Design of Low-Noise Amplifiers for Ultra-Wideband Communications

Roberto Díaz Ortega was a researcher at the Institute for Applied Microelectronics at the University of Las Palmas de Gran Canaria, Spain. Sunil L. Khemchandani is a senior researcher at the Institute for Applied Microelectronics and Associate Professor of Electrical Engineering in the Department of Electronic and Automatic Engineering at the University of Las Palmas de Gran Canaria, Spain. Hugo García Vázquez is a researcher at the Institute for Applied Microelectronics at the University of Las Palmas de Gran Canaria, Spain. Francisco Javier del Pino Suárez is a senior researcher at the Institute for Applied Microelectronics and Associate Professor of Electrical Engineering in the Department of Electronic and Automatic Engineering at the University of Las Palmas de Gran Canaria, Spain.

• Nomenclature1 Ultra-Wideband Overview and System Approach1.1 Introduction1.2 History of Ultra-Wideband Communications1.3 ECMA-368/ISO/IEC 26907 Receiver Specifications1.3.1 Operating Frequency Band1.3.2 Receiver Sensitivity1.4 Receiver System Design1.4.1 Noise Figure1.4.2 Channel Filter and ADC Specifications1.4.3 ADC and Frontend Gain Specifications1.4.4 Automatic Gain Control1.4.5 Linearity Requirements1.4.6 Synthesizer Requirements1.4.7 Budget Simulations1.5 Conclusions2 Distributed Amplifiers2.1 Introduction2.2 Theoretical Approach2.3 Area Optimization2.3.1 Compact Design2.3.2 Stacked Inductors2.4 Experimental Results2.5 Conclusions3 Wideband Low-Noise Amplifiers3.1 Introduction3.2 Wideband Low-Noise Amplifier3.2.1 Narrowband Inductively Degenerated Amplifier3.2.2 Wideband Inductively Degenerated Amplifier3.2.3 Wideband Low-Noise Amplifier Design3.2.4 Experimental Results3.3 Flatness Improvement3.3.1 Circuit Description3.3.2 Experimental Results3.4 Wideband Folded Cascode Amplifier3.4.1 Narrowband Folded Cascode Amplifier3.4.2 Wideband Folded Cascode Amplifier Topology3.4.3 Experimental Results3.5 Conclusions4 Feedback Wideband Low-Noise Amplifiers4.1 Introduction4.2 Circuit Analysis4.3 Modified Miniatured 3D Inductor4.4 Circuit Design4.5 Experimental Results4.6 Conclusions5 Inductorless Techniques5.1 Introduction5.2 Common Gate LNA5.2.1 Input Matching and Voltage Gain5.2.2 Noise of a CG Stage5.2.3 Differential Operation of CG Stage5.3 Mixer Design5.3.1 Quadrature Mixers5.3.2 Mixers with Current Boosting5.4 Inductorless Operation5.5 Experimental Results5.5.1 Frontend I5.5.2 Frontend II5.5.3 Comparison Between Frontends5.6 ConclusionsBibliographyIndex