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Simulation of Common-mode Chokes in QUCS and LTspice; WE Webinar

March 26 @ 16:00 - 17:00 CET

Simulation of Common-mode Chokes in QUCS and LTspice

Tue, 26th March 2024 @16:00 CET

In this webinar we demonstrate how common-mode chokes, which represent an essential component for filtering of common-mode noise in electronics, can be used in the simulation tools QUCS and LTspice®.

By means of LTspice® it is illustrated how measured scattering parameters of those components are embedded into existing circuits. The results are compared to the models from the standard library which are based on an equivalent circuit.

It also shows how 4-port simulations can be carried out under LT-Spice with the aid of a special circuit. With the help of a template for the simulation tool QUCS it is shown how various parameters of common-mode chokes can be derived from the scattering parameters.


Steffen Schulze
Field Application Engineer, Würth Elektronik
Simon Mark
Simulations Manager, Würth Elektronik


March 26
16:00 - 17:00 CET




Würth Elektronik
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