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New Matching Methodology of Low-Noise Amplifier with ESD Protection
Ming-Dou Ker
Nanoelectronics and Gigascale Systems Laboratory
National Chiao-Tung University
Abstract—A new matching design of Low-Noise Amplifier (LNA) with ESD protection is proposed and implemented in an ESD-protected LNA, which manipulates the parasitic capacitance of ESD protection device as a core part of LNA matching network. Without significant degradation on RF performance, 4.5-kV Human-Body-Model (HBM) and 250-V Machine-Model (MM) ESD levels can be achieved. The low RF-performance degradation and high ESD immunity can be simultaneously realized in a simple matching structure without extra circuit components dealing with ESD parasitics in a multi-GHz LNA. |
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