Resonant frequency

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A 298–334-GHz Scalable Injection-Locked Phased-Array Radiator With Second-Subharmonic-Termination-Assisted Waveform Formulation for Power Enhancement

A 298–334-GHz Scalable Injection-Locked Phased-Array Radiator With Second-Subharmonic-Termination-Assisted Waveform Formulation for Power Enhancement 150 150
Author(s): Meng Yang, Liang Wu

Abstract:

This article introduces an injection-locked $4\times 2$ phased-array radiator featuring scalability in both horizontal and vertical dimensions. The system architecture is constructed by sequentially cascading four identical phase-shifting and frequency-quadrupling (PSFQ) elements in a chain-like configuration and then cohering two such chains, thereby achieving global frequency synchronization. Particularly, phase shifting and …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3624563
Publisher: IEEE

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A Millimeter-Wave Standing-Wave Oscillator With Frequency-Specific Wave-Velocity Control Demonstrating Class-F Effects

A Millimeter-Wave Standing-Wave Oscillator With Frequency-Specific Wave-Velocity Control Demonstrating Class-F Effects 150 150
Author(s): Wei-Yu Lin, Jun-Chau Chien

Abstract:

Implementing dual-resonance class-F oscillators with transformer feedback beyond 60 GHz poses significant challenges due to the limited third-harmonic tank impedance when using small coils with low coupling factors. To address these limitations and leverage the phase noise advantages of class-F operation, this letter introduces a standing-wave oscillator (SWO) topology featuring an …

Published in: IEEE Solid-State Circuits Letters
Page(s): 181 – 184
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3578942
Publisher: IEEE

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