X-band 1600 W wideband amplitude-phase coherence pulsed TWTA for space application

Huang Weibo; Yang Fei; Li Hui; Chen Qianwen; Fu Hao

doi:10.11884/HPLPB202032.200100

Volume 32 Issue 8

Aug. 2020

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Huang Weibo, Yang Fei, Li Hui, et al. X-band 1600 W wideband amplitude-phase coherence pulsed TWTA for space application[J]. High Power Laser and Particle Beams, 2020, 32: 083004. doi: 10.11884/HPLPB202032.200100

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Huang Weibo, Yang Fei, Li Hui, et al. X-band 1600 W wideband amplitude-phase coherence pulsed TWTA for space application[J]. High Power Laser and Particle Beams, 2020, 32: 083004. doi: 10.11884/HPLPB202032.200100

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X-band 1600 W wideband amplitude-phase coherence pulsed TWTA for space application

doi: 10.11884/HPLPB202032.200100

China Academy of Space Technology (Xi’an), Xi’an 710100, China

Received Date: 2020-04-29
Rev Recd Date: 2020-06-08

Available Online: 2020-06-12

Publish Date: 2020-08-13

Abstract

Abstract

The spatial high-resolution synthetic aperture radar (SAR) puts forward very high requirements for bandwidth, output power and amplitude-phase consistency of the pulsed TWT amplifier. The kW class pulsed TWT amplifier based on broadband power combining is the key technology for space SAR applications. This paper studies the wideband high amplitude-phase consistency control technology and wideband power combining technology of the proposed amplifier. The space amplifier dual-channel power combining integrated architecture is proposed. More than 95% synthesis efficiency is achieved within 3 GHz bandwidth, and consistency of multiple products is less than ±10°.
- space application,
- synthetic aperture radar,
- power amplifier,
- TWT,
- power combining

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References(13)

References

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