Frequency and time domain modeling of high speed amplifier

Katarzyna Opalska

doi:10.1117/12.2205603

11 September 2015 Frequency and time domain modeling of high speed amplifier

Katarzyna Opalska

Proceedings Volume 9662, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2015; 96624B (2015) https://doi.org/10.1117/12.2205603
Event: XXXVI Symposium on Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments (Wilga 2015), 2015, Wilga, Poland

Abstract

The paper presents the lumped model of high speed amplifier useful for frequency and time domain (also large signal) simulation. Model is constructed on the basis of two-domain device measurements, namely small signal frequency parameters and time response to the input step of varying amplitude. Rational approximation of frequency domain data leads to small signal model composed of RLC subcircuits and controlled sources. Next, the model is complimented with the nonlinearities identified from time-domain measurements, including those taken for large input signals. Final amplifier model implemented in SPICE simulator is shown to correctly render the behavior of the device over the wide variety of operating conditions.

Citation Download Citation

Katarzyna Opalska "Frequency and time domain modeling of high speed amplifier", Proc. SPIE 9662, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2015, 96624B (11 September 2015); https://doi.org/10.1117/12.2205603

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