94 GHz phase-shift-keying modulator |
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| Authors: | Liquan He Fei Hong and Yong Li |
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| Institution: | (1) State Key Laboratory of Millimeter Waves Department of Radio Engineering, Southeast University, 210096 Nanjing, People's Republic of China |
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| Abstract: | This paper describes a kind of low insertion loss phase-shift-keying modulators used in 94GHz digital communications systems. A BPSK modulator with a insertion loss lower than 3.8dB has been achieved by connecting a circulator and a fin-line PIN diode phase shifter in series. The bandwidth is 2.5GHz given a phase error of ±50. The circuits and experimental results are also given out. |
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