A broadband GaAs MMIC frequency doubler on left-handed nonlinear transmission lines |
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| Authors: | Dong Junrong Huang Jie Tian Chao Yang Hao Zhang Haiying |
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| Affiliation: | Institute of Microelectronics, Chinese Academy of Sciences, Beijing 100029, China |
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| Abstract: | A broadband frequency doubler using left-handed nonlinear transmission lines (LH NLTLs) based on MMIC technology is reported for the first time.The second harmonic generation on LH NLTLs was analyzed theoretically.A four-section LH NLTL which has a layout of 5.4 × 0.8 mm2 was fabricated on GaAs semi-insulating substrate.With 20-dBm input power,the doubler obtained 6.33 dBm peak output power at 26.8 GHz with 24-43 GHz -6 dBm bandwidth.The experimental results were quite consistent with the simulated results.The compactness and the broad band characteristics of the circuit make it well suit for GaAs RF/MMIC application. |
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| Keywords: | GaAs MMIC technology LH NLTLs frequency doubler |
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