6 papers
Unconditional Stability Analysis of N-Port Networks Based on Structured Singular Value Computation
Aimar Mateo, Ibone Lizarraga, Jorge Terrer +2
In this paper, a novel approach based on robust stability concepts and tools is introduced to evaluate the unconditional stability of microwave active -port devices. An…
Efficient Calculation of Stabilization Parameters in RF Power Amplifiers
Libe Mori, Ibone Lizarraga, Aitziber Anakabe +3
This paper proposes an efficient method for the calculation of the stabilization parameters in RF power amplifiers operating in periodic large-signal regimes. Stabilization is achi…
Pole-Zero Identification: Unveiling the Critical Dynamics of Microwave Circuits Beyond Stability Analysis
Juan-Mari Collantes, Libe Mori, Aitziber Anakabe +5
Pole-zero identification refers to the obtaining of the poles and zeros of a linear (or linearized) system described by its frequency response. This is usually done using optimizat…
Detecting Critical Resonances in Microwave Amplifiers through Noise Simulations
Juan-Mari Collantes, Nerea Otegi, Aitziber Anakabe +3
The presence of critical resonances in microwave power amplifiers has a negative impact on its behavior and performance. These critical resonances are usually predicted from pole-z…
In-Circuit Characterization of Low-Frequency Stability Margins in Power Amplifiers
Jose Manuel Gonzalez, Nerea Otegi, Aitziber Anakabe +3
Low-frequency resonances with low stability margins affect video bandwidth characteristics of power amplifiers. In this work, a non-connectorized measurement technique is presented…
Understanding the Effect of Long-Term Memory Model Parameters in Pole-Zero Identification for Stability Analysis of Power Amplifiers
Libe Mori, Aitziber Anakabe, Juan-Mari Collantes +1
Understanding the nature of potential instabilities is indispensable for the stabilization of power amplifiers. Pole-zero identification is one of the techniques that can be used t…