replace cap with cap value

Final.tex

@@ -82,7 +82,7 @@ TODO Describe the circuit
     node[op amp, noinv input down, anchor=-](OA) {}
     (OA.-) to [short, o-] ++(0, 1)
 
-    (OA.-) to [C=$\frac{1}{sC}$] (IN)
+    (OA.-) to [C=$C_1$] (IN)
     (OA.+) to  [short, o-] ++(0,-0.5) node[ground]{}
     (OA.out) to ++(0, 0) coordinate (OUT) to (FB)
     (OUT) to [short, *-o] ++(0.5,0) node [right=0.2cm]{$v_{out}$};