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Cited by 12 publications
(7 citation statements)
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References 14 publications
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“…This coupling may cause an eddy current at L T(R)XLOW during 6.78 MHz switching frequency mode. To avoid this eddy current, C T(R)6.78 is designed to be smaller than a value which would completely cancel the L T(R)XHI impedance [20]. Referring to Figure 3c, phasor diagram, the I 6.78 phase is faster than V TX by 90 degree if C T6.78 is chosen to be smaller than a value that resonates L TXHI .…”
Section: Measurement Resultsmentioning
confidence: 99%
See 2 more Smart Citations
“…This coupling may cause an eddy current at L T(R)XLOW during 6.78 MHz switching frequency mode. To avoid this eddy current, C T(R)6.78 is designed to be smaller than a value which would completely cancel the L T(R)XHI impedance [20]. Referring to Figure 3c, phasor diagram, the I 6.78 phase is faster than V TX by 90 degree if C T6.78 is chosen to be smaller than a value that resonates L TXHI .…”
Section: Measurement Resultsmentioning
confidence: 99%
“…smaller than a value which would completely cancel the LT(R)XHI impedance [20]. Referring to Figure 3c, phasor diagram, the I6.78 phase is faster than VTX by 90 degree if CT6.78 is chosen to be smaller than a value that resonates LTXHI.…”
Section: Proposed Dual-impedance-frequency Operationmentioning
confidence: 99%
See 1 more Smart Citation
“…Band-stop filter in [31] filters' undesired parasitic eddy current from higher frequency induced across lower frequency coil path. The design is then revised in [32] with minimization of large spacing between low and high frequency coils and discrete inductor size along with total number of inverters. With careful combination of impedance values and coil-winding track, magnitude and phase of higher frequency voltage are fine-tuned to attain nil summation of total voltage across lower frequency path.…”
Section: Resonator Configurationmentioning
confidence: 99%
“…Research activities, addressing the lower frequency (87 -205 kHz) Qi standard [3]- [7] and the higher frequency (6.78 MHz) AirFuel standard [8]- [18], grew as well. Some work [19], [20] are targeting both standards and other work [21], [22] reported operation outside those standards. Higher frequencies promise size reduction of passive components.…”
Section: Introductionmentioning
confidence: 99%