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运算放大器选型推荐,谢谢

目前使用了凌特尔公司的一颗料,LTC6268-10 - 4GHz 超低偏置电流 FET 输入运算放大器,但是上电之后噪声已经达到20mv的Vpp,请TI工程师推荐一颗指标相近的放大器,谢谢