| Preface | p. xi |
| Contributors | p. xiii |
| Architectures and design of OTA/g[subscript m]-C filters | p. 1 |
| Introduction | p. 1 |
| Two integrator loop g[subscript m]-C filter structures | p. 2 |
| g[subscript m]-C building blocks | p. 3 |
| Tow-Thomas (TT) g[subscript m]-C biquad | p. 3 |
| Effects and reduction of OTA nonidealities | p. 4 |
| Balanced filter structures | p. 6 |
| KHN g[subscript m]-C filters | p. 7 |
| Realisation of universal biquads | p. 8 |
| g[subscript m]-C filters based on LC ladders | p. 9 |
| g[subscript m]-C filters based on component substitution | p. 9 |
| g[subscript m]-C filters based on signal simulation | p. 10 |
| Multiple loop feedback g[subscript m]-C filters | p. 13 |
| All-pole MLF g[subscript m]-C filters | p. 14 |
| g[subscript m]-C synthesis of transmission zeros | p. 17 |
| Current-mode g[subscript m]-C filters | p. 18 |
| Direct generation of current-mode g[subscript m]-C filters | p. 18 |
| Adjoint method for current-mode g[subscript m]-C filter design | p. 19 |
| Design examples of g[subscript m]-C filters | p. 19 |
| Operational transconductance amplifiers | p. 20 |
| Third-order elliptic g[subscript m]-C filter based on ladder simulation | p. 22 |
| Seventh-order all-pole multiple loop feedback g[subscript m]-C filters | p. 23 |
| Automatic tuning of g[subscript m]-C filters | p. 25 |
| Tunable and programmable OTA | p. 25 |
| An analogue tuning scheme | p. 27 |
| A digital tuning method | p. 28 |
| Configurable and FPAA-based g[subscript m]-C filters | p. 29 |
| Conclusions | p. 29 |
| References | p. 30 |
| The MOSFET-C technique | p. 35 |
| Introduction | p. 35 |
| The MOSFET-C concept | p. 37 |
| Practical considerations | p. 40 |
| Linearity in presence of nonidealities | p. 40 |
| DC biasing and tuning | p. 40 |
| Use of OTAs | p. 41 |
| General filter building blocks | p. 43 |
| Frequency response | p. 44 |
| Noise and dynamic range | p. 45 |
| IC technology considerations for high speed filter design | p. 46 |
| "Double balanced" MOSFET-C | p. 46 |
| Other practical aspects | p. 46 |
| Power efficiency in MOSFET-C designs | p. 47 |
| Basic power dissipation considerations in IC filters | p. 47 |
| Topological advantages of active-RC integrators for power efficiency | p. 48 |
| Power dissipation in summers | p. 52 |
| Conclusions | p. 53 |
| References | p. 54 |
| Active filters using integrated inductors | p. 57 |
| Introduction | p. 57 |
| Principles of Q enhancement | p. 58 |
| Compensation using negative resistances | p. 59 |
| Integrated inductors | p. 60 |
| Negative resistor implementations | p. 61 |
| Single-ended schemes | p. 61 |
| Balanced schemes | p. 63 |
| Second-order sections | p. 64 |
| A synthesis procedure | p. 64 |
| Noise, dynamic range and power | p. 65 |
| High-order filters | p. 69 |
| Design issues and examples | p. 69 |
| Predistortion | p. 71 |
| Automatic tuning | p. 74 |
| Conclusions | p. 77 |
| References | p. 77 |
| Log domain filters | p. 81 |
| Introduction | p. 81 |
| Log domain filtering | p. 85 |
| Synthesis of log domain filters | p. 87 |
| Basic theory | p. 87 |
| A synthesis strategy | p. 95 |
| The translinear perspective | p. 102 |
| Class AB log domain filters | p. 108 |
| Log domain building blocks and nonideal behaviour | p. 113 |
| Very low voltage log domain filter design | p. 117 |
| Noise in log domain filters | p. 120 |
| Other applications of the log domain filtering idea | p. 124 |
| Conclusions | p. 124 |
| References | p. 125 |
| Low voltage techniques for switched-current filters | p. 127 |
| Introduction | p. 127 |
| Performance comparison of SI and SC | p. 128 |
| Single-ended SI circuits | p. 132 |
| Single-ended prototype cells | p. 133 |
| Single-ended class A | p. 134 |
| Single-ended class AB | p. 138 |
| Summary | p. 143 |
| Balanced SI circuits | p. 143 |
| Prototype balanced cells | p. 143 |
| Balanced class A cells | p. 143 |
| Balanced class AB cells | p. 147 |
| Summary | p. 148 |
| Neutralised SI circuits | p. 148 |
| Neutralised class A cells | p. 149 |
| Neutralised class AB cells | p. 150 |
| Summary | p. 151 |
| Demonstration of performance using balanced class AB cells with full neutralisation | p. 152 |
| Conclusions | p. 158 |
| References | p. 159 |
| Analogue adaptive filters | p. 161 |
| Introduction | p. 161 |
| Adaptive algorithms | p. 162 |
| Least mean-square (LMS) algorithm | p. 162 |
| Variants of the LMS algorithm | p. 164 |
| DC offset effects in analogue LMS | p. 165 |
| Heuristic algorithms | p. 167 |
| Search algorithms | p. 168 |
| More complex algorithms | p. 168 |
| Analogue against digital adaptation | p. 169 |
| Filter structures | p. 170 |
| Transversal filters | p. 170 |
| Lattice filters | p. 172 |
| Biquads | p. 173 |
| Laguerre filters | p. 173 |
| Orthonormal ladder filters | p. 174 |
| Circuit implementations | p. 176 |
| Filters based on charge-coupled devices (CCDs) | p. 177 |
| Filters based on sample-and-hold circuits | p. 178 |
| Switched-capacitor building blocks | p. 181 |
| Continuous-time circuitry | p. 182 |
| Applications | p. 184 |
| Early applications | p. 185 |
| Digital magnetic storage | p. 185 |
| Wired digital communications | p. 187 |
| Conclusions | p. 189 |
| References | p. 190 |
| On-chip automatic tuning of filters | p. 197 |
| Introduction | p. 197 |
| On-line tuning | p. 203 |
| Off-line tuning | p. 205 |
| Suitable filter structures | p. 206 |
| Principle of tuning frequency parameters | p. 210 |
| Principle of tuning quality factors | p. 214 |
| Various tuning methods | p. 215 |
| Method for tuning high frequency high-Q bandpass filters | p. 220 |
| Time-domain transfer functions | p. 221 |
| Frequency tuning | p. 223 |
| Q-tuning | p. 226 |
| Experimental results | p. 228 |
| Conclusions | p. 231 |
| References | p. 233 |
| Concluding remarks | p. 237 |
| Index | p. 241 |
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