| 摘要 |
The present invention relates to an electrostatic discharge (ESD) protection circuit, and more particularly to a band-pass structure electrostatic discharge protection circuit. An ESD protection circuit is disposed at the input of a radio frequency (RF) core circuit. The ESD protection circuit comprises a plurality of diodes and inductors constructing a plurality of discharging paths, wherein the diodes and inductors forms a band-pass filter structure. Such that, the RF core circuit with the ESD protection circuit of the present invention feature much higher ESD robustness and better RF performance than the conventional design.
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