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https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1380067/opa855-when-the-opa855-is-designed-for-tia-what-is-the-maximum-closed-loop-bandwidth-it-can-achieve
工具与软件：
大家好！
我目前准备使用 OPA855构建 TIA 电路、我想使 TIA 带宽高达1.7GHz、并根据 TIA 计算器的值进行设计。 但仿真带宽无法达到1.7GHz。 我想知道我的电路有什么问题吗？ 或者 OPA855的闭环增益无法达到1.7GHz？
您好、Xinyi：
我正在关闭此主题、因为它是此主线程的重复主题： https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1380423/opa855-opa855-when-the-opa855-is-designed-for-tia-what-is-the-maximum-closed-loop-bandwidth-it-can-achieve
此致！
ALEC
