IEEE MTT-S International Microwave Symposium digest · 2003 · 19 citations · 9 references
EngineeringElectrical EngineeringPhysicsCondensed Matter PhysicsElectronic MaterialsMicrowave EngineeringMicrowave MaterialsMicrowave OscillatorsMicrowave ResonatorsResonant CircuitsSuperconducting MaterialsSuperconducting Thin FilmsFlicker NoiseHigh-temperature SuperconductorsPhase NoiseResonator Quality FactorStripline ResonatorsSuperconducting ResonatorsSurface ResistanceSurface Resistance Measurement
The use of high-transition-temperature (T/sub c/) superconducting resonators to stabilize oscillators operating between 1 and 10 GHz is discussed. Measurements of surface resistance are presented and related to the resonator quality factor (Q). Projections of resonator Q and oscillator phase noise are discussed. Improved materials should offer a greater than 20-dB reduction in noise over competing technology. The implications of flicker noise in reaching this level of performance are discussed, and preliminary measurements of flicker noise in the high-T/sub c/ materials are reported.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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A simple model of feedback oscillator noise spectrum
D.B. Leeson · Proceedings of the IEEE · 1966 · 2.4K citations
Characteristics and Sources of Phase Noise in Stable Oscillators
T.E. Parker · 1987 · 146 citations