Latest Advancements in High-Power Millimeter-Wave Helix TWTs

Chong, C.K.; Menninger, W.L.

doi:10.1109/tps.2010.2041940

Cited by 95 publications

(26 citation statements)

References 35 publications

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“…When the feature sizes are smaller than a millimeter, those compact vacuum electronic devices may no longer utilize conventional fabrication techniques, because the reliability and repeatability is lack of guarantee [3]. Fortunately, micro-electro-mechanical systems (MEMS) can meet these requirements [4].…”

Section: Introductionmentioning

confidence: 99%

U-shaped microstrip meander-line slow-wave structure for Ka-band traveling-wave tube

Shen

Wei

et al. 2012

2012 International Conference on Microwave and Millimeter Wave Technology (ICMMT)

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Study on U-shaped microstrip meander-line slowwave structure for a low voltage, wide bandwidth millimeter traveling-wave tube is presented. The electromagnetic characteristics and the sheet beam-wave interaction of this structure are carried out. The simulation results predicts that this millimeter-wave power amplifier is capable of delivering hundreds of watts output power in the frequency range of 29-38 GHz, and the peak power is about 200 watts with the correspondding gain of 33 dB at 35 GHz.

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Section: Introductionmentioning

confidence: 99%

U-shaped microstrip meander-line slow-wave structure for Ka-band traveling-wave tube

Shen

Wei

et al. 2012

2012 International Conference on Microwave and Millimeter Wave Technology (ICMMT)

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“…One of the most common vacuum electron device is the Traveling Wave Tube (TWT), presently used in most communications satellites as wideband power amplifier for its high RF power levels and reliability [7][8].…”

Section: A W-band Traveling Wave Tubementioning

confidence: 99%

Millimeter wave wireless system based on point to multipoint transmissions

Paoloni

Magne²,

André

et al. 2016

2016 European Conference on Networks and Communications (EuCNC)

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“…Traveling-wave tube amplifiers (TWTAs) are still a very effective means for microwave and millimeter-wave power amplification [1]. However, there is inherent contradiction between efficiency and nonlinearity in TWTAs.…”

Section: Introductionmentioning

confidence: 99%

Predistortion Linearization of a Ku-Band TWTA for Communication Applications

Chen¹,

Zhou²,

Xu³

et al. 2013

Proceedings of the 2nd International Conference on Computer Science and Electronics Engineering (ICCSEE 2013)

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Abstract-This paper presents a Ku-band predistortion linearization for traveling wave tube amplifiers(TWTAs), it is composed of GaAs Schottky diode and resistor-terminated transmission line. By controlling the DC bias, the linearizer is capable of providing different combinations of the amplitude and phase characteristics. Otherwise, the predistortion circuit shows the perfect input matching characteristics which makes it small size and simple configuration. The tested results show that about 7dB gain expansion and 45 degree phase shift can be compensated for the TWTA.

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Latest Advancements in High-Power Millimeter-Wave Helix TWTs

Cited by 95 publications

References 35 publications

U-shaped microstrip meander-line slow-wave structure for Ka-band traveling-wave tube

U-shaped microstrip meander-line slow-wave structure for Ka-band traveling-wave tube

Millimeter wave wireless system based on point to multipoint transmissions

Predistortion Linearization of a Ku-Band TWTA for Communication Applications

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