实用模拟电路设计技术Section2

实用模拟电路设计技术-Section2SECTION2HIGH SPEED OP AMPSDriving Capacitive LoadsCable DrivingSingle-Supply ConsiderationsApplication Circuits1SECTION2HIGH SPEED OP AMPSWalt Jung and Walt KesterModern system design increasingly makes use of high speed ICs as circuit buildingblocks.With bandwidths going up and up,demands are placed on the designer forfaster and more power efficient circuits.The default high speed amplifier haschanged over the years,with high speed complementary bipolar(CB)process ICssuch as the AD846and AD847in use just about ten years at this writing.Duringthis time,the general utility/availability of these and other ICs have raised the“highspeed”common performance denominator to50MHz.The most recent extendedfrequency complementary b