) signals is…”
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Adaptive Multi-Band Multi-Mode Power Amplifier Using Integrated Varactor-Based Tunable Matching Networks by Neo, W.C.E., Yu Lin, Xiao-dong Liu, de Vreede, L.C.N., Larson, L.E., Spirito, M., Pelk, M.J., Buisman, K., Akhnoukh, A., Anton de Graauw, Nanver, L.K.

“…This paper presents a multi-band multi-mode class-AB power amplifier, which utilizes continuously tunable input and output matching networks integrated in a…”
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A Mixed-Signal Approach Towards Linear and Efficient N-Way Doherty Amplifiers by Neo, W.C.E., Qureshi, J., Pelk, M.J., Gajadharsing, J.R., de Vreede, L.C.N.

“…A mixed-signal approach for the design and testing of high-performance N-way Doherty amplifiers is introduced. In support of this, an analysis of N-way…”
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Improved hybrid SiGe HBT class-AB power amplifier efficiency using varactor-based tunable matching networks by Neo, W.C.E., Liu, X., Lin, Y., de Vreede, L.C.N., Larson, L.E., Spirito, S., Akhnoukh, A., de Graauw, A., Nanver, L.K.

“…This paper presents a 1.8GHz prototype class-AB power amplifier using a QUBIC4G (SiGe, f/sub t/ = 40GHz) handset device with adaptive in- and output matching…”
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A new extraction technique for the series resistances of semiconductor devices based on the intrinsic properties of bias-dependent y-parameters [bipolar transistor examples] by Cuoco, V., Neo, W.C.E., de Vreede, L.C.N., de Graaff, H.C., Nanver, L.K., Buisman, K., Wu, H.C., Jos, H.F.F., Burghartz, J.N.

“…This paper presents an approach for the extraction of the series parasitics of semiconductor devices. The approach is based on the inherently different bias…”
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The electro-thermal Smoothie database model for LDMOS devices by Cuoco, V., Neo, W.C.E., Spirito, M., Yanson, O., Nenadovic, N., de Vreede, L.C.N., Jos, H.F.F., Burghartz, J.N.

“…In this paper, we present the electro-thermal (ET) extension of the Smoothie database model for LDMOS devices together with its experimental verification. For…”
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Large signal verification of the circuit-oriented smoothie database model for LDMOS devices by Cuoco, V., Yanson, O., Hammes, P., Spirito, M., de Vreede, L.C.N., Steenwijk, A.v., Versleijen, M., Neo, W.C.E., Jos, H.F.F., Burghartz, J.N.

“…this paper, we report on the large signal verification of the Smoothie database model for LDMOS devices, specifically developed for circuit design and device…”
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A technique to linearize LDMOS power amplifiers based on derivative superposition and out-of-band impedance optimization by W.C.E. Neo, van der Heijden, M.P., de Vreede, L.C.N., Spirito, M., Cuoco, V., van Rijs, F.

“…Derivative Superposition @S) has been demonstrated in prior work to improve the linearity performance of a LDMOS power amplifier at power levels far from…”
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