Ultrahigh dynamic range and low noise figure programmable integrated microwave photonic filter. [PDF]
Nat Commun, 2022 The authors demonstrate programmable integrated microwave photonic filters with low noise figure and ultrahigh dynamic range, using combination of modulation transformer and double injection ring resonator in a single photonic chip.
Daulay O +11 more
europepmc +3 more sources
Noise figure limits for circular loop MR coils. [PDF]
Magn Reson Med, 2009 Kumar A, Edelstein WA, Bottomley PA.
europepmc +4 more sources
Study on cascade noise figure of receivers with down converter
Dianzi Jishu Yingyong, 2021 According to the definition of noise figure，this paper deduces the cascade noise figure formula of receivers with mixers. By using this formula，it is easy to calculate and analysis the system noise figure affected by the device noise figure, gain and ...
Zhang Guangxian
doaj +1 more source
Noise Figure Characteristics of Erbium Doped Fiber Amplifiers at single and multiple amplified stage [PDF]
مجلة التربية والعلم, 2012 In this study, an Erbium Doped Fiber Amplifier (EDFAs) simulation program has been written in Matlab to characterize Noise Figure variations of a forward pumped EDFAs operating in C band (1525-1565 nm) as functions of Er3+ fiber length, injected pump ...
Ragheed M. Ibrahim +2 more
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Sensitivity Analysis of the Simply Noise-matched Receiving Coil for NMR Experiments
Measurement Science Review, 2020 The article analyzes the sensitivity of unmatched receiving coil for the NMR scanner. Receiver of the scanner was investigated from the point of view of noise features. Theory of the noise figure has been modified to utilize the receiver for digitization
Andris Peter, Frollo Ivan
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Theoretical Analysis of Noise Figure for Modulated Wideband Converter
IEEE Transactions on Circuits and Systems Part 1: Regular Papers, 2020 The Modulated Wideband Converter (MWC) is one of the promising sub-Nyquist sampling architectures for sparse wideband signal sensing, cognitive radio applications and so on. In order to design an MWC-based RF receiver that meets a target RF specification,
Zolboo Byambadorj +5 more
semanticscholar +1 more source
Influence of local oscillator phase noise on noise figure of wideband receiver
Dianzi Jishu Yingyong, 2020 Based on the analysis of the influence of wide-band local oscillator with different phase noise on the received noise figure of the wideband receiver, a wideband mixer is used to actually test to obtain the phase noise of the mixer IF signal, through the
Li Xiaqin
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Balun LNA Thermal Noise Analysis and Balancing With Common-Source Degeneration Resistor
IEEE Access, 2020 The Balun low noise amplifier (LNA) is an LNA that exploits a combination of a common-source (CS) and a common-gate (CG) transistors, which cancels the noise and distortion of the CG stage.
Qusai M. Abubaker, Lutfi Albasha
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Effects of DUT mismatch on the noise figure characterization: A comparative analysis of two Y-factor techniques [PDF]
, 2002 Device mismatch seriously degrades accuracy in noise figure characterization. The suitability of corrections to the gain definitions for a more precise noise figure evaluation for mismatched devices is investigated and compared to classical techniques ...
Collantes, J.M. +2 more
core +1 more source