Development and measurement of 10 GHz oscillators with ultra‐low phase noise

Andrade, L A; Aguiar, O. D.; Mosso, Marbey M.; Santos, B. P.; Podcameni, A.

doi:10.1002/mop.24239

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Microwave Oscillator Phase Noise Measurements1

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2014

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“…In microwave and millimeter frequencies, spectrum analyzers, heterodyne techniques , phase delay, and phase lock are very difficult and imprecise methods. Then, two identical microwave sources have to be realized to excite the local oscillator and signal ports of a double balanced microwave mixer.…”

Section: Microwave Oscillator Phase Noise Measurementsmentioning

confidence: 99%

Single loop phase noise measurement of microwave oscillators

Magri

Aguiar

Leme

et al. 2014

Micro & Optical Tech Letters

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This work describes a simplified procedure to measure ultralow phase‐noise in microwave oscillators using the delay properties of high quality factor cavities. Measurement procedures are achieved using only one microwave source and two signals extracted from this feedback loop. Phase noise performance better than −130 dBc/Hz can be achieved through the proposed procedure. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:2304–2310, 2014

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Section: Microwave Oscillator Phase Noise Measurementsmentioning

confidence: 99%