Title :
Quadrature Direct Digital Frequency Synthesizer Using FPGA
Author :
Saber, M. Saber ; Elmasry, M. ; Abo-Elsoud, M. Eldin
Author_Institution :
Nat. Res. Inst. of Astron. & Geophys., Cairo
Abstract :
A low-power quadrature direct digital frequency synthesizer (DDFS) is presented. Such system is based on a classical DDFS structure. In order to avoid the high power consumption, no ROM is used but piecewise linear approximation is employed. The system is implemented using FPGA with 3.3 V supply voltage. The power consumption is 3.96 mW. The spurious-free dynamic range is better than 59 dBc at low synthesized frequencies and the frequency resolution is 1.5 kHz
Keywords :
approximation theory; direct digital synthesis; field programmable gate arrays; low-power electronics; piecewise linear techniques; 1.5 kHz; 3.3 V; 3.96 mW; DDFS; FPGA; field programmable gate array; low-power quadrature direct digital frequency synthesizer; piecewise linear approximation; Clocks; Communication switching; Energy consumption; Field programmable gate arrays; Frequency synthesizers; Low pass filters; Phase locked loops; Power engineering and energy; Read only memory; Wireless communication;
Conference_Titel :
Computer Engineering and Systems, The 2006 International Conference on
Conference_Location :
Cairo
Print_ISBN :
1-4244-0271-9
Electronic_ISBN :
1-4244-0272-7
DOI :
10.1109/ICCES.2006.320418
