Welcome to the video series, the operational amplifier, from abstraction to reality. Opamps have high gain, and wide bandwidth, but unfortunately, not both at the same time. Opamps can be set to lower gain, and cascaded together, to give us the ultimate gain we desire, but there is a major bandwidth limit to that method, that must be understood.
00:00 Intro
00:30 Why Cascade Amplifiers?
02:43 Bandwidth of Cascaded Amplifiers
04:15 Single Pole Math Review
05:42 Cascade Equation Derivation
07:01 PSPICE Schematic Example
07:21 Cascade Spreadsheet
09:08 Simulation Results