diff --git a/src/cheatsheets/Schaltungstheorie.typ b/src/cheatsheets/Schaltungstheorie.typ
index 02fae34..8d92040 100644
--- a/src/cheatsheets/Schaltungstheorie.typ
+++ b/src/cheatsheets/Schaltungstheorie.typ
@@ -1728,7 +1728,6 @@
   ]
 
   #colbreak()
-
   // Bauelemente
   #bgBlock(fill: colorEineTore)[
     #subHeading(fill: colorEineTore)[Bauelemente]
@@ -2013,12 +2012,26 @@
           import cetz.draw: *
           import cetz-plot: *
 
-          let opts = (x-tick-step: none, y-tick-step: none, size: (2, 1), x-label: [u], y-label: [i])
+          let opts = (x-tick-step: none, y-tick-step: none, size: (3, 2), x-label: [u], y-label: [i])
+
 
           plot.plot(axis-style: "school-book", ..opts, name: "plot", {
-
-            plot.add(((-1, -1), (1, 1)), style: (stroke: red))
+            plot.add(((-1, -1), (2, 2)), style: (stroke: red))
           })
+
+          line((1.7, 0.666 + 0.48), (1.7, 0.666), stroke: (paint: rgb("#009e22")))
+          line((1, 0.666), (1.7, 0.666), stroke: (paint: rgb("#009e22")))
+
+          let offset_x = 0.7
+          let offset_y = 0.6
+          line((1.7 -offset_x, 0.666 + 0.58-offset_y), (1.7-offset_x, 0.666-offset_y), stroke: (paint: rgb("#009e22")))
+          line((0.8-offset_x, 0.666-offset_y), (1.7-offset_x, 0.666-offset_y), stroke: (paint: rgb("#009e22")))
+
+          content((1.15,0.35), $1$)
+          content((1.40,0.48), $1$)
+          content((0.56,-0.1), $Omega$)
+          content((1.9,0.9), $S$)
+
         }))
       ],
       align(left+top)[
@@ -2220,26 +2233,13 @@
       ]),
       [
 
-      ],
-      [],
-
-      // Tunneldiode
-      [
-        Tunneldiode
-        #scale(x: 100%, y: 100%, zap.circuit({
-          import zap: *
-          import cetz.draw: content, line
-          tunnel("b1", (0, 0), (1., 0), stroke: black, fill: black)
-        }))
-      ],
-      [
-
-      ],
-      [
-
-      ],
-      [],
+      ], [],
       
+
+      //  Konkaver Wiederstand
+      
+      table.cell(colspan: 4, image("../images/schaltungstheorie/kw1.png", height: 1cm)),
+      table.cell(colspan: 4, image("../images/schaltungstheorie/kw2.png", height: 1cm)),
     );
   ]
 ]
@@ -2533,7 +2533,7 @@
       content((0.8, -0.8), text([Input $cal(F)$], fill: rgb("#00318b")))
     })
       $ u_1 = - R_d i_2 &quad i_1 = 1/R_d u_2 \
-        u_2 = R_d i_1 &quad u_2 = - 1/R_d u_1
+        u_2 = R_d i_1 &quad i_2 = - 1/R_d u_1
       $
     ],
     [#align(center+horizon, image("../images/schaltungstheorie/knotenpotenzial/gyraptorESD.png", height: 3cm))],
@@ -2665,12 +2665,23 @@
       $A_"NII" = mat(0, R; -1/R, 0)$
     ],
 
+    [Idealer Zirkulator \ (Drei-Tor)],
+    [#image("../images/schaltungstheorie/knotenpotenzial/zirkulatorBild.png", height: 3cm)],
+    [#image("../images/schaltungstheorie/knotenpotenzial/circulator.png", height: 3cm)],
+    [
+      - NICHT Reziprok
+      - Verlustlos
+    ],
+    [$ G = mat(0, R, -R; -R, 0, R; R, -R, 0) quad quad quad G = mat(0, G, -G; -G, 0, G; G, -G, 0) \ 
+    u_1 = (i_2 - i_3) R \ 
+    u_2 = (i_3 - i_1) R \ 
+    u_3 = -(u_1 + u_2) $]
+
   )
   ]
 ]
 
 // Knoten Spannungs Analyse
-#pagebreak()
 // Tor Eigenschaften
 #bgBlock(fill: colorEigenschaften, width: 100%)[
   #subHeading(fill: colorEigenschaften)[Tor Eigenschaften]
diff --git a/src/images/schaltungstheorie/knotenpotenzial/circulator.png b/src/images/schaltungstheorie/knotenpotenzial/circulator.png
new file mode 100644
index 0000000..2d4a626
Binary files /dev/null and b/src/images/schaltungstheorie/knotenpotenzial/circulator.png differ
diff --git a/src/images/schaltungstheorie/knotenpotenzial/zirkulatorBild.png b/src/images/schaltungstheorie/knotenpotenzial/zirkulatorBild.png
new file mode 100644
index 0000000..4b344f1
Binary files /dev/null and b/src/images/schaltungstheorie/knotenpotenzial/zirkulatorBild.png differ
diff --git a/src/images/schaltungstheorie/kw1.png b/src/images/schaltungstheorie/kw1.png
new file mode 100644
index 0000000..91fe0f1
Binary files /dev/null and b/src/images/schaltungstheorie/kw1.png differ
diff --git a/src/images/schaltungstheorie/kw2.png b/src/images/schaltungstheorie/kw2.png
new file mode 100644
index 0000000..55f5ecd
Binary files /dev/null and b/src/images/schaltungstheorie/kw2.png differ
diff --git a/src/lib/schaltungstheorie/opampTable.typ b/src/lib/schaltungstheorie/opampTable.typ
index ebb512e..4612a0e 100644
--- a/src/lib/schaltungstheorie/opampTable.typ
+++ b/src/lib/schaltungstheorie/opampTable.typ
@@ -267,5 +267,11 @@
   $u_"out" = - R_0/R_1 u_"in"$,
   $u_"out" = (1 + R_0 / R_1) u_"in"$,
   $$,
-  $u_"in" = -R_L i_"in"$
+  $u_"in" = -R_L i_"in"$,
+  [],
+  [VCVS],
+  [VCVS],
+  [VCVS],
+  [],
+  [CCVS]
 )
\ No newline at end of file