|
|
|
|
| LEADER |
02696nmm a2200373 u 4500 |
| 001 |
EB000400459 |
| 003 |
EBX01000000000000000253512 |
| 005 |
00000000000000.0 |
| 007 |
cr||||||||||||||||||||| |
| 008 |
130626 ||| eng |
| 020 |
|
|
|a 9789048199358
|
| 100 |
1 |
|
|a van Bezooijen, Andre
|
| 245 |
0 |
0 |
|a Adaptive RF Front-Ends for Hand-held Applications
|h Elektronische Ressource
|c by Andre van Bezooijen, Reza Mahmoudi, Arthur H.M. van Roermund
|
| 250 |
|
|
|a 1st ed. 2011
|
| 260 |
|
|
|a Dordrecht
|b Springer Netherlands
|c 2011, 2011
|
| 300 |
|
|
|a XV, 153 p
|b online resource
|
| 505 |
0 |
|
|a Symbols -- Abbreviations -- 1 Introduction -- 2 Adaptive RF frond-ends -- 3 Adaptive impedance control -- 4 Adaptive power control -- 5 Conclusions -- Appendix A Overview of adaptively controlled matching networks -- Appendix B A dual-banding technique -- Appendix C Transistor breakdown voltages -- References -- Summary
|
| 653 |
|
|
|a Condensed Matter Physics
|
| 653 |
|
|
|a Electronic circuits
|
| 653 |
|
|
|a Input/Output and Data Communications
|
| 653 |
|
|
|a Telecommunication
|
| 653 |
|
|
|a Computer input-output equipment
|
| 653 |
|
|
|a Electronic Circuits and Systems
|
| 653 |
|
|
|a Microwaves, RF Engineering and Optical Communications
|
| 653 |
|
|
|a Condensed matter
|
| 700 |
1 |
|
|a Mahmoudi, Reza
|e [author]
|
| 700 |
1 |
|
|a van Roermund, Arthur H.M.
|e [author]
|
| 041 |
0 |
7 |
|a eng
|2 ISO 639-2
|
| 989 |
|
|
|b Springer
|a Springer eBooks 2005-
|
| 490 |
0 |
|
|a Analog Circuits and Signal Processing
|
| 028 |
5 |
0 |
|a 10.1007/978-90-481-9935-8
|
| 856 |
4 |
0 |
|u https://doi.org/10.1007/978-90-481-9935-8?nosfx=y
|x Verlag
|3 Volltext
|
| 082 |
0 |
|
|a 621.3815
|
| 520 |
|
|
|a The RF front-end – antenna combination is a vital part of a mobile phone because its performance is very relevant to the link quality between hand-set and cellular network base-stations. The RF front-end performance suffers from changes in operating environment, like hand-effects, that are often unpredictable. Adaptive RF Front-Ends for Hand-Held Applications presents an analysis on the impact of fluctuating environmental parameters. In order to overcome undesired behavior two different adaptive control methods are treated that make RF frond-ends more resilient: adaptive impedance control, and adaptive power control. Several adaptive impedance control techniques are discussed, using a priori knowledge on matching network properties, in order to simplify robust 2-dimensional control. A generic protection concept is presented, based on adaptive power control, which improves the ruggedness of a power amplifier or preserves its linearity under extremes. It comprises over-voltage, over-temperature, and under-voltage protection
|