MIT6_012S09_lec26

MIT6_012S09_lec26 - Lecture 26 Analyzing Complex Amplifiers Outline • Two-port hand analysis • Examples • What’s Next 6.012 Spring 2009

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Unformatted text preview: Lecture 26 Analyzing Complex Amplifiers Outline • Two-port hand analysis • Examples • What’s Next? 6.012 Spring 2009 Lecture 26 1 • Multi-Stage Amplifier Analysis • Draw circuit such that signal stages and biasing devices can be easily identified. • Identify signal path and establish amplifier parameters. • Determine function of all other Determine function of all other transistors-usually current or voltage sources. • Find high impedance nodes to estimate frequency response. 6.012 Spring 2009 Lecture 26 2 Can now understand more complex circuits? Examples: NMOS CD NMOS CS- PMOS CD 6.012 Spring 2009 Lecture 26 3 Can now understand more complex circuits? PNP CE PNP CC- PNP CE 6.012 Spring 2009 Lecture 26 4 BiCMOS Voltage Amplifier 5 V R 35 k Ω Q 4 M 6 B M 3 100 µ A Q 2 B M 7 B M 7 M 6 X Q 2 M 5 + − v OUT M 1 V s M 10 M 8 M Qualitative View • Identify signal path and establish amplifier parameters • CS-CB-CD-CC- Good voltage amplifier • Determine function of all...
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This note was uploaded on 11/07/2011 for the course COMPUTERSC 6.012 taught by Professor Charlesg.sodini during the Spring '09 term at MIT.

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MIT6_012S09_lec26 - Lecture 26 Analyzing Complex Amplifiers Outline • Two-port hand analysis • Examples • What’s Next 6.012 Spring 2009

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