Search Results - "Ngoya, E"

On the Continuous-Time Model for Nonlinear-Memory Modeling of RF Power Amplifiers by Ngoya, E., Quindroit, C., Nebus, J.M.

“…The RF front-end in modern communication systems is faced with variable envelope and large bandwidth signals (including desired signals and large interferers),…”
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EM/Circuit Mixed Simulation Technique for an Active Antenna by El Nashef, Georges Zakka, Torres, F, Mons, S, Reveyrand, T, Monediere, T, Ngoya, E, Quere, R

“…Today's increase of functions, improvement of performance, and cost reductions required on an active electronically scanned array (AESA), associated to the…”
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Time-domain envelope measurements for characterization and behavioral modeling of nonlinear devices with memory by Macraigne, F., Reveyrand, T., Neveux, G., Barataud, D., Nebus, J.-M., Soury, A., NGoya, E.

“…This paper presents a calibrated four-channel measurement system for the characterization of nonlinear RF devices such as power amplifiers. The main goal of…”
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Envelop transient analysis: a new method for the transient and steady state analysis of microwave communication circuits and systems by Ngoya, E., Larcheveque, R.

“…The two popular and general purpose simulation techniques, Time Domain Integration and Harmonic Balance, do not fulfil the requirement for analysis of…”
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A new behavioral model taking into account nonlinear memory effects and transient behaviors in wideband SSPAs by Soury, A., Ngoya, E., Nebus, J.M.

“…Accurate and non quasi-static behavioral models of SSPAs taking into account nonlinear memory effects become of prime importance for a breakthrough in system…”
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Accurate RF and microwave system level modeling of wide band nonlinear circuits by Ngoya, E, Le Gallou, N, Nebus, J M, Buret, H, Reig, P

“…Accurate system level simulation is indispensable for efficient RF communication system design. However system level models of nonlinear circuits are today…”
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On the Cyclostationary Noise Analysis in Large RF Integrated Circuits by Ngoya, E.

“…This paper examines the issue of noise analysis in RF integrated circuits (RFICs). The complexity of the RFIC grows constantly, with transistor counts now into…”
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Analysis of low frequency memory and influence on solid state HPA intermodulation characteristics by Le Gallou, N., Nebus, J.M., Ngoya, E., Buret, H.

“…A theoretical analysis using two-tone simulations and practical measurements of low frequency memory impact on third order intermodulation (IM3) on HBT as well…”
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Rigorous RF and microwave oscillator phase noise calculation by envelope transient technique by Ngoya, E., Rousset, J., Argollo, D.

“…A novel method is presented which allows accurate calculation of RF and microwave oscillator phase noise. A thorough frequency domain amplitude and phase noise…”
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An improved behavioral modeling technique for high power amplifiers with memory by Le Gallou, N., Ngoya, E., Buret, H., Barataud, D., Nebus, J.M.

“…The introduction of frequency dependence in system level nonlinear behavioral models is of prime importance as wideband signals are going to be massively used…”
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A reliable methodology for experimental extraction of power amplifier dynamic volterra model by Gapillout, D., Maziere, C., Ngoya, E., Mons, S.

“…High power amplifiers (PA) are inherently nonlinear and have an important impact on RF front-ends behavior. Then, for designing a transceiver system, accurate…”
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Integer-N PLLs Verification Methodology: Large Signal Steady State and Noise Analysis by Bo Wang, Ngoya, E.

“…The need for accurate and fast verification of the phase locked loop (PLL) circuits is a designers' important concern before the chip tape-out. This paper…”
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Newton-Raphson iteration speed-up algorithm for the solution of nonlinear circuit equations in general-purpose CAD programs by Ngoya, E., Rousset, J., Obregon, J.J.

“…The Newton-Raphson method is usually adopted for the solution of nonlinear circuit equations. However, it is well known that convergence of Newton's scheme is…”
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Calculation of the steady-state oscillations of a clarinet using the harmonic balance technique by GILBERT, J, KERGOMARD, J, NGOYA, E

“…The harmonic balance technique is known as a time-frequency simulation technique used for the study of large signal regimes of microwave circuits driven in…”
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Ka band power pHEMT technology for space power flip-chip assembly by Rogeaux, E., Fraysse, J.-P., Schaffauser, C., George, S., Pons, D., Fellon, P., Geiger, D., Theron, D., Haese, N., Verdeyme, S., Quere, R., Baillargeat, D., Ngoya, E., Long, S., Escotte, L.

“…This paper proposes a released power pHEMT process for flip-chip mounting. The potential of this flip-chip process is demonstrated for power and low-noise…”
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Compressed transient analysis speeds up the periodic steady state analysis of nonlinear microwave circuits by Larcheveque, R., Ngoya, E.

“…Harmonic Balance is nowadays the most efficient method for the periodic steady state analysis of microwave circuits. Unfortunately this method cannot…”
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SCERNE, an efficient CAD tool for the modeling of RF and Mixed blocks by Mons, S, Ngoya, E, Quere, R, Mazeau, J, Decaesteke, T, Martinaud, J P, Layec, A, Phelion, O, Dallet, D, Reptin, F, Douhkan, F, Lacombe, P, Lesage, J M

“…This paper gives an overview of the SCERNE project, started in February 2008 for a duration of 3 years. The main objective is to allow significant advances in…”
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Bilateral S parameters model for time domain system simulation by Mehdi, H, Bennadji, A, Mons, S, Ngoya, E, Quere, R

“…This paper focuses on behavioral modelling of passive RF blocks from frequency domain samples. This model has been implemented in Scilab/Scicos software which…”
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Modeling memory effects in nonlinear subsystems by dynamic Volterra series by Ngoya, E., Soury, A.

“…Design challenges resulting from single chip integration of RF and microwave transceivers is requiring both more powerful analog simulation techniques and more…”
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Large signal design of broadband monolithic microwave frequency dividers and phase-locked oscillators by Quere, R., Ngoya, E., Camiade, M., Suarez, A., Hessane, M., Obregon, J.

“…This paper presents a design method for phaselocked devices such as frequency dividers or injection-locked oscillators. The method requires a full nonlinear…”
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