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IC EMI FILTER WITH ESD PROTECTION INCORPORATING LC RESONANCE TANKS FOR REJECTION ENHANCEMENT
IC EMI FILTER WITH ESD PROTECTION INCORPORATING LC RESONANCE TANKS FOR REJECTION ENHANCEMENT
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机译:具有ESD保护功能的IC EMI滤波器包含LC谐振槽,用于增强抑制
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摘要
An integrated circuit (IC) electromagnetic interference (EMI) filter with electrostatic discharge (ESD) protection incorporating inductor-capacitor (LC) resonance tanks is disclosed. The filter comprises at least one circuit composed of a diode and an inductor connected in series, wherein the diode induces a parasitic capacitance and the circuit is grounded. When a number of the circuit is two, a passive element is coupled between the two inductors and cooperates with them to induce two parasitic capacitances connected with the circuits. When a number of the circuit is one, two diodes respectively connect with the inductor through two passive elements. Each diode can induce a parasitic capacitance. The two passive elements and the inductor can induce a parasitic capacitance connected with the circuit.
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