Academic literature on the topic 'Microwave front-ends'

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Journal articles on the topic "Microwave front-ends"

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Chu, James. "Integrated Microwave Front-Ends with Avionics Applications [Book\/Software Reviews]." IEEE Microwave Magazine 16, no. 4 (2015): 130–32. http://dx.doi.org/10.1109/mmm.2015.2398595.

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Martínez-Vázquez, Marta, Christos Oikonomopoulos-Zachos, Kai Maulwurf, et al. "Highly integrated antennas and front-ends for 60 GHz WLAN applications." International Journal of Microwave and Wireless Technologies 3, no. 2 (2011): 157–70. http://dx.doi.org/10.1017/s1759078711000298.

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This paper provides an overview of the research carried on in the EASY-A project concerning the design of antennas for different applications in the unlicensed band around 60 GHz, and their integration into compact RF front-ends. Different antenna configurations, in conventional microwave substrate and low-temperature co-fired ceramics (LTCC), were studied and fabricated. The results comply with the requirements established for various scenarios.
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Phuong, Linh Ta, Bernard Journet, and Duong Bach Gia. "A microwave active filter for nanosatellite’s receiver front-ends at s-bands." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 2 (2019): 973. http://dx.doi.org/10.11591/ijece.v9i2.pp973-981.

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<p>In satellite technology, the communication between space segment and ground segment plays a vital role in the success of the mission. This paper is targeted at study, design and fabrication of a microwave active filter for the receiver front-ends using coupled line filter structure, which can be applied to the nanosatellite’s communication subsystem. The whole active filter module is a combination of a microstrip bandpass filter and a preceding two-stage wideband low noise amplifier using FET devices. The proposed module operates in the frequency range of 2 - 2.4 GHz, which can be divided to 10 frequency slots of about 40 MHz for each. These frequency slots will be used for the S-band multi-frequency receiving function of the ground station, as well as the nanosatellite. The simulated and measured results of this active filter configuration are presented.</p>
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Rizzoli, Vittorio, Diego Masotti, and Franco Mastri. "Computation of near-carrier phase noise in large RF/microwave front ends." Microwave and Optical Technology Letters 26, no. 1 (2000): 24–30. http://dx.doi.org/10.1002/(sici)1098-2760(20000705)26:1<24::aid-mop8>3.0.co;2-d.

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Streifinger, M., T. Müller, J. F. Luy, and E. M. Biebl. "A software-radio front-end for microwave applications." Advances in Radio Science 1 (May 5, 2003): 201–5. http://dx.doi.org/10.5194/ars-1-201-2003.

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Abstract. In modern communication, sensor and signal processing systems digitisation methods are gaining importance. They allow for building software configurable systems and provide better stability and reproducibility. Moreover digital front-ends cover a wider range of applications and have better performance compared with analog ones. The quest for new architectures in radio frequency front-ends is a clear consequence of the ever increasing number of different standards and the resulting task to provide a platform which covers as many standards as possible. At microwave frequencies, in particular at frequencies beyond 10 GHz, no direct sampling receivers are available yet. A look at the roadmap of the development of commercial analog-to-digital-converters (ADC) shows clearly, that they can neither be expected in near future. We present a novel architecture, which is capable of direct sampling of band-limited signals at frequencies beyond 10 GHz by means of an over-sampling technique. The wellknown Nyquist criterion states that wide-band digitisation of an RF-signal with a maximum frequency ƒ requires a minimum sampling rate of 2 · ƒ . But for a band-limited signal of bandwidth B the demands for the minimum sampling rate of the ADC relax to the value 2 · B. Employing a noise-forming sigma-delta ADC architecture even with a 1-bit-ADC a signal-to-noise ratio sufficient for many applications can be achieved. The key component of this architecture is the sample-and-hold switch. The required bandwidth of this switch must be well above 2 · ƒ . We designed, fabricated and characterized a preliminary demonstrator for the ISM-band at 2.4 GHz employing silicon Schottky diodes as a switch and SiGe-based MMICs as impedance transformers and comparators. Simulated and measured results will be presented.
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Gomez-Garcia, Roberto, Dimitra Psychogiou, Jose-Maria Munoz-Ferreras, and Li Yang. "Avoiding RF Isolators: Reflectionless Microwave Bandpass Filtering Components for Advanced RF Front Ends." IEEE Microwave Magazine 21, no. 12 (2020): 68–86. http://dx.doi.org/10.1109/mmm.2020.3023222.

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Bonnet, B., R. Chiniard, H. Legay, et al. "Use of 3D Packaging Technology for Satellite Active Antennas Front-ends." International Symposium on Microelectronics 2012, no. 1 (2012): 000554–60. http://dx.doi.org/10.4071/isom-2012-wa14.

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Multi-Chip Module Vertical (MCM-V) technology, also called 3D packaging technology, enables the realization of a compact and low loss integrated feed for active antennas in Ka band. The active devices can be located in the vicinity of the radiating element, which reduces dramatically the volume and complexity of the antenna front-end for future architectures with more than a hundred beams in Ka band. This paper deals with the optimization of 3D packaging technology to reach the requirements of 30GHz microwave modules for space applications. The technological developments that have been led on the design and the assembly processes are detailed. The measurement results of an integrated feed module in radiation are given and the circuit designed to optimize the signal-to-noise ratio of the front-end for receiving antennas is characterized. The performance is as good as for an optimized planar front-end with a waveguide access for a much more compact module, especially in terms of footprint in an antenna array. These results successfully position 3D packaging as a disruptive technology for future space and telecom subsystems.
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Olomo Ngongo, A., R. Soares, and A. Perennec. "Network synthesis applied to the design of tuned optical front-ends for microwave lightwave systems." Electronics Letters 30, no. 2 (1994): 164–65. http://dx.doi.org/10.1049/el:19940120.

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Tillman, R. H., S. W. Ellingson, and J. Brendler. "Practical Limits in the Sensitivity-Linearity Trade-off for Radio Telescope Front Ends in the HF and VHF-low Bands." Journal of Astronomical Instrumentation 05, no. 02 (2016): 1650004. http://dx.doi.org/10.1142/s2251171716500045.

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Radio telescope front ends must have simultaneously low noise and sufficiently-high linearity to accommodate interfering signals. Typically these are opposing design goals. For modern radio telescopes operating in the HF (3–30[Formula: see text]MHz) and VHF-low (30–88[Formula: see text]MHz) bands, the problem is more nuanced in that front end noise temperature may be a relatively small component of the system temperature, and increased linearity may be required due to the particular interference problems associated with this spectrum. In this paper, we present an analysis of the sensitivity-linearity trade-off at these frequencies, applicable to existing commercially-available monolithic microwave integrated circuit (MMIC) amplifiers in single-ended, differential, and parallelized configurations. This analysis and associated findings should be useful in the design and upgrade of front ends for low frequency radio telescopes. The analysis is demonstrated explicitly for one of the better-performing amplifiers encountered in this study, the Mini-Circuits PGA-103, and is confirmed by hardware measurements. We also present a design based on the Mini-Circuits HELA-10 amplifier, which is better-suited for applications where linearity is a primary concern.
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Phuong, Linh Ta, Bernard Journet, and Duong Bach Gia. "Research, design and fabrication of a microwave active filter for nanosatellite’s receiver front-ends at s-band." TELKOMNIKA (Telecommunication Computing Electronics and Control) 17, no. 1 (2019): 23. http://dx.doi.org/10.12928/telkomnika.v17i1.10079.

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Dissertations / Theses on the topic "Microwave front-ends"

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Al, Shamaileh Khair Ayman. "Realization of Miniaturized Multi-/Wideband Microwave Front-Ends." University of Toledo / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1437222522.

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Ahsan, Naveed. "Programmable and Tunable Circuits for Flexible RF Front Ends." Licentiate thesis, Linköping University, Linköping University, Department of Electrical Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-14864.

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<p>Most of today’s microwave circuits are designed for specific function and specialneed. There is a growing trend to have flexible and reconfigurable circuits. Circuitsthat can be digitally programmed to achieve various functions based on specific needs. Realization of high frequency circuit blocks that can be dynamically reconfigured toachieve the desired performance seems to be challenging. However, with recentadvances in many areas of technology these demands can now be met.</p><p>Two concepts have been investigated in this thesis. The initial part presents thefeasibility of a flexible and programmable circuit (PROMFA) that can be utilized formultifunctional systems operating at microwave frequencies. Design details andPROMFA implementation is presented. This concept is based on an array of genericcells, which consists of a matrix of analog building blocks that can be dynamicallyreconfigured. Either each matrix element can be programmed independently or severalelements can be programmed collectively to achieve a specific function. The PROMFA circuit can therefore realize more complex functions, such as filters oroscillators. Realization of a flexible RF circuit based on generic cells is a new concept.In order to validate the idea, a test chip has been fabricated in a 0.2μm GaAs process, ED02AH from OMMIC<sup>TM</sup>. Simulated and measured results are presented along withsome key applications like implementation of a widely tunable band pass filter and anactive corporate feed network.</p><p>The later part of the thesis covers the design and implementation of tunable andwideband highly linear LNAs that can be very useful for multistandard terminals suchas software defined radio (SDR). One of the key components in the design of a flexibleradio is low noise amplifier (LNA). Considering a multimode and multiband radiofront end, the LNA must provide adequate performance within a large frequency band.Optimization of LNA performance for a single frequency band is not suitable for thisapplication. There are two possible solutions for multiband and multimode radio frontends (a) Narrowband tunable LNAs (b) Wideband highly linear LNAs. A dual bandtunable LNA MMIC has been fabricated in 0.2μm GaAs process. A self tuningtechnique has also been proposed for the optimization of this LNA. This thesis alsopresents the design of a novel highly linear current mode LNA that can be used forwideband RF front ends for multistandard applications. Technology process for thiscircuit is 90nm CMOS.</p>
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Hussein, Osama I. "Physically/Electrically Enhanced Microwave & Millimeter Wave Front-ends with Modern Manufacturing Technologies." University of Toledo / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1596732319795901.

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Almalkawi, Mohammad J. "Computer Aided Design of Microwave Front-End Components and Antennas for Ultrawideband Systems." University of Toledo / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1321653715.

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Wang, Guoan. "RF MEMS Switches with Novel Materials and Micromachining Techniques for SOC/SOP RF Front Ends." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/14112.

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This dissertation deals with the development of RF MEMS switches with novel materials and micromachining techniques for the RF and microwave applications. To enable the integration of RF and microwave components on CMOS grade silicon, finite ground coplanar waveguide transmission line on CMOS grade silicon wafer were first studied using micromachining techniques. In addition, several RF MEMS capacitive switches were developed with novel materials. A novel approach for fabricating low cost capacitive RF MEMS switches using directly photo-definable high dielectric constant metal oxides was developed, these switches exhibited significantly higher isolation and load capacitances as compared to comparable switches fabricated using a simple silicon nitride dielectric. The second RF MEMS switch developed is on a low cost, flexible liquid crystal polymer (LCP) substrate. Its very low water absorption (0.04%), low dielectric loss and multi-layer circuit capability make it very appealing for RF Systems-On-a-Package (SOP). Also, a tunable RF MEMS switch on a sapphire substrate with BST as dielectric material was developed, the BST has a very high dielectric constant (>300) making it very appealing for RF MEMS capacitive switches. The tunable dielectric constant of BST provides a possibility of making linearly tunable MEMS capacitor-switches. For the first time a capacitive tunable RF MEMS switch with a BST dielectric and its characterization and properties up to 40 GHz was presented. Dielectric charging is the main reliability issue for MEMS switch, temperature study of dielectric polarization effect of RF MEMS was investigated in this dissertation. Finally, integration of two reconfigurable RF circuits with RF MEMS switches were discussed, the first one is a reconfigurable dual frequency (14GHz and 35 GHz) antenna with double polarization using RF MEMS switches on a multi-layer LCP substrate; and the second one is a center frequency and bandwidth tunable filter with BST capacitors and RF MEMS switches on sapphire substrate.
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Bairavasubramanian, Ramanan. "Development of microwave/millimeter-wave antennas and passive components on multilayer liquid crystal polymer (LCP) technology." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/14546.

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The investigation of liquid crystal polymer (LCP) technology to function as a low-cost next-generation organic platform for designs up to millimeter-wave frequencies has been performed. Prior to this research, the electrical performance of LCP had been characterized only with the implementation of standard transmission lines and resonators. In this research, a wide variety of passive functions have been developed on LCP technology and characterized for the first time. Specifically, we present the development of patch antenna arrays for remote sensing applications, the performance of compact low-pass and band-pass filters up to millimeter-wave frequencies, and the integration of passive elements for X-band and V-band transceiver systems. First, dual-frequency/dual-polarization antenna arrays have been developed on multilayer LCP technology and have been integrated with micro-electro-mechanical-system (MEMS) switches to achieve real-time polarization reconfigurability. These arrays are conformal, efficient and have all the features desirable for applications that require space deployment. Second, a wide variety of filters with different physical and functional characteristics have been implemented on both single and multilayer LCP technology. These filters can be classified based on the filter type (low-pass/band-pass), the resonators used (single-mode/dual-mode), the response characteristics (symmetric/asymmetric), and the structure of the filter (modular/non-modular). Last, examples of integrated modules for use in transceiver systems are presented. This part of the research involves the development of duplexers, radiating elements, as well as their integration. The duplexers themselves are realized by integrating a set of band-pass filters and matching networks. The characterization of the individual components, and of the integrated system are included. This research has resulted in a thorough understanding of LCP's electrical performance and its multilayer lamination capabilities pertaining to its functioning as a material platform for integrated microwave systems. Novel passive prototypes that can take advantage of such multilayer capabilities have been developed.
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Books on the topic "Microwave front-ends"

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Maloratsky, Leo G. Integrated microwave front-ends with avionics applications. Artech House, 2012.

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Aznar, Francisco. CMOS Receiver Front-ends for Gigabit Short-Range Optical Communications. Springer New York, 2013.

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Casier, Herman. Analog Circuit Design: Sensors, Actuators and Power Drivers; Integrated Power Amplifiers from Wireline to RF; Very High Frequency Front Ends. Springer Science + Business Media B.V, 2008.

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Mahmoudi, Reza, Andre van Bezooijen, and Arthur H. M. Roermund. Adaptive RF Front-Ends for Hand-held Applications. Springer, 2010.

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Arthur H.M. van Roermund, Reza Mahmoudi, and Andre van Bezooijen. Adaptive RF Front-Ends for Hand-held Applications. Springer, 2014.

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Aznar, Francisco, Santiago Celma Pueyo, and Belén Calvo Lopez. CMOS Receiver Front-ends for Gigabit Short-Range Optical Communications. Springer, 2012.

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Aznar, Francisco, Santiago Celma Pueyo, and Belén Calvo Lopez. CMOS Receiver Front-ends for Gigabit Short-Range Optical Communications. Springer, 2014.

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Arthur H.M. van Roermund, Michiel Steyaert, and Herman Casier. Analog Circuit Design: Sensors, Actuators and Power Drivers; Integrated Power Amplifiers from Wireline to RF; Very High Frequency Front Ends. Springer, 2010.

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Book chapters on the topic "Microwave front-ends"

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Gómez-García, Roberto, José-María Muñoz-Ferreras, and Manuel Sánchez-Renedo. "Multiband RF Front-Ends for Radar and Communications Applications." In Microwave and Millimeter Wave Circuits and Systems. John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781118405864.ch10.

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Cruz, Pedro Miguel, and Nuno Borges Carvalho. "Characterization of Software-Defined and Cognitive Radio Front-Ends for Multimode Operation." In Microwave and Millimeter Wave Circuits and Systems. John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781118405864.ch4.

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Georgiadis, Apostolos, and Carles Fernández Prades. "Novel Multi-Antenna and Smart Antenna Techniques for Next Generation Wireless Communication Networks." In Handbook of Research on Heterogeneous Next Generation Networking. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-60566-108-7.ch014.

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Multi-antenna systems incorporating smart antenna techniques present numerous advantages compared to their single antenna counterparts including increased capacity and range, by exploring spatial diversity. The current status and novel research directions in the framework of such array systems are presented. Furthermore, the application of nonlinear antenna arrays in the design of novel RF/microwave front-ends, that present compact, low cost and energy efficient solutions for smart antenna array applications is demonstrated. In this manner, the advantages of such systems in terms of their application within next generation networks are highlighted both from the point of view of digital signal processing techniques, as well as alternative analog radio front-end architectures.
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Conference papers on the topic "Microwave front-ends"

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Mueller, Jan-Erik, Thomas Bruder, Pablo Herrero, et al. "Requirements for reconfigurable 4G front-ends." In 2013 IEEE/MTT-S International Microwave Symposium - MTT 2013. IEEE, 2013. http://dx.doi.org/10.1109/mwsym.2013.6697534.

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Angelov, I. M., L. K. Urshev, A. S. Yanev, et al. "Low-Noise Front Ends for Propagation Earth Terminal." In 18th European Microwave Conference, 1988. IEEE, 1988. http://dx.doi.org/10.1109/euma.1988.333853.

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Bonnet, Barbara, Philippe Monfraix, Renaud Chiniard, et al. "3D Packaging Technology for Integrated Antenna Front-Ends." In 2008 38th European Microwave Conference (EuMC). IEEE, 2008. http://dx.doi.org/10.1109/eumc.2008.4751769.

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Bonnet, Barbara, Philippe Monfraix, Renaud Chiniard, et al. "3D Packaging Technology for Integrated Antenna Front-Ends." In 2008 European Microwave Integrated Circuit Conference (EuMIC). IEEE, 2008. http://dx.doi.org/10.1109/emicc.2008.4772349.

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Marcaccioli, L., C. Lugo, M. M. Tentzeris, J. Papapolymerou, and R. Sorrentino. "A novel reconfigurable coupler for intelligent SOP RF front-ends." In 2005 European Microwave Conference. IEEE, 2005. http://dx.doi.org/10.1109/eumc.2005.1608788.

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Seki, Tomonori, Junya Yamamoto, Ayumu Murakami, et al. "An RF MEMS switch for 4G Front-Ends." In 2013 IEEE/MTT-S International Microwave Symposium - MTT 2013. IEEE, 2013. http://dx.doi.org/10.1109/mwsym.2013.6697501.

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Dieudonne, J. M., A. Klaassen, U. Guttich, et al. "GaAs MESFET Technology based MMICs for Millimetre-Wave Front-ends." In 1994 24th European Microwave Conference. IEEE, 1994. http://dx.doi.org/10.1109/euma.1994.337265.

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Yaoming Sun and S. Glisic. "Designs of 60 GHz front-ends in SiGe BiCMOS technology." In 2008 Asia Pacific Microwave Conference. IEEE, 2008. http://dx.doi.org/10.1109/apmc.2008.4958264.

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Menzel, W. "Packaging and Interconnect Techniques for Complex Millimeter-Wave Front-Ends." In 28th European Microwave Conference, 1998. IEEE, 1998. http://dx.doi.org/10.1109/euma.1998.338202.

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Vassilev, V., N. Wadefalk, M. Abbasi, et al. "Integrated front-ends up to 200 GHz." In 2011 IEEE MTT-S International Microwave Workshop Series on Millimeter Wave Integration Technologies (IMWS 2011). IEEE, 2011. http://dx.doi.org/10.1109/imws3.2011.6061886.

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