Lecture 41 - Maximum Stable Amplitude of DSMs and Relation to Out of Band Gain скачать в хорошем качестве

Lecture 41 - Maximum Stable Amplitude of DSMs and Relation to Out of Band Gain

Video Lecture Series by IIT Professors ( Not Available in NPTEL) "VLSI Data Conversion Circuits" By Prof. Nagendra Krishnapura and Prof.Shanthi Pavan For more video Lectures .... www.satishkashyap.com For free ebooks ...... www.ebook29.blogspot.com Lecture 1 - Course overview and introduction. Lecture 2 - Sampling, Spectral properties of sampled signals, Oversampling and its implications on anti-alias filter design. Lecture 3 - Time Interleaved Sampling, Analysis of a Ping-Pong Sampling system. Lecture 4 - Ping-pong Sample and Holds continued, Analysis of Offset and Gain Errors in Time-Interleaved Sample and Holds. Lecture 5 - Sampling Circuits (NMOS, PMOS and CMOS Switches), Distortion due to the Sampling Switch. Lecture 6 - Thermal Noise in Sample and Holds, Charge Injection in a Sampling Switch. Lecture 7 - Bottom Plate Sampling, The Gate Bootstrapped Switch. Lecture 8 - The Gate Bootstrapped Switch (continued), the Nakagome Charge-Pump. Lecture 9 - Characterizing a Sample-and-Hold, Correct choice of input frequency, Discrete Fourier Series Refresher. Lecture 10 - FFT Leakage and the Rectangular Window. Lecture 11 - FFT Leakage (contd), Spectral Windows, the Hann Window Lecture 12 - Spectral Windows (contd), the Blackman Window, Introduction to Switch Capacitor Amplifiers Lecture 13 - Switch Capacitor Circuits, Parasitic Insensitive SC Amplifiers Lecture 14 - Nonidealities in SC Amplifiers - Finite Opamp Gain and DC Offset., Lecture 14 - Part 2 - Finite Opamp Gain-Bandwidth Product. Lecture 15 - Introduction to Fully Differential Operation. Lecture 16 - Fully-differential operation (contd), motivation for common-mode feedback. Lecture 17 - Fully Differential SC-circuits, the "Flip-Around" Sample and Hold, DC Negative Feedback in SC Circuits. Lecture 18 - ADC Terminology, Offset and Gain Error, Differential Nonlinearity (DNL). Lecture 19 -Integral Nonlinearity (INL), Dynamic Characterization of ADCs, SQNR, Quantization Noise Spectrum. Lecture 20 - Quantization Noise Spectrum (contd), SFDR, Flash A/D Converter Basics. Lecture 21 - Flash A/D Converter Basics, the Regenerative Latch. Lecture 22 - The Regenerative Latch (contd). Lecture 23 - Motivation to use a Preamp, Preamp Offset Correction (Autozeroing). Lecture 24 - Autozeroing a Differential Preamp, Subtracting References from the Input. Lecture 25 - Coupling Capacitor Considerations in an Autozeroed Preamp. Lecture 26 - Transistor Level Preamp Design. Lecture 27 - Necessity of an up-front sample and hold for good dynamic performance. Timing issues in a flash ADC. Lecture 28 - Bubble Correction Logic in a Flash ADC, Comparator Metastability, Case Study.(VERY POOR AUDIO QUALITY !) Lecture 29 - Flash ADC Case Study (Continued). Lecture 30 - D/A Converter Basics, INL/DNL, DAC Spectra and Pulse Shapes. Lecture 31 - NRZ vs RZ DACs, DAC Architectures. Lecture 32 - Binary Weighted versus Thermometer DACs. Lecture 33 - Binary vs Thermometer DACs (Contd), Current Steering DACs. Lecture 34 - Current Steering DACs (contd) . Lecture 35 - Current Cell Design in a Current Steering DAC. Lecture 36 - Current Cell Design (contd), Layout Considerations in Current Steering DACs. Lecture 37 - Oversampled Approaches to Data Convresion, Benefits of Oversampling. Lecture 38 - Oversampling with Noise Shaping, Signal and Noise Transfer Functions, First and Second Order Delta-Sigma Converters. Lecture 39 - Signal Dependent Stability of DSMs, the Describing Function Method. Lecture 40 - Stability in DSMs (continued). Lecture 41 - Maximum Stable Amplitude of DSMs and Relation to Out of Band Gain, Systematic NTF Design. Lecture 42 - Systematic NTF Design (contd), the Bode Sensitivity Integral and its Implications on NTF Design. Lecture 43 - Estimating the Maximum Stable Amplitude from simulation, Computation of in-band SNR, Windowing revisited. Lecture 44 - Introduction to Continuous-time Delta Sigma Modulators (CTDSM). Lecture 45 - CTDSM basics (contd), time-scaling of CTDSMs. Lecture 46 - The inherent anti-aliasing property of CTDSMs. Lecture 47 - Excess Loop Delay in CTDSMs. Lecture 48 - Time-constant changes in CTDSMs, Influence of opamp nonidealities. Lecture 49 - Effect of opamp nonidealities (contd) - finite gain bandwidth, Effect of ADC and DAC nonidealities. Lecture 50 - Effect of DAC element mismatch (contd), Dynamic Element Matching (Randomization). Lecture 51 - Dynamic Element Matching by Data Weighted Averaging. Lecture 52 - Effect of Clock jitter in CTDSMs. Lecture 53 - Finding Loopfilter Coefficients in Higher Order CTDSMs. Lecture 54 - Dynamic Range Scaling of the Loop Filter.