From 18b03097e0eb5c2b198a2256dd4d492d27560ec4 Mon Sep 17 00:00:00 2001
From: Martin Kennedy <hurricos@gmail.com>
Date: Sun, 4 May 2025 15:47:57 -0400
Subject: [PATCH] feat: basic opamp diagram

---
 Final.tex | 42 +++++++++++++++++++-----------------------
 1 file changed, 19 insertions(+), 23 deletions(-)

diff --git a/Final.tex b/Final.tex
index 481878d..8acf12d 100644
--- a/Final.tex
+++ b/Final.tex
@@ -77,32 +77,28 @@ Please observe the conference page limits.
 
 \begin{figure}[h]
   \caption{test}
-  \begin{circuitikz}
-  \node (in_p) at (0,1.5) {$v_p$};
-  \node (in_n) at (0,0) {$v_n$};
-  \node (opamp) [plain amp,yscale=1.5,xscale=1.5] at (3,0.75) {};
-  \node (out) at (6,0.75) {};
+  \begin{circuitikz}[american voltages]
+    \node (origin) at (0,0) {$.$};
 
-  % Input resistor
-  \draw (in_p) -- (1.5,1.5) to [R=$R_i$] (1.5,0) -- (in_n);
+    \node (in_p) at (-0.5,3) {};
+    \node (ground_in_p) at (-0.75,0) {};
+    \node (high_in_p) at (-0.75,3) {};
+    \draw (high_in_p) to[open, v=$v_p$] (ground_in_p);
 
-  % Connections to the op-amp
-  \draw (1.5,1.5) -- (opamp.-);
-  \draw (1.5,0) -- (opamp.+);
+    \node (in_n) at (0,1) {};
+    \node (ground_in_n) at (0,0) {};
+    \node (high_in_n) at (0,1) {};
+    \draw (high_in_n) to[open, v=$v_n$] (ground_in_n);
+    
+    \node (opamp) [plain amp,yscale=-1.5,xscale=2] at (2,2) {};
+    \node (opamp_in_p) at (0.75,2.75) {};
+    \node (opamp_in_n) at (0.75,1.25) {};
+    \draw (opamp.-) to[short, -*] (opamp_in_n);
+    \node [below=0.05] at (opamp_in_n) {$-$};
+    \draw (opamp.+) to[short, -*] (opamp_in_p);
+    \node [above=0.05] at (opamp_in_p) {$+$};
+    \draw (opamp_in_p) [R=$R_i$] to (opamp_in_n);
 
-  % Dependent voltage source
-  \node (v_dep_plus) at (4.5,1.5) {$+$};
-  \node (v_dep_minus) at (4.5,0) {$-$};
-  \draw (opamp.out) -- (4,0.75) node [right] {$A(v_p - v_n)$};
-  \draw (4,1.5) -- (v_dep_plus);
-  \draw (4,0) -- (v_dep_minus);
-  \draw (v_dep_plus) -- (5,1.5);
-  \draw (v_dep_minus) -- (5,0);
-
-  % Output resistor
-  \draw (5,1.5) -- (5,1) to [R=$R_o$] (5,0.5) -- (5,0);
-  \draw (5,0.75) -- (out);
-  \node [right of=out] {$v_{out}$};
 \end{circuitikz}
 \end{figure}