eie 211 electronic devices and circuit design...
TRANSCRIPT
2/26/2018 1King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
EIE 211 : Electronic Devices and Circuit Design IILecture 4x2(dx/dt): CMOS Cascode
2/26/2018 2King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
2/26/2018 3King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
Common Source Amplifier
2/26/2018 4King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
Common Source Amplifier w/ Degeneration Resistor
2/26/2018 5King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
Common Gate Amplifier
2/26/2018 6King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
2/26/2018 7King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
2/26/2018 8King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
MOS Cascode
2/26/2018 9King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
2/26/2018 10King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
MOS Cascode: resistance
2/26/2018 11King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
MOS Cascode: resistance
2/26/2018 12King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
MOS Cascode: voltage gain
Avo = - gm1 x (gm2ro2)ro1
2/26/2018 13King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
MOS Cascode: voltage gain
If there’s a load resistance RL connected
to the output, the voltage gain will be
2/26/2018 14King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
2/26/2018 15King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
MOS Double Cascode
2/26/2018 16King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
MOS Cascode: output resistance of a CS
amplifier with degeneration resistor
2/26/2018 17King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
MOS Cascode Frequency Response
2/26/2018 18King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
MOS Cascode Frequency Response
We are going to use “open-ckt” time constant method to find fH
2/26/2018 19King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
2/26/2018 20King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
2/26/2018 21King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
2/26/2018 22King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
2/26/2018 23King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
2/26/2018 24King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
2/26/2018 25King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
2/26/2018 26King Mongkut’s University of Technology Thonburi
EIE 211 Electronic Devices and Circuit Design II
References
Microelectronic Circuits by Adel S. Sedra & Kenneth C. Smith. Saunders
College Publishing
“Chapter 7: Frequency Response”, a lecture note by Prof. Yang Hua, Ph.D.,
Department of Electronic Engineering, Shanghai Jiao Tong University (SJTU),
Shanghai, China