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- Frans Verbeyst, Marc Vanden Bossche
- 1994

— This paper presents the Volterra input-output map as an extension of the S-parameters towards weakly nonlinear RF and microwave devices. This 'VIOMAP' can be measured and it can be used to predict the behavior of cascaded nonlinear two-ports.

- Jan Verspecht, Frans Verbeyst, Marc Vanden Bossche
- 2002

In this paper we present a new measurement solution for the characterization of high frequency devices under large signal operating conditions. It is shown how a device-under-test (DUT) is put under large signal operating conditions and how one then measures the voltage and current waveforms at the signal ports in order to completely and accurately… (More)

- J Verspecht, M Vanden Bossche, F Verbeyst, Jan Verspecht, Marc Vanden Bossche, Frans Verbeyst
- 1997

A measurement and black-box modeling technique is described enabling the characterization of nonlinear microwave components under periodic large-signal excitation. First, the mathematical model is theoretically described. The model is based on the assumption that the superposition principle holds for the effect of all spectral components, except the… (More)

- Donald C Degroot, Paul D Hale, Marc Vanden Bossche, Frans Verbeyst, Jan Verspecht
- 2000

We analyze the input networks of the samplers used in the nose-to-nose calibration method. Our model demonstrates that the required input network conditions are satisfied in this method and shows the interconnection errors are limited to measurement uncertainties of input reflection coefficients and adapter S-parameters utilized during the calibration… (More)

- Jan Verspecht, Frans Verbeyst, Marc Vanden Bossche, Patrick Van Esch
- 1999

— Novel generic frequency domain behavioural models are constructed for mixers and amplifiers. The modelling is based upon three concepts: time-invariant describing functions, linearisation and multidimensional curve fitting. The model parameters can be calculated based upon measured or simulated data. Model performance is illustrated on practical examples.

- Jan Verspecht, Frans Verbeyst, Marc Vanden Bossche
- 2000

—It is shown in this paper how the classical concept of the " network analyser " can be extended towards modulated and large-signal operating conditions. The concept is demonstrated by measuring the saturated behaviour of a MMIC amplifier, excited by modulated signals with CDMA characteristics. It is then illustrated how the measured data can be used to… (More)

- Frans Verbeyst, Marc Vanden Bossche
- 1995

— Using a nonlinear black-box model based on the Volterra theory it is possible to describe the nonlinear behavior of a high frequency amplifier. Acquiring only a strongly reduced set of measurements it is easy to predict the load impedance curves anywhere on a Smith Chart. The classic load-pull approach involves the acquisition of a large amount of data… (More)

- Jonathan Scott, Babak Behnia, Marc Vanden Bossche, Alex Cognata, Jan Verspecht, Frans Verbeyst +2 others
- 2002

- Ewout Van Damme, Jan Verspecht, Frans Verbeyst, Marc Vanden Bossche, Ewout Vandamme
- 2002

Today there is a growing importance to deal successfully with devices operating in their non-linear regions. This originates from the use of complex modulation schemes and the demand for high power-efficiency at low cost in modern (portable) telecommunication applications. Presently different measurement techniques are used to characterize the large-signal… (More)