CONCLUSION 8 B6 K9 @) t% r8 I$ d. r" y( }“Never throw anything away” is the phrase that best describes - t! ~5 D8 j8 I( M9 g# ^the evolutionary development of operational amplifiers.; R/ V8 E& ?8 X5 t* Z; e4 r% T
Going back to circuits developed nearly a half century ago, % r$ L9 O* Z% T' _5 {% s% }5 G! otoday’s operational amplifier designer has a vast supply of " g) d2 X6 l8 n1 Tcircuits to draw from in implementing new designs. This article . P" r& M) h6 Q9 I7 \# t* D& Y! whas traced the evolution to a real design application that made$ L3 {4 @: H0 |/ B1 A* S" M
use of many of the circuits and techniques developed over * M$ y! a: F% N9 @time. The net result is not only time saving for the designer, but 5 J0 x2 V5 q, ]. ]4 N' P& ireduced cost for the development of state-of-the art operational. O/ r8 t$ G; p* Q% |5 H9 y! U
amplifiers using the most sophisticated processing technology* F; n5 k) _) }% ~8 Y
available.