Academic literature on the topic 'Reference spur'
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Journal articles on the topic "Reference spur"
Hirst, Peter M., and David C. Ferree. "Rootstock Effects on the Flowering of `Delicious' Apple. II. Nutritional Effects with Specific Reference to Phosphorus." Journal of the American Society for Horticultural Science 120, no. 6 (November 1995): 1018–24. http://dx.doi.org/10.21273/jashs.120.6.1018.
Full textJahangirzadeh, Sakineh, Amir Amirabadi, and Ali Farrokhi. "Low spur frequency synthesiser using randomly shifted reference spur to higher frequencies." International Journal of Electronics 107, no. 12 (May 27, 2020): 2044–67. http://dx.doi.org/10.1080/00207217.2020.1756448.
Full textMandal, Debashis, Pradip Mandal, and Tarun Kanti Bhattacharyya. "Prediction of reference spur in frequency synthesisers." IET Circuits, Devices & Systems 9, no. 2 (March 2015): 131–39. http://dx.doi.org/10.1049/iet-cds.2014.0019.
Full textWang, Xin Jie, and Tadeusz Kwasniewski. "A reduced reference spur multiplying delay-locked loop." International Journal of Circuit Theory and Applications 44, no. 8 (November 20, 2015): 1620–27. http://dx.doi.org/10.1002/cta.2176.
Full textChoi, Hyun-Woo, and Young-Shig Choi. "A Reference Spur Suppressed PLL with Two-Symmetrical Loops." Journal of the Institute of Electronics and Information Engineers 51, no. 5 (May 25, 2014): 99–105. http://dx.doi.org/10.5573/ieie.2014.51.5.099.
Full textKo, Han-Gon, Woorham Bae, Gyu-Seob Jeong, and Deog-Kyoon Jeong. "Reference Spur Reduction Techniques for a Phase-Locked Loop." IEEE Access 7 (2019): 38035–43. http://dx.doi.org/10.1109/access.2019.2905767.
Full textKamal, N., S. F. Al‐Sarawi, and D. Abbott. "Reference spur suppression technique using ratioed current charge pump." Electronics Letters 49, no. 12 (June 2013): 746–47. http://dx.doi.org/10.1049/el.2013.1010.
Full textYu, Tao, Ping Yi Wang, Cheng Yu Yang, Gui Jing Gao, and Ji Sheng Zhang. "Experimental Study of Water Force Acting on Spur Dike." Advanced Materials Research 255-260 (May 2011): 3558–62. http://dx.doi.org/10.4028/www.scientific.net/amr.255-260.3558.
Full textElsayed, Mohamed M., Mohammed Abdul-Latif, and Edgar Sanchez-Sinencio. "A Spur-Frequency-Boosting PLL With a −74 dBc Reference-Spur Suppression in 90 nm Digital CMOS." IEEE Journal of Solid-State Circuits 48, no. 9 (September 2013): 2104–17. http://dx.doi.org/10.1109/jssc.2013.2266865.
Full textLi, Qian, Yi Bian, Zhi Ping Zhong, Gui Hua Liu, and Ying Chen. "Study on the Large Module Spur Gear Cold Forming Process by Means of Numerical Simulation." Advanced Materials Research 189-193 (February 2011): 2642–46. http://dx.doi.org/10.4028/www.scientific.net/amr.189-193.2642.
Full textDissertations / Theses on the topic "Reference spur"
Moon, Sung Tae. "Design of high performance frequency synthesizers in communication systems." Texas A&M University, 2005. http://hdl.handle.net/1969.1/2329.
Full textHsiao, Sen-Wen. "Built-in test for performance characterization and calibration of phase-locked loops." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/51790.
Full textPu, Xiao. "A bandwidth-enhanced fractional-N PLL through reference multiplication." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-08-4149.
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Liao, Te-Wen, and 廖德文. "Low Reference-Spur and Low Phase-Noise Frequency Synthesizers for Wireless Communication Systems." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/86dfh4.
Full text國立交通大學
電信工程研究所
101
Spur reduction and low phase noise techniques are proposed that allow integer-N frequency synthesizers to achieve high closed loop bandwidth and low output phase noise simultaneously. Three integer-N synthesizers are presented. These circuits are targeted for analog TV (ATV) and mobile WIMAX applications. Synthesizer design still remains one of the most challenge issues in the RF system because it must meet very stringent requirements, such as settling time, phase noise, reference feedthrough, etc. Several trade-offs exist in the synthesizer design. First, the settling time is largely determined by the loop bandwidth which is limited to approximately 1/10 of the reference frequency for the loop stability consideration. Second, the phase noise of the oscillator is reduced by the feedback loop only within the loop bandwidth. Finally, in order to suppress the reference spur, a small loop bandwidth is required. To solve all these trade-offs, we have proposed several new architectures adopting random pulsewidth matching, sub-sampling charge-pump, and randomly selected PFD to achieve low reference spur and low phase noise PLLs. The first one is the Random pulsewidth matching frequency synthesizer with sub-sampling charge pump. Measurement results of a prototype TSMC 90nm CMOS synthesizer show that the reference spur is suppressed by 35dB. These represent a new analysis technique that is useful in the characterization of integer-N frequency synthesizers. The other is a spur-reduction frequency synthesizer exploiting randomly selected PFD. The oscillator frequency is tunable between 2500~2700 MHz, phase noise is -105dBc/Hz @1 MHz offset, and the spurious tone is -72dBc. Finally, a low phase-noise ring VCO based frequency synthesizer with multi-phase over-sampling charge-pump is implemented. To achieve good phase noise performance with a simple design, the multi-phase over-sampling charge-pump and one-shot circuits to reduce ripples on the control voltage of the VCO provide a smooth spectrum. Measured results from a prototype by TSMC 0.18um CMOS technology show the phase noise below–100 dBc/Hz from 15 Hz to 100 KHz and–108 dBc/Hz with 1 MHz offset.
Wang, Shun Min, and 王舜民. "Digital MDLL-based clock generator using random code to achieve low reference spur." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/02130033451681210929.
Full textFu, Chu-Hao, and 傅祖晧. "A 5.2-GHz All-Digital Frequency Synthesizer Chip Design with Reference Spur Reduction Technique." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/51003733798257168482.
Full text國立臺灣科技大學
電子工程系
103
Because of the rapid development of wireless communication systems, PLL-based frequency synthesizers are widely used for the past few years. With the promotion in integrated circuit technology, advanced fabrication processes are very favorable for digital design. In an all-digital phase-locked loop, the analog charge pump circuit and loop filter are replaced by a digital loop filter. This proposed study not only reduces the chip area but also avoids the effect of process shrinks. Besides, a digital design is scalable, easy to redesign with process changes, and has the advantage of noise immunity. Nowadays, the market demand trends towards low power supply and small chip area design, and that further promotes development of all-digital designs. This thesis adopts TSMC 0.18 um CMOS processing to realize an all-digital 5.2 GHz frequency synthesizer with reference spur reduction technique. The proposed architecture adopts a phase detector which only transfers phase error information when phase error is detected and can reduce the updating frequency for DCO control code and achieves lower reference spur. The proposed frequency synthesizer operates with 1.8 V supply voltage for both analog and digital circuits. The measuring results show that when output frequency is 5.22 GHz, the output signal power is -8.03 dBm. After locking, the phase noise is -110.74 dBc/Hz@1 MHz and the power consumption is 16.2 mW, while the chip area is 0.901 × 0.935 mm2.
Yang, Jia-lun, and 楊佳倫. "A 1-V 2.4-GHz Fractional-N Frequency Synthesizer Chip Design with Reference Spur Reduction Techniques." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/yty4mt.
Full text國立臺灣科技大學
電子工程系
102
In recent year, with the rapid growing of the wireless communication system, many of PLL architectures are created. Normally, the loop filter of a conventional PLL are using continuous-time passive loop filter, it needs a large capacitance to meet system requirements. And the control node of the VCO is directly connected to the loop filter that will introduce ripples. Usually deals with a tradeoff between the settling time and the magnitude of the reference sideband that appears at the PLL output. The first chip, we introduce a 2.4 GHz fractional-N frequency synthesizer architecture with a reference spur reduction technique. It adopts a sample-hold-reset loop filter to isolate the charge pump output node and the VCO control node, which has a better linearity of PFD and CP. It achieves low spur and low phase noise performance, and save the capacitance area while a narrow loop bandwidth is used. The proposed frequency synthesizer operates with 1 V supply voltage is fabricated in TSMC 0.18-μm CMOS process. Measured results shows a wide tuning range from 2.21 GHz to 2.52 GHz corresponding to a frequency tuning range of 13.1%, a phase noise of -117.1 dBc/Hz at 1 MHz offset from 2.4 GHz, a reference spur of -65 dBc, a power consumption of 15.2 mW and the with pads chip area is only 1.06 mm2. The second chip, we adopt a sub-sampling charge pump (SSCP) circuit and a randomly selected PFD to reduce reference spur. The frequency synthesizer randomizes the periodic ripples on the control voltage of the voltage controlled oscillator to reduce the reference spur at the output of the phase-locked loop. The SSCP circuit is also utilized to reduce ripples on the control voltage to achieve low spur level. The proposed frequency synthesizer operates with 1 V supply voltage is fabricated in TSMC 0.18-μm CMOS process. Measured results shows a wide tuning range from 2.235 GHz to 2.579 GHz corresponding to a frequency tuning range of 14.3%, a phase noise of -113.17 dBc/Hz at 1 MHz offset from 2.41 GHz, a reference spur of -70.4 dBc, a power consumption of 9 mW and the with pads chip area is only 0.695 mm2.
Books on the topic "Reference spur"
Book chapters on the topic "Reference spur"
Singh, Radhika, K. K. Abdul Majeed, and Umakanta Nanda. "Transmission Gate Based PFD Free of Glitches for Fast Locking PLL with Reduced Reference Spur." In Communications in Computer and Information Science, 404–14. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-5048-2_32.
Full textWilson, D. M. "Spun (Slurry and Sol–Gel) Ceramic Fibers." In Reference Module in Materials Science and Materials Engineering. Elsevier, 2016. http://dx.doi.org/10.1016/b978-0-12-803581-8.02326-2.
Full textCui, Dafu, Xing Chen, and Yujie Wang. "Detection of SARS-CoV Antigen via SPR Analytical Systems with Reference." In Biosensors. InTech, 2010. http://dx.doi.org/10.5772/7209.
Full textApostolidis, Paul. "Desperate Responsibility." In The Fight For Time, 73–114. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190459338.003.0003.
Full text"Island in the Stream: Oceanography and Fisheries of the Charleston Bump." In Island in the Stream: Oceanography and Fisheries of the Charleston Bump, edited by Douglas S. Vaughan, Charles S. Manooch III, and Jennifer C. Potts. American Fisheries Society, 2001. http://dx.doi.org/10.47886/9781888569230.ch6.
Full textWells, D. A. "LC Automation☆☆Change History: May 2014. DA Wells updated website URL links and updated manufacturer name changes – Varian was acquired by Agilent; MicroLiter Analytical, Inc., was sold and the sample preparation group was spun off as ITSP Solutions, Inc.; Merck KGaA acquired Millipore to become EMD Millipore. The source of the BioTrap 500 LC column was updated to Chrom Tech, USA." In Reference Module in Chemistry, Molecular Sciences and Chemical Engineering. Elsevier, 2014. http://dx.doi.org/10.1016/b978-0-12-409547-2.11051-0.
Full textHarding, Dennis. "Defining Issues." In Iron Age Hillforts in Britain and Beyond. Oxford University Press, 2012. http://dx.doi.org/10.1093/oso/9780199695249.003.0005.
Full textConference papers on the topic "Reference spur"
Kamal, Noorfazila, Said Al-Sarawi, and Derek Abbott. "Accurate Reference Spur Estimation Using Behavioural Modelling." In 2012 3rd International Conference on Intelligent Systems, Modelling and Simulation (ISMS). IEEE, 2012. http://dx.doi.org/10.1109/isms.2012.105.
Full textAkhmetov, Denis B., and Alexander S. Korotkov. "The reference spur reduction technique for frequency synthesizers." In 2018 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus). IEEE, 2018. http://dx.doi.org/10.1109/eiconrus.2018.8317055.
Full textKim, Hyojun, Jinwoo Sang, Hyunik Kim, Youngwoo Jo, Taeik Kim, Hojin Park, and Seong Hwan Cho. "14.4 A 5GHz −95dBc-reference-Spur 9.5mW digital fractional-N PLL using reference-multiplied time-to-digital converter and reference-spur cancellation in 65nm CMOS." In 2015 IEEE International Solid- State Circuits Conference - (ISSCC). IEEE, 2015. http://dx.doi.org/10.1109/isscc.2015.7063024.
Full textElsayed, Mohamed, Mohammed Abdul-Latif, and Edgar Sanchez-Sinencio. "A Spur-Frequency-Boosting PLL with a −74dBc reference-spur rejection in 90nm digital CMOS." In 2011 IEEE Radio Frequency Integrated Circuits Symposium (RFIC). IEEE, 2011. http://dx.doi.org/10.1109/rfic.2011.5940706.
Full textWang, Bo, Jinhai Zhang, and Edouard Ngoya. "A reference spur estimation method for integer-N PLLs." In 2013 IEEE 10th International Conference on ASIC (ASICON 2013). IEEE, 2013. http://dx.doi.org/10.1109/asicon.2013.6811884.
Full textKamal, Noorfazila, Said Al-Sarawi, Neil H. E. Weste, and Derek Abbott. "A Phase-Locked Loop reference spur modelling using Simulink." In 2010 International Conference on Electronic Devices, Systems and Applications (ICEDSA). IEEE, 2010. http://dx.doi.org/10.1109/icedsa.2010.5503058.
Full textHo, Cheng-Ru, and Mike Shuo-Wei Chen. "10.5 A digital PLL with feedforward multi-tone spur cancelation loop achieving −73dBc fractional spur and −110dBc Reference Spur in 65nm CMOS." In 2016 IEEE International Solid-State Circuits Conference (ISSCC). IEEE, 2016. http://dx.doi.org/10.1109/isscc.2016.7417971.
Full textAbedi, Mostafa, and Javad Yavand Hasani. "A Fast Locking Phase-Locked Loop with Low Reference Spur." In 2018 Iranian Conference on Electrical Engineering (ICEE). IEEE, 2018. http://dx.doi.org/10.1109/icee.2018.8472594.
Full textAli, Tamer A., Amr A. Hafez, Robert Drost, Ronald Ho, and Chih-Kong Ken Yang. "A 4.6GHz MDLL with −46dBc reference spur and aperture position tuning." In 2011 IEEE International Solid- State Circuits Conference - (ISSCC). IEEE, 2011. http://dx.doi.org/10.1109/isscc.2011.5746400.
Full textSeol, Ji-Hwan, Dennis Sylvester, David Blaauw, and Taekwang Jang. "A Reference Oversampling Digital Phase-Locked Loop with -240 dB FOM and -80 dBc Reference Spur." In 2019 Symposium on VLSI Circuits. IEEE, 2019. http://dx.doi.org/10.23919/vlsic.2019.8778010.
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