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Methods of achieving linear capacitance in symmetrcial and asymmetrical EMI filters with TVS
Methods of achieving linear capacitance in symmetrcial and asymmetrical EMI filters with TVS
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机译:利用TVS在对称和非对称EMI滤波器中实现线性电容的方法
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摘要
A transient voltage suppressing (TVS) circuit with uni-directional blocking and symmetric bi-directional blocking capabilities integrated with an electromagnetic interference (EMI) filter supported on a semiconductor substrate of a first conductivity type. The TVS circuit integrated with the EMI filter further includes a ground terminal disposed on the surface for the symmetric bi-directional blocking structure and at the bottom of the semiconductor substrate for the uni-directional blocking structure and an input and an output terminal disposed on a top surface with at least a Zener diode and a plurality of capacitors disposed in the semiconductor substrate to couple the ground terminal to the input and output terminals with a direct capacitive coupling without an intermediate floating body region.
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