A Microwave Photonic Channelizer Based on Dual-output Image-reject Mixer

CHEN Bo; FAN Yangyu; WANG Wuying; GAO Yongsheng

doi:10.11999/JEIT210035

Volume 44 Issue 3

Mar. 2022

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Article Navigation > Journal of Electronics & Information Technology > 2022 > 44(3): 1067-1074

CHEN Bo, FAN Yangyu, WANG Wuying, GAO Yongsheng. A Microwave Photonic Channelizer Based on Dual-output Image-reject Mixer[J]. Journal of Electronics & Information Technology, 2022, 44(3): 1067-1074. doi: 10.11999/JEIT210035

Citation:

CHEN Bo, FAN Yangyu, WANG Wuying, GAO Yongsheng. A Microwave Photonic Channelizer Based on Dual-output Image-reject Mixer[J]. Journal of Electronics & Information Technology, 2022, 44(3): 1067-1074. doi: 10.11999/JEIT210035

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A Microwave Photonic Channelizer Based on Dual-output Image-reject Mixer

doi: 10.11999/JEIT210035

CHEN Bo^{1, 2},
FAN Yangyu²,
WANG Wuying²,
GAO Yongsheng^{2
,
,}

1.
School of Physics & Electronic Engineering, Xianyang Normal University, Xianyang 712000, China
2.
School of Electronics and Information, Northwestern Polytechnical University, Xi’an 710048, China

Funds: The National Natural Science Foundation of China (61701412), The National Postdoctoral Program for Innovative Talents (BX201700197), The Project funded by the China Postdoctoral Science Foundation (2017M623238), Shaanxi Provincial Key Research and Development Program (2021NY-213), The Special Scientific Research Program of Shaanxi Provincial Department of Education (21JK0968)

Received Date: 2021-01-11
Accepted Date: 2021-07-08
Rev Recd Date: 2021-07-08

Available Online: 2021-12-10

Publish Date: 2022-03-28

Abstract

Abstract

The microwave photonic channelizer can convert the Radio Frequency (RF) signal into the optical domain for transmission and procession, avoiding effectively the limitation of electronic bottleneck, and realizing the instantaneous reception of ultra-wideband signal or multi-frequency signals, which can be perfectly applied to radar system and electronic warfare. In this paper, a microwave photonic channelizer based on dual-output image-reject mixer is proposed, both the signal path and the local oscillator path are divided into three paths by using an optical coupler. An acousto-optic frequency shifter is used by the optical local oscillator to shift the frequency to the left and right and then enters the image rejection mixer with the signal path. Finally, a 6 GHz bandwidth RF signal is divided into 6 subchannels with a bandwidth of 1 GHz to achieve simultaneous reception. This scheme needs no optical frequency comb and doubles the channelization efficiency, the image rejection ratio of the sub-channels all exceeds 22 dB, and the spurious-free dynamic range of the system can reach 91.4 dB·Hz ^2∕3.
- Microwave photonics,
- Channelization,
- Acousto-optic frequency shifter,
- Image rejection,
- Optical coupler

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References(17)

References

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