2010
DOI: 10.1049/iet-map.2009.0588
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Power and gain considerations in distributed amplifiers based on composite right/left-handed transmission lines

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Cited by 18 publications
(25 citation statements)
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“…Figure 5c depicts the measured results of power-added efficiency (PAE) as a function of the input power at 1 GHz. The obtained values are close to the theoretical limit of 40%, which meet those obtained in previous works [8,16]. The PAE for the dual-fed configuration for a 14 dBm input power is shown in Figure 5d as a function of frequency.…”
Section: Resultssupporting
confidence: 90%
See 1 more Smart Citation
“…Figure 5c depicts the measured results of power-added efficiency (PAE) as a function of the input power at 1 GHz. The obtained values are close to the theoretical limit of 40%, which meet those obtained in previous works [8,16]. The PAE for the dual-fed configuration for a 14 dBm input power is shown in Figure 5d as a function of frequency.…”
Section: Resultssupporting
confidence: 90%
“…While the forward gain of a conventional DA is broadband, the reverse gain is narrowband and, as a consequence, the dual-fed DA frequency response is also narrowband. Some authors have proposed using composite right/left-handed (CRLH) transmission lines to operate at high frequencies [8]. In this case, the frequency response changes from low-pass to pass-band, but the bandwidth is still limited by the narrowband response of the reverse path.…”
Section: Introductionmentioning
confidence: 99%
“…In order to increase the power gain, different dual-fed DA configurations have been proposed [2][3][4], but the input/output return-losses are low. In order to improve the return-losses, the well-known balanced amplifier configuration may be used.…”
Section: Introductionmentioning
confidence: 99%
“…A compact DFDA with single-ended termination was shown in [9] demonstrating a practical realization with meandered artificial transmission lines loaded with short-circuit stubs. Other works related to DFDA approach were demonstrated by [10,11].…”
Section: Introductionmentioning
confidence: 99%