Lecture 23: Oscillatorsbwrcs.eecs.berkeley.edu/.../Lectures/Lect23_2up.pdf · 2010. 11. 18. ·...
Transcript of Lecture 23: Oscillatorsbwrcs.eecs.berkeley.edu/.../Lectures/Lect23_2up.pdf · 2010. 11. 18. ·...
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Amin ArbabianJan M. Rabaey
Lecture 23: Oscillators
EE142 – Fall 2010
Nov. 18th, 2010
University of California, Berkeley
2EE142-Fall 2010
MOS Voltage Switching Mixer
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MOS Switching (Passive) Mixer Summary
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MOS Ring Mixer
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Passive Mixer LO Power
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LO Power (Inverter Chain)
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Tuned LO Power
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H-Bridge Mixer
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Time-Varying Conductance
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Time-Varying Gain m(t)
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Ring or Quad?
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APPENDIX I:PERIODIC STEADY STATE SIMULATIONSAlso refer to Discussion notes of 11/08/2010
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Periodic Steady State (PSS) Simulations
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PSS Iteration
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PSS Options
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Periodic AC (PAC) Simulations
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PAC
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PNoise
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OSCILLATORS
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Oscillators
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Phase Noise
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LC Tank
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Feedback Perspective
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Negative Resistance Perspective
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Feedback Approach
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Feedback Example
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Poles of the Closed Loop System
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Root Locus
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Natural Response
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Real LHP Poles
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Complex-Conjugate LHP Poles
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Complex Conjugate RHP Poles
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Frequency Domain
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Oscillation Buildup
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LC Oscillator
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AC Equivalent Circuit
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Small Signal Equivalent Circuit
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Open Loop Transfer Function
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Closed Loop Transfer Function
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Closed Loop Gain vs Al
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Magnitude of the Poles
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Root Locus