GESTRA SIL PRESENTATION

+ some changes to opamps that I was not aware of

opamp_circuits_C_GARRETT/opamps.tex

@@ -522,9 +522,7 @@ we can now state that the {\fg} (as an entity in its own right) can fail in a nu
 In other words we have taken a {\fg}, and analysed how 
 \textbf{it} can fail according to the failure modes of its components, and then
 determined the {\fg} failure modes.
-%These new failure~modes are derived failure modes.
-%The ways in which the module can fail now becomes a new set of fault modes, the fault~modes
-%being derived from the {\fg}.
+
 \paragraph{Creating a derived component.} 
 We create a new `{\dc}' which has
 the failure symptoms of the {\fg} from which it was derived, as its set of failure modes.