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A low power 5 GHz direct digital synthesizer designed in SiGe technology

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5 Author(s)
Dai, F.F. ; Dept. of Electr. & Comput. Eng., Auburn Univ., AL, USA ; Chimakurthy, L.S.J. ; Dayu Yang ; Huang, J.
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This paper presents a low power high-speed direct digital synthesizer (DDS), designed in a 47 GHz SiGe technology. The ROM-less DDS includes an 8-bit accumulator and an 8 bit cosine-weighted digital-to-analog converter (DAC) operating at a maximum 5 GHz clock frequency. The DDS core occupies an area of 2 mm2 and consumes less than 2 W power with a 3.3 V supply voltage. The 5 GHz MMIC provides a frequency synthesis and modulation means for L-band applications.

Published in:

Silicon Monolithic Integrated Circuits in RF Systems, 2004. Digest of Papers. 2004 Topical Meeting on

Date of Conference:

8-10 Sept. 2004

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