tailieunhanh - Circuits & Electronics P15

Second-Order Systems Fall 2000 Lecture 15 1 .Second-Order Systems Demo 2KΩ A + – large loop 5V 50Ω S 5V 2KΩ B CGS C Our old friend, the inverter, driving another. The parasitic inductance of the wire and the gate-to-source capacitance of the MOSFET are shown [Review complex algebra appendix for next class] Fall 2000 Lecture 15 2 .Second-Order Systems Demo 2KΩ A + – large loop 5V 50Ω S 5V 2KΩ C B CGS Relevant circuit: 2KΩ L CGS B 5V + – Fall 2000 Lecture 15 3 .Observed Output 5 vA 0 2kΩ t vB 0 2kΩ t vC 0 Now, let’s try to speed up our inverter by closing the switch S to lower the effective resistance Fall 2000 Lecture 15 4 t .Observed Output 5 vA 0 ~50Ω t vB 0 50Ω t vC 0 Huh! t Fall 2000 Lecture 15 5 | CIRCUITS AND ELECTRONICS Second-Order Systems Fall 2000 Lecture 15 1 Second-Order Systems em Î5F 57 2KQ 50 2KQ A B GS S C Our old friend the inverter driving another. The parasitic inductance of the wire and the gate-to-source capacitance of the MOSFET are shown Review complex algebra appendix for next class Fall 2000 Lecture 15 2 Second-Order Systems em Î5F 57 2KQ 50 2KQ S C A B Cc. GS Fall 2000 Lecture 15

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