From e4ceb32134afe1d1e09980eaec9b60d5f323ef6a Mon Sep 17 00:00:00 2001
From: occheung <dc@m-labs.hk>
Date: Mon, 10 Jan 2022 16:08:31 +0800
Subject: [PATCH] 4410: confirm that dds amplitude at net positive input

---
 4410-4412.tex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/4410-4412.tex b/4410-4412.tex
index 314994b..4877eef 100644
--- a/4410-4412.tex
+++ b/4410-4412.tex
@@ -911,7 +911,7 @@ Next, setup the PI control as an IIR filter. It has -1 proportional gain $k_p$ a
 \end{minted}
 
 Then, configure the DDS frequency to 10 MHz with 3V input offset.
-At input offset voltage, the DDS output amplitude is 0.
+When input voltage $\geq$ offset voltage, the DDS output amplitude is 0.
 
 \begin{minted}{python}
     self.channel.set_dds(