Passive intermodulation model and experimental verification of cascaded microwave devices
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s1759078717000186
Abstract: Passive intermodulation (PIM) is a complex problem in high-power microwave devices and satellite communications. In this paper, an effective calculation method is proposed for predicting PIM power levels of the cascaded microwave devices. First of… read more here.
Keywords: microwave devices; model; cascaded microwave; passive intermodulation ... See more keywords
Modelling of the passive intermodulation in coaxial connectors with broadband signal excitation
Sign Up to like & getrecommendations! Published in 2019 at "Electronics Letters"
DOI: 10.1049/el.2019.0705
Abstract: Theoretical calculations and simulations are introduced to explain the passive intermodulation power level rise (PLR) in coaxial connectors with broadband signal excitation for the third-order intermodulation products. An equivalent model is developed to describe the… read more here.
Keywords: coaxial connectors; connectors broadband; passive intermodulation; broadband signal ... See more keywords
Utilizing Passive Intermodulation Response of Frequency-Modulated Continuous-Wave Signal for Target Identification and Mapping
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2021.3084205
Abstract: In this paper, a passive-intermodulation-based tracking system working with a frequency-modulated continuous-wave (FMCW) is proposed for target identification and localization. Signals in the microwave range are chosen to realize ranging purposes for the benefits of… read more here.
Keywords: passive intermodulation; modulated continuous; target; frequency modulated ... See more keywords
Reconfigurable Passive Intermodulation Behavior on Nickel-Coated Cell Array
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Electromagnetic Compatibility"
DOI: 10.1109/temc.2017.2654818
Abstract: This paper presents a phenomenological study about the passive intermodulation (PIM) behavior on a reconfigurable nickel-coated cell array. An artificial transmission line with reconfigurable nonlinearity is employed for demonstrating PIM generation and propagation behavior. This… read more here.
Keywords: passive intermodulation; pim; nickel coated; cell array ... See more keywords
Analysis of Passive Intermodulation Distortion Caused by Asymmetric Electrical Contact
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3140447
Abstract: This article investigates the passive intermodulation (PIM) distortion induced by the asymmetric electrical contact. Based on the analytical model, it is found that the increased current path is the cause of the additional impedance, resulting… read more here.
Keywords: passive intermodulation; distortion; electrical contact; asymmetric electrical ... See more keywords
Improved Design of Flange Mount Coaxial Connector With Low Passive Intermodulation Distortion
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3150893
Abstract: Imperfect electrical connections cause multiple problems in radio-frequency (RF) measurements, with passive intermodulation (PIM) being the most common one. This article proposes a new design approach to reduce the PIM distortion caused by the imperfect… read more here.
Keywords: coaxial connector; mount coaxial; flange; flange mount ... See more keywords
Nonlinear Characterization for Microstrip Circuits With Low Passive Intermodulation
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2017.2758726
Abstract: Products of passive intermodulation (PIM) generated by weak nonlinearities of passive circuits subjected to relatively high transmit power of multicarrier signals may cause strong interference in emerging broadband and multiradio communication systems. This paper presents… read more here.
Keywords: nonlinear characterization; characterization; passive intermodulation; microstrip circuits ... See more keywords
Modeling of Passive Intermodulation With Electrical Contacts in Coaxial Connectors
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2018.2838147
Abstract: Coaxial connectors are one of the main contributors to passive intermodulation (PIM) in radio frequency systems. Such systems exhibit nonlinear characteristics, especially as the transmission power is increased. In this paper, microscopic surface analysis and… read more here.
Keywords: intermodulation electrical; passive intermodulation; modeling passive; power ... See more keywords
Passive Intermodulation in Simultaneous Transmit–Receive Systems: Modeling and Digital Cancellation Methods
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2020.2996206
Abstract: This article presents novel solutions for suppressing passive intermodulation (PIM) distortion in frequency-division duplexing (FDD)-based radio transceivers, stemming from nonlinear radio frequency (RF) components and simultaneous transmission and reception, with special emphasis on modern carrier… read more here.
Keywords: passive intermodulation; distortion; digital cancellation; transmit ... See more keywords
Digital cancellation scheme and hardware implementation for high-order passive intermodulation interference based on Hammerstein model
Sign Up to like & getrecommendations! Published in 2019 at "China Communications"
DOI: 10.23919/jcc.2019.09.012
Abstract: Passive intermodulation (PIM) interference urgently needs to be solved in the satellite communication system, owing to degrading the whole performance. Mainstream research contributions to the cancellation method for PIM were focused on the analog domain,… read more here.
Keywords: hammerstein model; pim; passive intermodulation; cancellation ... See more keywords