| Título: | Implementation of Different Variants of Table-Based Frequency Synthesizers with Quadrature Output in VHDL |
| Autores: |
Kekrt, Daniel Klima, Milos Podgorny, Radek Zavrtalek, Jan |
| Fecha: | 2012-06-30 |
| Publicador: | Advances in Electrical and Electronic Engineering |
| Fuente: |
 |
| Tipo: |
|
| Tema: | Direct frequency synthesis; VHDL; FPGA; memory efficiency; logic synthesis. |
| Descripción: | This article describes the modelling and implementation of two different variants of direct frequency synthesizer, and evaluation of the performance of the finished design, in terms of memory and speed efficiency. The frequency synthesizer requirement comes from our complex radio transmission system design. The research activity has been focused on finding an optimal balance between simplicity, speed and memory consumption. The modelling was done in MATLAB environment in floating-point and fixed-point arithmetic, and the actual design was implemented and synthesized using the Xilinx ISE suite. The output has been connected to our customized radio front-end built on the Texas Instruments TRF2443 chip. The front-end output signal has been captured and compared with simulation results. |
| Idioma: | Inglés |
1 The Applications for the Calculation and Optimization of Passive Optical Networks Attenuation Characteristics por Lafata, Pavel,Vodrazka, Jiri | 6 Binary Modulation Formats in Optical Access Networks por Tejkal, Vladimir,Filka, Miloslav,Reichert, Pavel,Sporik, Jan |
2 The Study of Sensory Properties of Quasi-Singlemode Fiber por Koudelka, Petr; Department of Telecommunications
Faculty of Electrical Engineering and Computer Science
VSB-TU Ostrava
17. listopadu 15/2172
708 33 Ostrava-Poruba
Czech Republic,Latal, Jan,Siska, Petr,Hanacek, Frantisek,Skapa, Jan,Vasinek, Vladimir | 7 Optical Fiber Sensor with Distributed Parameters Based on Optical Fiber Reflectometry por Korenko, Branislav,Jasenek, Jozef,Cervenova, Jozefa,Hlavac, Marek |
3 Fiber Optical Sensor for High Temperatures por Hanacek, Frantisek; Site Administrator,Latal, Jan,Koudelka, Petr,Skapa, Jan,Siska, Petr,Vasinek, Vladimir,Hurta, Jan | 8 Future of Electrotechnics: Ferrofluids por Mayer, Daniel |
4 The Soliton Transmissions in Optical Fibers por Bohac, Leos | 9 Analysis of Simulated Reflection Characteristics of Uniform and Apodized Fiber Bragg Gratings por Gemzicky, Erik,Mullerova, Jarmila |
5 Influence of Magnetic Field on Electric Charge Trasport in Holmium Thin Film at Low Temperature por Dudas, Jan,Gabani, Stanislav,Bagi, Jozef,Goscianska, Iwona,Hodulikova, Anna | 10 WDM in Courses of Communication Technologies por Filka, Miloslav,Bernkopf, Miroslav |