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- Dixon, A. (author)
Digital self-aware charge pump calibration technique for frequency synthesizers
- Article/chapterEnglish2009
Publisher, publication year, extent ...
- IEEE,2009
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-152408
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-152408URI
- https://doi.org/10.1109/ICECS.2009.5410794DOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- QC 20141001
- As radio design complexity increases and features sizes decrease, more innovative solutions are explored to ensure analog circuit designs meet specifications. Digital calibration is an inexpensive and effective solution. A novel digital calibration technique to improve charge pump current mismatch in frequency synthesizers is presented. This method detect. The charge pump error by measurin. The low pass filter voltage oy the system forced to operate at a fixed phase error. A reference table developed from a mathematical model oy the system use. The measurement result to produce a digital control word. The digital control word acts on a charge pump array to correc. The error. The technique is implemented and tested in Matlab/Simulink for a case study frequency synthesizer. The calibration technique correct. The charge pump current absolute error to within 1.4% oy the nominal value. Additionally. The technique is exceptionally effective for correctin. The charge pump current mismatch to within 1%.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
- Absolute error
- Analog Circuit Design
- Calibration techniques
- Charge pump
- Charge pump currents
- Digital calibrations
- Digital control
- Effective solution
- Innovative solutions
- MATLAB /simulink
- Measurement results
- Phase error
- Radio design
- System use
- Calibration
- Digital control systems
- Frequency synthesizers
- Integrated circuit manufacture
- Low pass filters
- Mathematical models
- Pumps
Added entries (persons, corporate bodies, meetings, titles ...)
- Ismail, M. (author)
- Atallah, Jad G.KTH,Elektronik- och datorsystem, ECS(Swepub:kth)u1ki5tx5 (author)
- KTHElektronik- och datorsystem, ECS (creator_code:org_t)
Related titles
- In:2009 16th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2009: IEEE, s. 743-7469781424450916
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