diff --git a/src/cheatsheets/Schaltungstheorie.typ b/src/cheatsheets/Schaltungstheorie.typ
index d7320ba..de5630b 100644
--- a/src/cheatsheets/Schaltungstheorie.typ
+++ b/src/cheatsheets/Schaltungstheorie.typ
@@ -330,6 +330,8 @@
       align(center, [
         *$u$-gesteuert* \
         Helmholz / Thévenin
+
+        (Strom $-I_0$ wird als $I_0$ geschrieben)
       ]), align(center, [
         *$i$-gesteuert* \
         Mayer / Norton
@@ -410,77 +412,11 @@
         $ G_i = 1/R_i quad quad quad I_0 = -U_0 1/R_i $
       ],
     )
+
+    Bei Dualwandlung, einfach Ersetzung durchführen
   ]
 
-  /*// Quell Wandlung
-  #bgBlock(fill: colorEineTore)[
-    #subHeading(fill: colorEineTore)[Quelle Wandlung]
-
-    #grid(
-      columns: (1fr, 1fr),
-      align: center,
-      scale(x: 65%, y: 65%,
-        zap.circuit({
-          import zap : *
-          import cetz.draw : line, content
-
-          vsource("U0", (0, 1.5), (0, -1.5), fill: none)
-
-          node("n2", (3.5,1.5), fill: false)
-          node("n3", (3.5,-1.5), fill: false)
-
-          resistor("R0", "U0.in", "n2", fill: none, label: (content: $R_i$, anchor: "south", distance: 0.1))
-          wire("U0.out", "n3")
-
-          wire((2.49,1.5), "n2", i: (content: $i$, anchor: "south", invert: true))
-
-          set-style(mark: (end: ">", fill: black))
-          line((3.5, 1.2), (3.5, -1.2), stroke: 0.5pt)
-          content((3.9, 0), $u$)
-
-          line((0.7, 0.5), (0.7, -0.5), stroke: 0.5pt)
-          content((1.7, 0), $U_0 = I_0 / G_i$)
-      })),
-      scale(x: 65%, y: 65%,
-      zap.circuit({
-        import zap : *
-        import cetz.draw : line, content
-
-        isource("I0", (0, 1.5), (0, -1.5), fill: none)
-        node("n0", (2,1.5))
-        node("n1", (2,-1.5))
-
-        node("n2", (3.5,1.5), fill: false)
-        node("n3", (3.5,-1.5), fill: false)
-
-        resistor("g0", "n1", "n0", fill: none, label: (content: $G_i$, anchor: "south", distance: 0.2))
-        wire("I0.in", "n0", "n2")
-        wire("I0.out", "n1", "n3")
-        wire("n0", "n2", i: (content: $i$, anchor: "south", invert: true))
-        wire((0,0.6), "I0.in", i: (content: $I_0 = U_0 / R_i$, anchor: "east", invert: false, distance: 0.2))
-
-        set-style(mark: (end: ">", fill: black))
-        line((3.5, 1.2), (3.5, -1.2), stroke: 0.5pt)
-        content((3.9, 0), $u$)
-      })),
-      [
-        $U_0 = I_0 R_i$
-
-        $R_i=1/G_i$
-
-        $u = r(i) = R_i i + U_0$
-      ],
-      [
-        $I_0 = U_0 G_i$
-
-        $G_i=1/R_i$
-
-        $i = g(u) = G_i u + I_0$
-      ]
-    );
-  ]
-  */
-
+ 
   // Dual Wandlung
   #bgBlock(fill: colorAllgemein)[
     #subHeading(fill: colorAllgemein)[Dual Wandlung]