按照器件手册推荐的Rf做稳定性仿真,但增益裕度一直不满足≤-10dB,想请教是哪里出了问题呢
想要实现7V/V和20V/V的电压反馈放大
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您好
感谢您对于我们的信任!
基于您分享资料,给您推荐以下工具来辅助您设计
https://www.ti.com.cn/tool/ANALOG-ENGINEER-CALC
官方模拟计算工具,辅助您匹配参数。
增益裕度不达标的核心原因通常与解补偿特性未被充分补偿或寄生参数未精确建模有关。建议优先优化反馈网络中的 Cf