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A full Ka-band solid-state power amplifier has been presented and designed using a waveguide-based spatial power-combining technique based on E-plane anti-phase probes. The power divider/combiner employed in this design provides not only a high power-combining efficiency over a full waveguide bandwidth, but also efficient heat sinking for the active power devices. A simple design approach for the...
This paper presents an modeling of on-chip M:N transformer with six-port and develops a series branch parameters extraction methodology for the proposed transformer model. These model and parameters extraction methodology are verified by measurements and full-wave electromagnetic simulation. Compared with the measurement, the proposed transformer model can accurately predict the performance of transformer...
In this paper, a Q-band CMOS low noise amplifier (LNA) exploiting transformer positive-negative feedback and noise cancelling is presented. The proposed low noise amplifier consists of a positive transformer feedback to achieve noise-reduction and a negative transformer feedback to obtain good reverse isolation and stability. The noise cancellation technique is applied in this LNA to achieve a low...
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