From 82a4fa6000febf867be700da968395342f52bd6f Mon Sep 17 00:00:00 2001
From: "lion.chan" <cy187lion@sina.com>
Date: Thu, 8 Sep 2022 09:20:13 +0800
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Signed-off-by: lion.chan <cy187lion@sina.com>
---
 Hardware/Peripherals/OPA/运放特性参数说明.md  | 7 +++++++
 Software/Applications/KiCAD/KiCAD_简要说明.md | 2 ++
 2 files changed, 9 insertions(+)
 create mode 100644 Hardware/Peripherals/OPA/运放特性参数说明.md

diff --git a/Hardware/Peripherals/OPA/运放特性参数说明.md b/Hardware/Peripherals/OPA/运放特性参数说明.md
new file mode 100644
index 0000000..814bb0f
--- /dev/null
+++ b/Hardware/Peripherals/OPA/运放特性参数说明.md
@@ -0,0 +1,7 @@
+# 运放特性参数说明
+
+## Voltage Output Swing from Rail
+
+该参数说明了运放输出到 Positive Rail (V+) 和 Negative Rail (V-) 之间的压差，受输出电流 $I_{out}$ 和工作温度的影响，输出电流越小运放的实际输出可以越接近 Rail。
+
+假设该参数为 50mV，则表示实际输出电压范围为 $V_{cc-}+50mV$ 到 $V_{cc+}-50mV$ 之间。
diff --git a/Software/Applications/KiCAD/KiCAD_简要说明.md b/Software/Applications/KiCAD/KiCAD_简要说明.md
index 03f0824..de4bc5c 100644
--- a/Software/Applications/KiCAD/KiCAD_简要说明.md
+++ b/Software/Applications/KiCAD/KiCAD_简要说明.md
@@ -10,3 +10,5 @@ TODO:
 6. <https://rationmcu.com/elecjc/2264.html>
 7. <https://www.jb51.net/softjc/825363.html>
 8. <https://blog.csdn.net/github_33678609/article/details/106931015>
+9. <https://blog.csdn.net/Romeo_tune/article/details/117426512>
+10. <https://blog.csdn.net/weixin_42415177/article/details/100733592>