Citation: |
Dong Yan, Luhong Mao, Qiujie Su, Sheng Xie, Shilin Zhang. A millimeter wave linear superposition oscillator in 0.18 μm CMOS technology[J]. Journal of Semiconductors, 2014, 35(1): 015006. doi: 10.1088/1674-4926/35/1/015006
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D Yan, L H Mao, Q J Su, S Xie, S L Zhang. A millimeter wave linear superposition oscillator in 0.18 μm CMOS technology[J]. J. Semicond., 2014, 35(1): 015006. doi: 10.1088/1674-4926/35/1/015006.
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A millimeter wave linear superposition oscillator in 0.18 μm CMOS technology
DOI: 10.1088/1674-4926/35/1/015006
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Abstract
This paper presents a millimeter wave (mm-wave) oscillator that generates signal at 36.56 GHz. The mm-wave oscillator is realized in a UMC 0.18 μm CMOS process. The linear superposition (LS) technique breaks through the limit of cut-off frequency (fT), and realizes a much higher oscillation than fT. Measurement results show that the LS oscillator produces a calibrated -37.17 dBm output power when biased at 1.8 V; the output power of fundamental signal is -10.85 dBm after calibration. The measured phase noise at 1 MHz frequency offset is -112.54 dBc/Hz at the frequency of 9.14 GHz. This circuit can be properly applied to mm-wave communication systems with advantages of low cost and high integration density. -
References
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