Design Of Space-based Ka-band Radiometer Systems
- ISBN/EAN
- 9788854860940
- Editore
- Aracne
- Collana
- Diritto di stampa
- Formato
- Brossura
- Anno
- 2013
- Pagine
- 164
Disponibile
11,00 €
Millimeter-wave (mm-wave) radiometers are commonly employed in space-based scientific missions ranging from the observation of the Earth's atmosphere and oceanographic studies, to radio-astronomic experiments such as the measurement of the Cosmic Microwave Background (CMB). Space agencies are showing a great interest in the development of miniaturized instruments in such a way as to meet the mission constraints imposed by their adoption on micro- and nano-satellites. Generally speaking, each radiometers’ designer has to face common problems, either his instrument has to “look” at the sky or at the ground, either it is made for radio astronomy of meteorology or earth surface sensing. This book is the result of the work carried out during author’s PhD studies at the University of Perugia, Perugia, Italy. The book is mainly focused on the design aspects of the two main building-blocks of the radiometers: the low-noise amplifier (LNA) and the detector. A completely new concept for radiometric applications is also introduced in the final chapters.
Maggiori Informazioni
| Autore | Aluigi Luca |
|---|---|
| Editore | Aracne |
| Anno | 2013 |
| Tipologia | Libro |
| Collana | Diritto di stampa |
| Num. Collana | 50 |
| Lingua | Inglese |
| Indice | Contents ............................................................................................. 9 Foreword by Federico Alimenti ........................................................ 13 Foreword by Luca Roselli ................................................................ 17 Preface ............................................................................................. 19 Introduction ..................................................................................... 21 REFERENCES ................................................................................ 24 Chapter 1 Radiometer principles ..................................................... 27 1.1 Thermal radiation ................................................................... 28 1.1.1 Black body model ............................................................... 28 1.1.2 Antenna power temperature correspondence ........................... 29 1.1.3 Brightness temperature ........................................................ 31 1.1.4 Apparent temperature .......................................................... 31 1.1.5 Atmospheric effects ............................................................. 31 1.2 The radiometer: sensitivity and stability ................................. 32 1.3 The total power radiometer (TPR) .......................................... 35 1.4 The Dicke radiometer (DR) .................................................... 36 1.5 Other radiometer types ........................................................... 37 REFERENCES ................................................................................ 37 Chapter 2 The IHP SG25-H1 technology......................................... 39 2.1 High-speed SiGe:C HBTs ....................................................... 39 2.1.1 Performance of the npn201 transistor ..................................... 42 2.2 Passive devices ....................................................................... 45 REFERENCES ................................................................................ 46 Chapter 3 MIDAS ........................................................................... 47 3.1 State of the art for RFIC design .............................................. 48 3.2 Proposed methodology ........................................................... 5010 Contents 3.2.1 First-guess Designer ............................................................ 51 3.2.2 Layout Generator ................................................................ 52 3.2.3 Equivalent Circuit Extractor ................................................. 55 3.3 A representative case of study ................................................ 55 REFERENCES ................................................................................ 57 Chapter 4 LNA gain temperature dependence ................................. 61 4.1 Preliminary considerations ..................................................... 61 4.2 Numerical evaluation extracted from Design Kit .................... 65 4.3 Temperature dependence of VBE, VCE and IC .......................... 65 4.3.1 Quantitative analysis using the circuit simulator ...................... 70 4.4 Design of the modified cascode configuration ........................ 70 REFERENCES ................................................................................ 74 Chapter 5 Detector design ............................................................... 75 5.1 T-dependence in diode-based detector’s response ................... 75 5.2 Zero-bias 31.4 GHz Schottky detector .................................... 83 5.3 Differential 31.4GHz HBTs detector ...................................... 86 REFERENCES ................................................................................ 89 Chapter 6 System-On-Chip 36.8 GHz radiometer for space-based observation of solar flares: feasibility study...................................... 91 6.1 Scientific background ............................................................. 91 6.1.1 Limitations of ground based measurements ............................ 94 6.1.2 Solar flares spectral flux density ........................................... 95 6.2 Instrument architecture ........................................................... 97 6.3 Circuit design ....................................................................... 100 6.3.1 Square-law power detector ................................................. 100 6.3.2 Low-Noise Amplifier (LNA) .............................................. 103 6.4 Radiometer resolution and calibration .................................. 108 6.5 Conclusions .......................................................................... 113 REFERENCES .............................................................................. 115 Chapter 7 Chip-to-Package wireless power transfer and its application to mm-wave antennas and monolithic radiometric receivers ........... 119 7.1 System description ............................................................... 119 7.2 Simulations results ............................................................... 121 7.2.1 EM simulations ................................................................. 121 7.2.2 Transistor level simulations ................................................ 125 7.3 Conclusions .......................................................................... 127 REFERENCES .............................................................................. 127Contents 11 Chapter 8 Heterogeneous Integration of Flexible Substrate Spiral Antennas and Silicon Chips by Magnetic Coupling ........................ 129 8.2 System description ............................................................... 131 8.3 EM simulations results ......................................................... 133 8.3.1 Coupling transformers ....................................................... 133 8.3.2 Antenna matched to the homogeneous transformer ................ 134 8.4 Experimental results ............................................................. 135 8.5 Conclusion ........................................................................... 137 REFERENCES .............................................................................. 137 Appendix A MIDAS models ......................................................... 139 A.1 π model used within First-guess Designer ............................ 139 A.2 π model used within Equivalent Circuit Extractor ................ 143 Acronyms ...................................................................................... 147 Index .............................................................................................. 149 |
| Disponibilità | Disponibilità: 3-5 gg |
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