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A Simultaneous Dual-Carrier Transformer-Coupled Passive Mixer-First Receiver Front-End Supporting Blocker Suppression

A Simultaneous Dual-Carrier Transformer-Coupled Passive Mixer-First Receiver Front-End Supporting Blocker Suppression 150 150
Author(s): Jamie C. Ye, Alain H. Antón, Sanaz Sadeghi, Russ H. Huang, Alyosha C. Molnar

Abstract:

A high dynamic range N-path passive mixer-first receiver architecture capable of simultaneously down-converting two arbitrary bands through a single RF port is presented. The architecture consists of two passive mixers arranged in a series configuration with a transformer front-end to minimize cross-loading between mixers while still providing impedance transparency and …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1541 – 1553
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3546082
Publisher: IEEE

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A Multi-Core Series-Resonance CMOS Oscillator

A Multi-Core Series-Resonance CMOS Oscillator 150 150
Author(s): Shiwei Zhang, Wei Deng, Haikun Jia, Zhihua Wang, Baoyong Chi

Abstract:

Multi-core and series-resonance (SR) techniques have been proposed to achieve ultra-low phase noise (PN) performance. In this article, a scalable ring-coupling scheme is proposed for multi-core expansion. The mechanism provides intrinsic oscillation and PN reduction without compromising the passive network, specifically tailored for the SR oscillator. The dual closed ring …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1644 – 1655
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3529600
Publisher: IEEE

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