A Novel Passive RFID Transponder Using Harmonic Generation of Nonlinear Transmission Lines

We present a novel RF identification transponder based on nonlinear transmission lines (NLTLs). The NLTLs provide an effective solution to self-jamming with the harmonic generation property, and they are passive, compact, and offer easy impedance. Three NLTLs are fabricated with a different Bragg cu...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2010-12, Vol.58 (12), p.4121-4127
Main Authors: Fan Yu, Lyon, Keith G, Kan, Edwin Chihchuan
Format: Article
Language:English
Subjects:
Antennas
CMOS
Frequency conversion
Harmonic analysis
Harmonic generation
Harmonic generations
Harmonics
Microwaves
nonlinear transmission line (NLTL)
Nonlinearity
Power generation
Power system harmonics
Propagation losses
RF identification (RFID) transponder
Transmission line measurements
Transmission lines
Transponders
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Summary:We present a novel RF identification transponder based on nonlinear transmission lines (NLTLs). The NLTLs provide an effective solution to self-jamming with the harmonic generation property, and they are passive, compact, and offer easy impedance. Three NLTLs are fabricated with a different Bragg cutoff frequency fT in an IBM 8RF 0.13-μ m CMOS process. The 0.4 mm by 1.8 mm NLTL with fT = 10 GHz has -10-dBm second harmonic and -15-dBm third harmonic power with 0-dBm small-signal input. We demonstrate effective wireless transmission of the NLTL-based transponder over a read range of 0.3-0.8 m using less than 7-mm D*dot antennas and a -90-dBm off-the-shelf receiver.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2010.2088134