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An operational amplifier (op-amp) is a differential voltage amplifier with a wide range of applications in analog electronics. This tutorial models an op-amp connected to a feedback loop and a capacitive load. The op-amp is modeled as an equivalent linear subcircuit in the Electrical ... 詳細を見る

This model shows how to combine an electric circuit simulation with a finite element simulation. The finite element model is an inductor with a nonlinear magnetic core and 1000 turns, where the number of turns is modeled using a distributed current technique. The circuit is imported ... 詳細を見る

小型加熱回路は, さまざまな用途で使用されています. たとえば, 製造プロセスでは, 反応性流体を加熱します. このチュートリアルの例のデバイスは, ガラス板に堆積された電気抵抗層で構成されています. 回路に電圧が加えられると, この層によってジュール熱が発生し, 構造が変形します. 層の特性によって, 生成される熱量が決まります. このマルチフィジックスの例では, 加熱回路デバイスの電気熱生成, 熱伝達, 機械的応力と変形をシミュレートします. このモデルでは, 伝熱 (固体) インターフェースを, 電流 (積層シェル) ... 詳細を見る

HowTo: Using the EC External I-Terminal The External Couplings in the CIR interface has two flavors that can be used. External I vs. U and External I-terminal. The former has two nodes (it represents a differential external voltage measurement) and when coupling to an EC Terminal ... 詳細を見る

A transient model of a capacitor is solved in combination with an external electrical circuit. The finite element model of the capacitor is combined with a circuit model of a voltage source and a resistor. A step change in voltage is applied, and the transient current through the ... 詳細を見る

This tutorial model shows how to model a microspeaker located in a smart phone including the radiation through and interaction with the acoustic port that connects to the exterior. The model demonstrates a linear frequency domain analysis as well as a nonlinear time domain analysis. A ... 詳細を見る

これは, マルチターンの一次コイルと二次コイルに均質化アプローチを使用した単相 E コア変圧器の過渡モデルです. このモデルには, コアの磁気飽和 (B-H 曲線) の影響が含まれており, 電気回路インターフェースを使用して変圧器モデルを外部回路に接続する方法を示しています. シミュレーションは, 1つの巻数比の場合と 1000 の巻数比の場合の2つの異なるケースで実行されます. 詳細を見る

RFIDs are used in a multitude of applications such as tracking or identifying consumer products and their packaging. An RFID system consists of two main parts: A tag or transponder with a printed circuit-board (PCB) antenna A reader unit with a larger RF antennaThe reader antenna ... 詳細を見る

An automotive midwoofer is modeled using the lumped parameter approach. The electrical and mechanical components are modeled using a lumped electric circuit, which is coupled to a finite element model for the acoustics using the Lumped Speaker Boundary feature. The large signal ... 詳細を見る

This is a full vibro-electroacoustic simulation of a balanced armature transducer (BAT or also known as a receiver in some industries) which is a high-performance miniature loudspeaker often used in hearing aids and other in-ear audio products such as earbuds. The model is set up and ... 詳細を見る