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Generic Mixed Signal System What means mixed-signal? Mixed-signal refers to a system which processes both analog and digital signals and which contains converter blocks that enable interaction between the two domains. Often related to SOC (System-on-Chip) Stephan Henzler Mixed-Signal-Electronics 2012/13 8
Topics of MSE Course Structure of mixed signal systems and mathematical representation of discrete time signals. ADC discrete time discrete states discrete time (step function) continuous states Stephan Henzler Mixed-Signal-Electronics 2012/13 digital discrete time (step function) discrete values (states) 9
Page 1 and 2: Mixed-Signal-Electronics PD Dr.-Ing
Page 3 and 4: Stephan’s ambition for this cours
Page 5 and 6: Administratives Lecture: Stephan He
Page 7: The Macroscopic World is Purely Ana
Page 11 and 12: Recommended Literature Analog Integ
Page 13 and 14: Constraints of Mixed Signal Circuit
Page 15 and 16: Generic Structure of Mixed-Signal S
Page 17 and 18: Representation of Discrete Time Sig
Page 19 and 20: Inverse Z-Transformation Methods f
Page 21 and 22: Representation of Discrete Time Sig
Page 23 and 24: low-pass low-pass low-pass Aliasing
Page 25 and 26: amplitude fsampling = 1 f signal,2
Page 27 and 28: Anti Aliasing Filter No brick wall
Page 29 and 30: Practical Sampling: Sample & Hold
Page 31 and 32: Xsh(!) = ¡ 1 j!¿ Sampling with Fi
Page 33 and 34: generalization X(s) = Relation Betw
Page 35 and 36: Downsampling II Mathematically dow
Page 37 and 38: Upsampling Stephan Henzler Mixed-Si
Page 39 and 40: Fractional Sample Rate Conversion
Page 41 and 42: Example for Simple Anti Aliasing Fi
Page 43 and 44: Transistor Description (for hand ca
Page 45 and 46: Chapter 2 Sample and Hold Circuits
Page 47 and 48: Sample & Hold Circuit Stephan Henzl
Page 49 and 50: Sample & Hold: Clock Feed-Through 3
Page 51 and 52: 5. 6. Clock jitter Sample & Hold Ci
Page 53 and 54: Impact of Jitter on S&H Performance
Page 55 and 56: Noise due to jitter: Jitter Effect
Page 57 and 58: S&H with Correlated Double Sampling
Page 59 and 60:
Noise of Sampled Signals: kT/C-Nois
Page 61 and 62:
Closed Loop Track & Hold Circuit 1
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Closed Loop Track & Hold Circuit 3
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Summary Sample & Hold Circuits Step
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Resistor Realizations in MOS Techno
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Resistor Realizations in MOS Techno
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Switched Capacitor Resistor Emulati
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Resistor Equivalents Stephan Henzle
Page 75 and 76:
Parameter Variations in SC Circuits
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Implementation of Integrated Capaci
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Vertical Parallel Plate Capacitor S
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Limitations of SC-Equivalence Steph
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Limitations of SC-Equivalence Switc
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Switched Capacitor Integrators Step
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z-Transformation Approximation on
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Analysis of Switched-Capacitor Circ
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Impact of Parasitic Capacitances C
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Switched Capacitor Amplifier Stepha
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SC Amplifier: Output Signal Stephan
Page 97 and 98:
Superposition Theorem in SC Circuit
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Ideal Digital-to-Analog Conversion
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DAC Gain Error Stephan Henzler Mixe
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Ideal Analog-to-Digital Conversion
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Quantization in A/D-Converters Step
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Quantization in A/D-Converters Sig
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ADC Gain Error Stephan Henzler Mixe
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Non-Linearity in Data Converters St
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Nonlinearity in Data-Converters Ste
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DAC Nonlinearity: Differential Nonl
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ADC Nonlinearity: Integral Nonlinea
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Dynamic ADC Measurement ADC conver
Page 121 and 122:
Harmonic Distortion Caused by Nonli
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Effective Number of Bits An ideal
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Other Useful Figures in Mixed-Signa
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Non-Linearity Gain Compression Co
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Superposition of Two Frequencies St
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Non-Linearity Cross Modulation Co
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Non-Linearity Intermodulation Two
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Non-Linearity: Further Reading Rec
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Chapter 5 Nyquist Rate Digital-to-A
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max value bus voltage follower stri
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Elmore Delay (cont.): Path Resistan
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Elmore Delay (cont): Delay Approxim
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Stephan Henzler Mixed-Signal-Electr
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Normalized Delay 300 250 200 150 10
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Stephan Henzler Mixed-Signal-Electr
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Monotonicity in Binary Weighted DAC
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Implementation of Binary Weighted D
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High number of bits - large area Hi
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Page 159 and 160:
R-2R-Ladder Network Stephan Henzler
Page 161 and 162:
Page 163 and 164:
SC-Amplifier with Controllable Capa
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Thermometer Code Converters (method
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Hybrid Converter Architectures Step
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Charge Scaling DAC Compatibel with
Page 171 and 172:
Analog-to-Digital Converter Familie
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Dual-Slope Analog-to-Digital Conver
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Iterative Analog-to-Digital Convert
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Converter with Successive Approxima
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Converter with Successive Approxima
Page 181 and 182:
Modified SAR Algorithm Stephan Henz
Page 183 and 184:
Charge Redistribution SAR Converter
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Charge Redistribution SAR Converter
Page 187 and 188:
Hybrid SAR Converters Search can b
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Detailed SAR Architecture Let’s
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Binary Weighted SAR Stephan Henzler
Page 193 and 194:
Algorithmic Analog-to-Digital Conve
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Page 197 and 198:
Illustration in Robertson Diagram 2
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Page 201 and 202:
Voltage Doubling in Algorithmic Con
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Voltage Doubling in Algorithmic Con
Page 205 and 206:
Pipelined ADC 1 Going for pipeline
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High-Speed ADC: Pipeline Processing
Page 209 and 210:
Impact of Comparator Offset on ADC
Page 211 and 212:
Impairments in SAR Algorithms Find
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Redundant SAR Algorithms Stage qua
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Subranging Principle quantization e
Page 217 and 218:
Linear Model of Subranging ADC Step
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Linear Model of Subranging ADC Eff
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General Pipeline SAR ADC Stephan He
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Background Calibration for Stage Ga
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Summary Pipeline ADC Stage errors
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implemented as parallel connection
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thermometer code one-hot code trans
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Bubble Correction in Flash Converte
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Interpolating Flash Converter Steph
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Kickback Effect Especially in flas
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Folding ADC: Operation Principle St
Page 239 and 240:
High-Speed ADC: Parallel Processing
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Chapter 7 Comparators Stephan Henzl
Page 243 and 244:
Static Characteristics of Comparato
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Operational Amplifier as Comparator
Page 247 and 248:
Comparator Propagation Delay Linea
Page 249 and 250:
Track & Latch Circuit I Stephan Hen
Page 251 and 252:
Principle of Track-and-Latch Stage
Page 253 and 254:
Latched Comparators I Standard arc
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Track & latch circuit: Latched Comp
Page 257 and 258:
Current Mode (CML) Latch Combines
Page 259 and 260:
Elimination of Memory Effect Prech
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Chapter 8 Oversampled Converters Si
Page 263 and 264:
Linear Model of Quantization Noise
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Quantization Noise and Oversampling
Page 267 and 268:
Feasibility of Oversampling Goal:
Page 269 and 270:
First Order Noise Shaping Stephan H
Page 271 and 272:
First Order Noise Shaping Stephan H
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Calculation of Signal-to-Noise Rati
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SC Implementation of 1. Order ΣΔ
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Comparison Nyquist Rate vs. SD AD N
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Calculation of Transfer Functions S
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Simulation with Matlab/Simulink Ste
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Output Spectrum of ΣΔ-Modulator f
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Input Level Dependent SNR 2. Order
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Tones Stephan Henzler Mixed-Signal-
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Dithering Reduce the risk of tones
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maximum noise peak Tones input DC l
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STF of 3. Order ΣΔ-Modulator Step
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Cascaded ΣΔ-Modulator (Multi stAg
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3. Order MASH Structure Stephan Hen
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hist(S1) 12000 10000 8000 6000 4000
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hist(S1) 2.5 2 1.5 1 0.5 0 -1 -0.8
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ΣΔ-Analog-to-Digital Conversion S
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Sinc-Filter Basic low-pass filter a
Page 307 and 308:
Sinc Filter Transfer Functions Step
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Implementation of Sinc-Filter Steph
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ΣΔ-Digital-to-Analog Conversion S
Page 313 and 314:
Continuous Time Sigma-Delta Convert
Page 315 and 316:
Comparison of Discrete- and Continu
Page 317:
Web References Murmann. VLSI Data
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