ECE 614 Advanced Analog IC Design: Lecture Notes for Fall 2014

 

 

Aug 26:  lec1_ece614.pdf  – Course introduction, Differential circuits overview – half circuit analysis review, start CMFB.

Aug 28:  lec2_ece614.pdf – Common mode feedback (CMFB) – resistive CM detector, CMFB compensation, single-stage differential opamp.

Sep 2:    lec3_ece614.pdf – Common mode feedback (CMFB) – CMFB review, systematic offset, CMFB with buffers, dual diff-pair CM detector, start two-stage differential opamp.

Sep 4:   lec4_ece614.pdf  – lec4_ece614_video  – Two-stage differential opamp design: CMFB configurations and analysis. Simulation of DM and CMFB loops (see Loop Stability Analysis and Spectre STB Analysis).

Sep 9:    lec5_ece614.pdf – Two-stage differential opamp design contd., CM detector using triode devices, Class-AB output stage.

Sep 11:  lec6_ece614.pdf  – Common-mode feedback for the Class-AB output stage: Triode CMFB, Current injection type CMFB. Stability issues and mitigation.  CMFB Examples. 

Sep 16: lec7_ece614.pdf – Introduction to switched capacitor circuits.  Switched-capacitor CMFB: design, analysis and simulation. (See Loop Stability Analysis: SC-CMFB simulation section and SpectreRF Periodic Analysis).

Sep 18: lec8_ece614.pdf – Finish SC-CMFB. Start circuit noise analysis.

Sep 23: lec9_ece614.pdf – Noise PSD, Noise in Resistors, kT/C noise.

Sep 25: lec10_ece614.pdf – Noise in MOSFETs, flicker noise, noise corner, CS noise analysis example, input referred noise.

Sep 30:  lec11_ece614.pdf – 2-port equivalent noise representation (Vn,in2 and In,in2). Noise analysis: CS, CG, SF, and Differential Amplifier. Noise Analysis and Simulation (self-study).

Oct 2:  lec12_ece614.pdf Noise analysis: Differential Amplifier contd. 

Oct 7:  lec13_ece614.pdf Noise analysis of Opamps: telescopic, folded cascode, two-stage. Noise Figure (not covered).  Start Switched-Capacitor (SC) Circuits.

Oct 9:  lec14_ece614.pdf SC Circuits: Charge-injection and clock overlap cancellation, kT/C noise, non-linearity due to charge injection, and fully-differential operation. SpectreRF Periodic Analysis (self-study).

Oct 14:  lec15_ece614.pdf S/H circuit with charge injection elimination (Bottom-plate sampling), clock phase generator.

Oct 16:  lec16_ece614.pdf S/H circuit: precision and speed considerations.

Oct 21:  lec17_ece614.pdf SC Amplifiers: precision and speed considerations, loop-gain and bandwidth limitations.

Oct 23:  lec18_ece614.pdf SC Amplifiers: Offset and Noise

Oct 28:  lec19_ece614.pdf SC Integrators: parasitic insensitive topology, transfer function and frequency response. Overview of SC signal processing (additional Slides)

Oct 30:  lec20_ece614.pdf Mismatch and Offset, mismatch analysis and examples.

Nov 4:  lec21_ece614.pdf – Offset cancellation techniques. Start regenerative latch.

Nov 4:  lec22_ece614.pdf – Regenerative latch, comparators, pre-amp, Autozeroing. Comparator Extra Slides.

Nov 11 (Tuesday):  Midterm Exam: Open Books, open notes. Sample Exam (No solutions)

Nov 13: lec23_ece614.pdf – Data conversion basics. Static specifications: DNL, INL.

Nov 18: No in-class Lecture.

Nov 20: lec24_ece614.pdf – ADC overview. Dynamic specifications: SNDR, DR, SFDR, linearity.

Nov 20, 11:59 PM:  Project 1 due.

Nov 25&27: Thanksgiving break. 

Dec 2:  lec25_ece614.pdf – Error due to clock Jitter, Flash ADCs

Dec 4:  lec26_ece614.pdfSuccessive Approximation (SAR) ADC

Dec 9:  lec27_ece614.pdf – Multi-Step A/D Converters: Pipelined ADCs

Dec 11: [Subranging Folding and Interpolation ADCs

], [Cyclic and Integrating ADCs], [Delta Sigma ADC Overview].

Dec 18 Dec 22, 11:59 PM:  Final project due (No Final exam).

 

Material for post-course self-study:

         Digital assisted techniques for Nyquist-rate ADCs

         Time-interleaved ADCs

         Mismatch analysis and modeling for data-converters (van de Plassche, Gustavson)

         DAC topologies, Calibration and layout techniques for DACs (van de Plassche)

         Feedback theory and distortion analysis (Razavi)

 

Lecture Videos

Pre-recorded lecture videos from 2012 can be viewed here.