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<?Pub Dtl?>The paper presents design optimization strategies and a comparison of the performance of SiGe HBT fundamental and push–push Colpitts and Colpitts–Clapp voltage-controlled oscillators (VCOs), with and without doublers and buffers, as possible solutions for efficient milliwatt-level, low-noise signal sources at submillimeter-wave frequencies. The fundamental frequency Colpitts VCO covers...
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