2006 Canadian Conference on Electrical and Computer Engineering 2006
DOI: 10.1109/ccece.2006.277378
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A Low-Power Efficient Direct Digital Frequency Synthesizer Based on New Two-Level Lookup Table

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Cited by 5 publications
(3 citation statements)
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“…For 16-bit DDFS, the SFDR of the proposed architecture is more than 86.85 dBc. As shown in Table 3 , the proposed DDFS is superior to the previous works in terms of SFDR, SNR, output resolution, and tuning latency [ 6 , 17 , 18 , 26 , 27 ]. According to the high performance of the proposed DDFS, it is very suited for medical instruments and body care network systems [ 46 49 ].…”
Section: Discussionmentioning
confidence: 90%
See 1 more Smart Citation
“…For 16-bit DDFS, the SFDR of the proposed architecture is more than 86.85 dBc. As shown in Table 3 , the proposed DDFS is superior to the previous works in terms of SFDR, SNR, output resolution, and tuning latency [ 6 , 17 , 18 , 26 , 27 ]. According to the high performance of the proposed DDFS, it is very suited for medical instruments and body care network systems [ 46 49 ].…”
Section: Discussionmentioning
confidence: 90%
“…Several efficient compression techniques have been proposed to reduce the lookup table size [ 5 10 ]. The quadrant compression technique can compress the lookup table and then reduce the ROM size by 75% [ 6 ]. The Sunderland architecture splits the ROM into two smaller memories [ 7 ], and the Nicholas architecture improves the Sunderland architecture to achieve a higher ROM-compression ratio (32 : 1) [ 8 ].…”
Section: Introductionmentioning
confidence: 99%
“…As the conventional DDS uses the look-up table (LUT) to store the trigonometric values, it requires large ROM and dissipates much more power. People have proposed some effective ways to solve the drawback, such as optimized LUT method [3] and adopting coordinate rotation digital computer (CORDIC) algorithm to calculate the trigonometric values in real time [4]. Compared to the LUT based DDS, the DDS based on CORDIC eliminates the ROM, and is more area efficient.…”
Section: Introductionmentioning
confidence: 99%