Photonic Microwave Image-Reject Mixer with Large Suppression of Mixing Spurs

被引：0
|
作者：
Tang, Zhenzhou [1 ]
Pan, Shilong [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Minist Educ, Key Lab Radar Imaging & Microwave Photon, Nanjing 210016, Jiangsu, Peoples R China
来源：
2016 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM (IMS) | 2016年
关键词：
Mixer; I/Q mixer; image reject mixer; phase shifter; microwave photonics;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Based on a photonic microwave phase shifter, a microwave image-reject mixer (IRM) with all the mixing spurs suppressed is proposed in this paper, by using a dual-polarization dual-drive Mach-Zehnder modulator (DPol-DMZM). A proof-of-concept experiment is conducted. Due to the wide band and precise 90-degree phase shift introduced by the photonic microwave phase shifter, the image rejection ratio reaches similar to 60 dB when the RF and LO frequencies are within 10-40 GHz. In addition, the mixing spurs are all suppressed below the noise floor.
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页数：4
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