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ESD protection for RF power amplifier circuits
ESD protection for RF power amplifier circuits
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机译:射频功率放大器电路的ESD保护
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摘要
An electrostatic discharge (ESD) device for protecting a power amplifier circuit is disclosed. The ESD device comprises a first ESD protection circuit coupled between a positive terminal of a supply voltage and a negative terminal of the supply voltage, and a second ESD protection circuit coupled between the negative terminal of the supply voltage and an output terminal of the power amplifier circuit, wherein a first current path is formed from the positive terminal to the output terminal through the first and second ESD protection circuits. A circuit device operative to increase impedance of a second current path from the positive terminal to the output terminal through the power amplifier circuit to divert current from the second current path to the first current path in the course of an ESD event.
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