Push-pull power amplifier integrated with microstripleaky-wave antenna

Hang, C.Y.; Deal, W.R.; Qian, Yongxi; Itoh, T.

doi:10.1049/el:19991318

Cited by 7 publications

(5 citation statements)

References 2 publications

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“…The balanced output of the IC can then perform an additional function of the input hybrid of the push-pull amplifier, whereas the output hybrid is replaced by a dual fed antenna to form an active integrated antenna [1,2]. In this way, the antenna has the dual function of radiating and signal combining.…”

Section: Introductionmentioning

confidence: 99%

“…This eliminates the bulky hybrids, which would otherwise make the use of balanced amplifiers operating over a broadband impractical. Previous works [1,2] are only able to operate over a narrow frequency band and the signal combination is done within the antenna structure. These structures in their present form are not suited to broadband operation [2], although in principle they can be modified for it.…”

Section: Introductionmentioning

confidence: 99%

“…Previous works [1,2] are only able to operate over a narrow frequency band and the signal combination is done within the antenna structure. These structures in their present form are not suited to broadband operation [2], although in principle they can be modified for it. Conventionally, to counteract this bandwidth problem, multiple single band amplifiers are used for each band, respectively.…”

Section: Introductionmentioning

confidence: 99%

“…Frequency selective surfaces (FSS) find their applications in many engineering areas as spatial and narrow band infrared sources [1][2][3]. The resonant frequency of the FSS based on single or double metallic rings can be adjusted by varying the dimensions of the metallic rings [4].…”

Section: Introductionmentioning

confidence: 99%

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Broadband differential fed integrated antenna

Mok¹,

Mok²,

Chan³

et al. 2008

Micro & Optical Tech Letters

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A broadband differential fed integrated antenna operating between 0.9 and 2.3 GHz suitable for future software defined radios is presented in this article. Two distributed amplifiers in push‐pull configuration are connecting directly to a modified differential fed bow‐tie antenna, which also performs the dual function of signal combining and radiation. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1320–1324, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23384

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Broadband differential fed integrated antenna

Mok¹,

Mok²,

Chan³

et al. 2008

Micro & Optical Tech Letters

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“…In the third case, the active integrated antenna concept is introduced to push-pull amplifier integrated with a microstrip leaky-wave antenna [10]. The microstrip leaky-wave antenna features moderately high gain, good efficiency and can potentially be frequency scanned [11][12].…”

Section: X-band Push-pull Amplifier Integrated With a Microstrip Leakmentioning

confidence: 99%

High efficiency transmitter front-ends integrated with planar antennas and PBG

Hang¹,

Deal²,

Qian³

et al.

2000 Asia-Pacific Microwave Conference. Proceedings (Cat. No.00TH8522)

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In this paper, we present two novel design architectures that utilizing either a periodic structure or an active integrated antenna (AIA) for harmonic tuning in transmitter frontend designs. These techniques promise to significantly improve the power amplifier efficiency, reduce losses and weight, as well as maintaining good linearity requirements of advanced wireless communication systems. We will illustrate these two concepts through several design examples that have been developed recently, including a power amplifier integrated with novel PBG ground plane for harmonic tuning and four push-pull PA design examples, where the AIA concept is implemented to allow antenna to serve as a power combiner, a harmonic tuning load, in addition to its original functionality as a radiating element.

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