NDLI: An 11-Bit 8.6 GHz Direct Digital Synthesizer MMIC With 10-Bit Segmented Sine-Weighted DAC

Content Provider	IEEE Xplore Digital Library
Author	Xueyang Geng Dai, F.F. Irwin, J.D. Jaeger, R.C.
Copyright Year	1966
Abstract	This paper presents a low power, ultrahigh-speed and high resolution SiGe DDS MMIC with 11-bit phase and 10-bit amplitude resolutions. Using more than twenty thousand transistors, including an 11-bit pipeline accumulator, a 6-bit coarse sine-weighted DAC and eight 3-bit fine sine-weighted DACs, the core area of the DDS is 3 × 2.5 mm². The maximum clock frequency was measured at 8.6 GHz with a 4.2958 GHz output. The DDS consumes 4.8 W of power using a single 3.3 V power supply. It achieves the best reported phase and amplitude resolutions, as well as a leading power efficiency figure-of-merit (FOM) of 81.1 GHz·2^SFDR/6/W in the mm-wave DDS design. The measured spurious-free-dynamic-range (SFDR) is approximately 45 dBc with a 4.2958 GHz Nyquist output, and 50 dBc with a 4.2 MHz output in the Nyquist band at the maximum clock frequency of 8.6 GHz. Under a 7.2 GHz clock input, the worst-case Nyquist band SFDR and narrow band SFDR are measured as 33 dBc and 42 dBc respectively. The measured phase noise with an output frequency of 1.57 GHz is - 118.55 dBc/Hz at a 10 kHz frequency offset with a 7.2 GHz clock input generated from an Agilent E8257D analog signal generator. All the measurements were taken with the chips bonded in a CLCC-52 package.
Sponsorship	IEEE Solid-State Circuits Society IEEE Electron Devices Society IEEE Circuits and Systems Society Japan Society of Applied Physics (JSAP) IEEE Microwave Theory and Techniques Society IEEE San Francisco Section Bay Area Council Univ. PA IEEE
Starting Page	300
Ending Page	313
Page Count	14
File Size	1807648
File Format	PDF
ISSN	00189200
Volume Number	45
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Synthesizers MMICs Clocks Frequency measurement Semiconductor device measurement Signal generators Silicon germanium Germanium silicon alloys Pipelines Power supplies ROM-less DDS Accumulator digital-to-analog converter (DAC) direct digital synthesizer (DDS) sine-weighted DAC
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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