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Irradiated DS pulses beneath HPM and UWB are capable of disturbing the signal processing or even destroying the semiconductor structure. This paper presents the History of DS sources and their physical and electronic working principle, their technology and the potential application fields. [ABSTRACT FROM AUTHOR]

In this paper, an order reduction technique for higher-dimensional nonlinear oscillator models, based on a center manifold approach, is presented. By modeling the oscillator circuit in the higher-dimensional state space, influences of parasitic elements and of structural extensions of the oscillator architecture on the dynamical system behavior can be examined. Using the proposed order reduction technique, a generalized second order model will be derived, which includes selected design parameters of the higher order model. By using an Andronov-Hopf bifurcation analysis, the reduced system can be studied with respect to stability as well as the amplitude and frequency of the individual state variables. The concept is applied to the design of LC-tank VCOs. [ABSTRACT FROM AUTHOR]