Analysis and Design Techniques of CMOS Charge-Pump-Based Radio-Frequency Antenna-Switch Controllers

Analysis and design techniques of charge-pump-based RF antenna-switch controllers are presented. Loading effects of RF antenna switches that cause voltage drop of the controller have been identified and embedded in the analysis. The proposed analysis also captures effects of MOS-switch on-resistance...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems. I, Regular papers Regular papers, 2009-05, Vol.56 (5), p.1053-1062
Main Authors: Jeongwon Cha, Minsik Ahn, Changhyuk Cho, Chang-Ho Lee, Haksun Kim, Laskar, J.
Format: Article
Language:English
Subjects:
Antennas
Body bias
Cause effect analysis
charge pump circuits
Charge pumps
CMOS
CMOS integrated circuits
CMOS technology
Controllers
Design engineering
Electric potential
Latch-up
Loaded antennas
Parasitic capacitance
Radio control
Radio frequencies
Radio frequency
Radiofrequency identification
RF antenna switches
Switches
Voltage
Voltage control
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Summary:Analysis and design techniques of charge-pump-based RF antenna-switch controllers are presented. Loading effects of RF antenna switches that cause voltage drop of the controller have been identified and embedded in the analysis. The proposed analysis also captures effects of MOS-switch on-resistance and parasitic capacitances, so more precise descriptions of the charge-pump output voltage can be obtained. Furthermore, the body biasing technique has been employed to prevent latch-up. The analysis and the design techniques have been verified using a 0.35-mum CMOS technology. RF antenna-switch performances with the designed controller have also been measured and presented.
ISSN:1549-8328
1558-0806
DOI:10.1109/TCSI.2009.2016129