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Опубліковано: 6 вересня 2023

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Статті в журналах з теми "SAW Filter Design"

1

SATOH, YOSHIO, and OSAMU IKATA. "LADDER TYPE SAW FILTER AND ITS APPLICATION TO HIGH POWER SAW DEVICES." International Journal of High Speed Electronics and Systems 10, no. 03 (September 2000): 825–65. http://dx.doi.org/10.1142/s0129156400000659.

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Анотація:
SAW filters with one-port SAW resonators being connected in a ladder structure, which is called ladder type SAW filter, have many features such as low insertion-loss, wide pass-band and simple filter design and so on. The design methodology, features of characteristics, and developments of higher frequency filter are described for an application in cellular phones. Furthermore, in order to apply to high power SAW devices such as the antenna duplexer of cellular phones, the material of inter-digital transducers (IDT) was improved to have high power durability. The optimum design in a ladder type SAW filter, the improvement in materials for IDT, and the optimum design of the package, all contributed the success of realizing a small SAW antenna duplexer.
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2

Luo, Ping, Yali Zou, Xinyu Yang, Juntao Li, Xuan Huang, Jian Zhou, Xing Han, Yushuai Liu, Yuhao Liu, and Tao Wu. "Improvement of YX42° Cut LiTaO3 SAW Filters with Optical Proximity Effect Correction Method." Micromachines 14, no. 1 (January 13, 2023): 205. http://dx.doi.org/10.3390/mi14010205.

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Due to the influence of the optical proximity effect (OPE), it is easy for a pattern of photoresistance to be inconsistent with a design pattern, thus damaging the performance of a SAW resonator. To solve this problem, this paper proposes an optimization method for SAW filters based on optical proximity correction (OPC). This method can avoid the tip discharge problem of SAW filters by suppressing the problem of rounding and shrinking of dummy electrode and electrode tail caused by OPE. This method increases the quality factor (Q) of the SAW resonator and thus decreases the insertion loss of the SAW filter. The filter increases the bandwidth by 1.8 MHz at −1.5 dB after applying the OPC method. Additionally, it improves the stability of the filter under high power conditions.
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3

Koigerov, A. S. "Analytical Approach to Designing a Combined-Mode Resonator Filter on Surface Acoustic Waves Using the Model of Coupling of Modes." Journal of the Russian Universities. Radioelectronics 25, no. 2 (April 27, 2022): 16–28. http://dx.doi.org/10.32603/1993-8985-2022-25-2-16-28.

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Анотація:
Introduction. Bandpass filters are important components that determine the basic characteristics of transmitting and receiving radio electronic equipment. Such filters implemented on surface acoustic waves (SAW) not only demonstrate excellent electrical parameters, but also meet compactness requirements. The relevant research task of reducing the design time and optimizing the filter’s cost can be solved by either using modern computational software or improving existing modeling tools.Aim. To describe the current state and main features of approaches to calculating SAW-based bandpass filters using the model of coupled modes and its formalization based on P-matrices. To describe the main principles and approaches on the example of designing a combined-mode resonator filter on leaky SAW and comparing the calculated and experimental data.Materials and methods. A theoretical study was carried out using the mathematical theory of differential equations presented in a matrix form, as well as the methods of finite element analysis and circuit theory. The results were processed in MatLab and COMSOL.Results. The current state of the analytical approach to designing SAW-based filters using the model of coupled modes and its formalization based on P-matrices was described. An original design for a resonator filter based on leaky SAW at 49° YX-cut of lithium niobate was proposed. The filter has a relative bandwidth of 5.8 %, an insertion loss of –3.7 dB, and a stop-band rejection of –50 dB. A technique for calculating SAW-based filters was proposed.Conclusion. The proposed analytical approach to designing SAW-based bandpass filters allows the filter characteristics (e.g., transmission factor) to be reliably predicted at the modeling stage, thereby reducing the number of experimental iterations and increasing the development efficiency.
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4

Koigerov, A. S. "Analytical Approach to Designing a Combined-Mode Resonator Filter on Surface Acoustic Waves Using the Model of Coupling of Modes." Journal of the Russian Universities. Radioelectronics 25, no. 2 (April 27, 2022): 16–28. http://dx.doi.org/10.32603/1993-8985-2022-25-2-16-28.

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Анотація:
Introduction. Bandpass filters are important components that determine the basic characteristics of transmitting and receiving radio electronic equipment. Such filters implemented on surface acoustic waves (SAW) not only demonstrate excellent electrical parameters, but also meet compactness requirements. The relevant research task of reducing the design time and optimizing the filter’s cost can be solved by either using modern computational software or improving existing modeling tools.Aim. To describe the current state and main features of approaches to calculating SAW-based bandpass filters using the model of coupled modes and its formalization based on P-matrices. To describe the main principles and approaches on the example of designing a combined-mode resonator filter on leaky SAW and comparing the calculated and experimental data.Materials and methods. A theoretical study was carried out using the mathematical theory of differential equations presented in a matrix form, as well as the methods of finite element analysis and circuit theory. The results were processed in MatLab and COMSOL.Results. The current state of the analytical approach to designing SAW-based filters using the model of coupled modes and its formalization based on P-matrices was described. An original design for a resonator filter based on leaky SAW at 49° YX-cut of lithium niobate was proposed. The filter has a relative bandwidth of 5.8 %, an insertion loss of –3.7 dB, and a stop-band rejection of –50 dB. A technique for calculating SAW-based filters was proposed.Conclusion. The proposed analytical approach to designing SAW-based bandpass filters allows the filter characteristics (e.g., transmission factor) to be reliably predicted at the modeling stage, thereby reducing the number of experimental iterations and increasing the development efficiency.
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5

Lu, Zengtian, Sulei Fu, Zhibin Xu, Weibiao Wang, Qiaozhen Zhang, Jianrun Zhang, and Hui Zhang. "Fractional Bandwidth up to 24% and Spurious Free SAW Filters on Bulk 15°YX-LiNbO3 Substrates Using Thickness-Modulated IDT Structures." Micromachines 13, no. 3 (March 14, 2022): 439. http://dx.doi.org/10.3390/mi13030439.

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Анотація:
To cope with ubiquitous wireless connectivity and the increased and faster data delivery in 5G communication, surface acoustic wave (SAW) filters are progressively requiring wider bandwidths. Conventional bulk 15°YX-LiNbO3 substrates with a large coupling coefficient (K2) are attractive for the low-cost mass production of wideband SAW filters, but these generally suffer from spurious responses, limiting their practical application. In this work, a novel and simple SAW configuration is proposed that uses thickness-modulated interdigital transducer (IDT) structures to overcome the limitations set by spurious responses. Different from the conventional design where the thicknesses of the IDT electrodes in the series and parallel resonators generally kept the same, the proposed configuration adopts IDT electrodes of different thicknesses in the series and shunt resonators to suppress or remove unwanted spurious Rayleigh modes from the filter passband. Two different ultra-wideband SAW filter designs employing thickness-modulated IDTs were designed and fabricated to validate the effective suppression of spurious modes. The SAW filters experimentally featured spurious-free responses in the passband as well as a large 3 dB fractional bandwidth (FBW) in the 18.0% and 24.1% ranges and low insertion losses below 1 dB. This work can significantly broaden the range of applications for SAW devices and can open a pathway to commercialize ultra-wideband SAW filters in 5G communication systems.
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6

Finch, Craig, Xiaomin Yang, Thomas X. Wu, and Benjamin Abbott. "RF SAW filter package design for wireless communications." Microwave and Optical Technology Letters 39, no. 5 (October 2, 2003): 399–401. http://dx.doi.org/10.1002/mop.11229.

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7

Elsherbini, M. M., M. F. Elkordy, and A. M. Gomaa. "Analytical Modeling and Simulation of SAW Filter Using Concave." TELKOMNIKA Indonesian Journal of Electrical Engineering 16, no. 3 (November 8, 2015): 495. http://dx.doi.org/10.11591/tijee.v16i3.1639.

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Анотація:
A Simple novel tool has been developed to model and simulate SAW filter devices. GNU Concave; Freeware tool with open source coding has been used to specify a basic model for SAW delay lines and filters. This paper presents a way for obtaining the essential parameters of design and development of SAW devices as insertion loss. Other parameters were also predicted by within the reseach work like the radiation conductance, susceptance, Impedance, Admetance and the Frequency Response. They all calculated and plotted using Mathmatical equations drived from an equivalent model used to simulate our target. A comparision between the simulated device and an experimental puplished one has been achieved.
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8

Wang, Dai Qiang, Liang Rong Li, Yu Qing Chen, Zu Ming Yao, Hong Gong, and Qiao Liu. "A SAW Filter of Elliptic Structure IDT." Applied Mechanics and Materials 665 (October 2014): 623–28. http://dx.doi.org/10.4028/www.scientific.net/amm.665.623.

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Анотація:
The design uses silicon-AlN thin films as the piezoelectric substrate, Use apo- dization weighting methods to optimize the design of IDT. The improved δ function model was Modeling Tools of Apodization weighted ellipse IDT structure, According to the result of simulation, we designed a layout of SAW band-pass filter and fabricated a sample of it which center frequency is 300MHz and insertion loss is 7dB, The research shows the consistency of simulation results with the experimental results.
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9

Zhang, Hanqiang, and Hongliang Wang. "Investigation of Surface Acoustic Wave Propagation Characteristics in New Multilayer Structure: SiO2/IDT/LiNbO3/Diamond/Si." Micromachines 12, no. 11 (October 21, 2021): 1286. http://dx.doi.org/10.3390/mi12111286.

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Анотація:
Surface acoustic wave (SAW) devices are widely used in many fields such as mobile communication, phased array radar, and wireless passive sensor systems. With the upgrade of mobile networks, the requirements for the performance of SAW devices have also increased, and high-frequency wideband SAW devices have become an important research topic in communication systems and other application fields. In this paper, a theoretical study for the realization of a layered SAW filter based on a new SiO2/IDT/128°YX-LiNbO3/diamond/silicon layered structure using the modeling software COMSOL Multiphysics is presented. The effects of lithium niobate (LiNbO3), an interdigital transducer (IDT), and SiO2 thin films on the evolution of the phase velocity, electromechanical coupling coefficient (k2), and temperature coefficient of frequency were studied by employing a finite element method simulation. Furthermore, a longitudinal coupling resonator filter was designed. To investigate the SAW characteristics of the filter, a transient analysis was conducted to calculate the electrical potential and particle displacement under the resonance condition and to analyze the frequency response. The study concluded that this new multilayer structure can be applied to design and manufacture a variety of high-frequency and wideband SAW filters with a temperature compensation function, for operation above the GHz range.
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10

Ruby, R., S. Gilbert, S. K. Lee, J. Nilchi, and S. W. Kim. "Novel Temperature-Compensated, Silicon SAW Design for Filter Integration." IEEE Microwave and Wireless Components Letters 31, no. 6 (June 2021): 674–77. http://dx.doi.org/10.1109/lmwc.2021.3068624.

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Дисертації з теми "SAW Filter Design"

1

Antoja, Lleonart Guillem. "New Generation 4-Channel GNSS Receiver : Design, Production, and Testing." Thesis, Luleå tekniska universitet, Rymdteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-67420.

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Due to the current research needs and the lack of commercial multi-channel, multi-constellation GNSS receivers, a two-board solution has been developed so it can be mated with and take advantage of the processing power of the FPGA board branded as MicroZed. In order to achieve the proposed goals, an initial phase for assessing and updating the older design, building, and testing of SiGe modules (including both the electronics and casings) has been carried out. The results included demonstrate performances at logging GPS-L1 data with similar C/N0 and AGC values as the previous versions of the modules and offering navigation solutions with accuracies of a few meters. Secondly, a first iteration and design proposal for the new generation receiver has been proposed for GPS and GLONASS L1 and L2, which has been manufactured and tested. Partial tests have been performed due to the flaws of the current revision of the MicroZed Board in regards to its communication peripherals, and the results have validated the receiver’s design provided certain modifications are considered for future iterations. Furthermore, voltage and frequency tests have provided results with an error of less than 7%, and signal tests have provided C/N0 values similar to those of the SiGe modules of around 47[dB-Hz] which will be a useful baseline for future iterations. Finally, a design proposal for an Interface Board used between the older NT1065_PMOD Board and other FPGA boards carrying the standardized FMC connectors has been added to the report and negotiations with manufacturers have been engaged.
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2

PINI, GIACOMO. "Analysis and Design of Highly Linear Base-Band Filters for SAW-Less FDD Receivers." Doctoral thesis, Università degli studi di Pavia, 2019. http://hdl.handle.net/11571/1243912.

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Анотація:
Modern communication systems are characterized by the need for increased data-rate. This is typically achieved through a larger channel bandwidth, following the same trend already observed in the past. The number of bands and the number of antennas (MIMO) is expected to grow, as well. In this scenario, it becomes highly desirable to minimize the number of external RF filters in a transceiver, with the goal of limiting area occupation and cost of the system. From the Receiver (RX) side, this imposes strong linearity requirements, posing important design challenges in the base-band (BB) portion of the RX. In typical RX architectures, the first element after passive-mixer is a TIA or a high-order filter, which must be able to handle strong Out-of-Band blockers, without degrading SNR. Two different approaches in the TIA design are proposed here. The first one is based on the more "classical'' OTA closed in shunt-feedback. Instead of adopting conventional Miller compensation the proposed OTA exploits additional zero's created in both OTA and feedback path to achieve stability, with increased GLoop unity gain bandwidth (GBW = 1.5GHz). This has positive impact on IIP3, as demonstrated through an intuitive but quantitative linearity analysis. Following this approach, a Stand-Alone 20-MHz-BW TIA is designed, achieving +50.5dBm OOB IIP3 and +21 uVRMS in-band noise with 5.4mW consumption. The second proposed TIA is based on Regulated-Cascode architecture, allowing to achieve a TIA bandwidth in the order of 100MHz, which is compatible with the expected Sub-6GHz 5G channel BW. The basic Regulated-Cascode architecture is modified adding a positive capacitive feedback, with benefits for selectivity. This capacitance improves the Q of the CC poles and produces one additional pole, allowing to implement a 130MHz BW 3rd order Butterworth current filter. The filter is integrated in a Mixer-First Receiver achieving 5.5dB NF, with +21dBm IIP3 at Df/f=3, and blocker P1dB of +3dBm at Df/f = 6. In comparison with State-of-the-Art around 15x larger bandwidth is achieved with 2-3x smaller power consumption and comparable noise and linearity.
Modern communication systems are characterized by the need for increased data-rate. This is typically achieved through a larger channel bandwidth, following the same trend already observed in the past. The number of bands and the number of antennas (MIMO) is expected to grow, as well. In this scenario, it becomes highly desirable to minimize the number of external RF filters in a transceiver, with the goal of limiting area occupation and cost of the system. From the Receiver (RX) side, this imposes strong linearity requirements, posing important design challenges in the base-band (BB) portion of the RX. In typical RX architectures, the first element after passive-mixer is a TIA or a high-order filter, which must be able to handle strong Out-of-Band blockers, without degrading SNR. Two different approaches in the TIA design are proposed here. The first one is based on the more "classical'' OTA closed in shunt-feedback. Instead of adopting conventional Miller compensation the proposed OTA exploits additional zero's created in both OTA and feedback path to achieve stability, with increased GLoop unity gain bandwidth (GBW = 1.5GHz). This has positive impact on IIP3, as demonstrated through an intuitive but quantitative linearity analysis. Following this approach, a Stand-Alone 20-MHz-BW TIA is designed, achieving +50.5dBm OOB IIP3 and +21 uVRMS in-band noise with 5.4mW consumption. The second proposed TIA is based on Regulated-Cascode architecture, allowing to achieve a TIA bandwidth in the order of 100MHz, which is compatible with the expected Sub-6GHz 5G channel BW. The basic Regulated-Cascode architecture is modified adding a positive capacitive feedback, with benefits for selectivity. This capacitance improves the Q of the CC poles and produces one additional pole, allowing to implement a 130MHz BW 3rd order Butterworth current filter. The filter is integrated in a Mixer-First Receiver achieving 5.5dB NF, with +21dBm IIP3 at Df/f=3, and blocker P1dB of +3dBm at Df/f = 6. In comparison with State-of-the-Art around 15x larger bandwidth is achieved with 2-3x smaller power consumption and comparable noise and linearity.
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3

Senturk, Osman Selcuk. "Series Active Filter Design, Control, And Implementation With A Novel Load Voltage Harmonic Extraction Method." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608819/index.pdf.

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Series Active Filters (SAF) are designed for harmonic isolation and load voltage regulation of single-phase and three-phase voltage harmonic source type nonlinear loads. The novel Absolute Value Method (AVM) for load voltage harmonic extraction is proposed and applied in the control algorithm of SAF. The SAF compensated systems are represented by simplified linear models such that SAF controller gains can be easily determined. Harmonic isolation and load voltage regulation performances of 2.5 kW single-phase and 10 kW three-phase SAF compensated systems are evaluated by detailed simulations. Laboratory prototype single-phase and three-phase SAFs and loads are designed and manufactured. Digital signal processor based control platform is employed. Exclusive laboratory tests are conducted. Via laboratory experiments and simulations it is shown that AVM yields superior harmonic isolation and load voltage regulation performance compared to the conventional low/high pass filtering method. Theory, simulations, and experiments are well correlated and illustrate the feasibility of the proposed method.
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4

Anders, Jörg. "WORKSHOP "MOBILITÄT"." Universitätsbibliothek Chemnitz, 2001. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200100538.

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5

Wang, Sheng Ming, and 王聖銘. "The design and measurement of an IF SAW filter." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/69098823804252103813.

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Анотація:
碩士
國立臺灣大學
應用力學研究所
90
A vast market exists for surface acoustic devices (SAW) in areas such as wireless communication and a variety of sensor applications. In particular, in the current mobile phone industry, the demand for SAW devices has led to a commercial market with a respectable level in annual sale. This paper presents a study on the comparison of two COM models for SAW filter design. 400 MHz two port SAW filters were designed and fabricated to check the feasibility of the two COM models. Influences of the key parameters, such as the number of pairs of IDT, the cross length of the IDT, the delay distance, the number of the grating IDT pairs, etc., are discussed. Two-port ST-quartz based 400 MHz SAW filters are fabricated and tested. Results show that simulated results obtained by using the Abbott’s model are in good agreement with those from the measurements.
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6

HWANG, LIANG-JYI, and 黃良吉. "Design, analysis and fabrication of ZnO thin film saw filter." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/13647215805010407771.

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7

Yu, Ying-Kai, and 游英凱. "Diamond SAW Filter-Study of Acoustic Wave Propagation and Interdigital Transducers Design and Coupling." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/58323039921634556190.

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Анотація:
碩士
國立清華大學
動力機械工程學系
91
Micro-Electro-Mechanical System (MEMS) is one of the potential research topics in this century and has rapidly grown in many different kinds of products, including communication. The advantages of the portable communication are lighter, smaller, and power-saved. It is until now the SAW devices are essential in mobile phone as the other devices are integrated in a chip. This study analyzes and designs a basic diamond film surface acoustic wave filter to obtain higher frequency filtering effect by reducing the line width of the electrodes. Since the diamond has the highest speed of the acoustic wave in all materials, the process limitation of the line width of electrode is not restricted if the higher frequency devices are required. The effective surface permittivity method is successfully used in this study to estimate the values of the electromechanical coupling coefficient for bulk materials and multi-layer structures. The theoretical analyses of the three models show that the frequency responses of the different SAW devices can be simulated through specifying the parameters of each device. Furthermore, it shows that the simulation results agree well with the experimental results.
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8

Bhagat, Nishtha. "Design and Analysis of Surface Acoustic Wave Filters." Thesis, 2020. https://etd.iisc.ac.in/handle/2005/4687.

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The generation and detection of surface acoustic waves (SAWs) using interdigital transducers (IDTs) on a piezoelectric surface have been used to produce many high performance Band Pass Filters. This thesis focuses on the design and simulation of various SAW Band Pass Filters. IDTs can be fabricated on many piezoelectric substrates. The effect of substrate properties – electromechanical coupling coefficient and SAW velocity, on filter frequency response is analyzed. The IDT design properties comprise film thickness ratio, metallization ratio, acoustic aperture, and number of finger pairs. The behavior of electrical equivalent circuit of an IDT that consists of impedance parameters – radiation conductance, radiation susceptance, and capacitance, is simulated and analyzed for different piezoelectric materials. Different IDT designs offer different propagation environment to SAWs. The IDT designs based on electrode spacing – uniform and non-uniform, direction of SAW propagation – bidirectional and unidirectional, acoustic aperture – apodized and unapodized, and electrode configuration – solid electrode and split electrode, are studied. The effect of IDT design on filter performance is assessed. The design of linear phase SAW filter using fourier transform, and effect of truncation on filter specifications – amplitude ripple, side lobe rejection ratio, insertion loss, and transition bandwidth is thoroughly depicted and analyzed. The cosine window function technique is used to improve filter performance. The second order effects – bulk wave interference, diffraction, impedance matching, electromagnetic feedthrough, triple transit interference, and harmonics that corrupt the filter performance are elaborated. The effect of metallization ratio on higher harmonic suppression is studied. Design of advanced SAW band pass filters – comb filters and resulting frequency response is also explored.
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9

Chen, Teng-Kai. "Design of SAW Filters for WLAN." 2006. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-1607200613461800.

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10

Chen, Teng-Kai, and 陳登凱. "Design of SAW Filters for WLAN." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/67982804281030601609.

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Анотація:
碩士
國立臺灣大學
電信工程學研究所
94
In this thesis, coupling-of-modes (COM) approach and equivalent circuit model (ECM) are applied to design surface-acoustic wave (SAW) filters for various applications. A ladder-type SAW filter at IEEE 802.11a WLAN band is designed and the chip size is 214 × 115 μm2. An RF filter for unlicensed band of WiMAX and 802.11b WLAN is proposed and the chip size is 431 × 145 μm2. A miniaturized low-loss SAW duplexer has been developed for the WiMAX band and the chip size is 295 × 226.5 μm2. A six-channel low-loss switchable SAW filter bank is designed for the WiMAX system. It has the insertion loss of less than 1.8 dB, channel bandwidth of 20 MHz, stopband rejection of more than 35 dB, and the chip size is 3 × 1.7 mm2. Those SAW filters are designed on 42 YX-LiTaO3 substrate with aluminum (Al) electrodes. Sensitivity study has also been conducted. i
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Книги з теми "SAW Filter Design"

1

John, Lawson. Design and analysis of experiments with SAS. Boca Raton: Chapman & Hall/CRC, 2010.

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John, Lawson. Design and analysis of experiments with examples with SAS. Boca Raton: Chapman & Hall/CRC, 2010.

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John, Lawson. Design and analysis of experiments with examples of SAS. Boca Raton: Chapman & Hall/CRC, 2010.

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John, Lawson. Design and analysis of experiments with SAS. Boca Raton: Chapman & Hall/CRC, 2010.

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5

Institute, SAS, ed. Web development with SAS by example. 2nd ed. Cary, N.C: SAS Institute Inc., 2006.

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Institute, SAS, ed. Web development with SAS by example. Cary, N.C: SAS Institute, Inc., 2003.

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Institute, SAS, ed. Web development with SAS by example. 3rd ed. Cary, N.C: SAS Institute Inc., 2011.

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Institute, SAS, ed. Getting started with the SAS ADX interface for design of experiments. Cary, NC: SAS Institute, 1999.

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9

Gamst, Glenn. Analysis of variance designs: A conceptual and computational approach with SPSS and SAS. New York: Cambridge University Press, 2008.

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Adaptive design theory and implementation using SAS and R. Boca Raton: CRC Press, 2014.

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Частини книг з теми "SAW Filter Design"

1

Tagawa, Kiyoharu. "Critical Fractile Optimization Method Using Truncated Halton Sequence with Application to SAW Filter Design." In Parallel Problem Solving from Nature – PPSN XV, 464–75. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99253-2_37.

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2

Tagawa, Kiyoharu, Yukinori Sasaki, and Hiroyuki Nakamura. "Optimum Design of Balanced SAW Filters Using Multi-Objective Differential Evolution." In Lecture Notes in Computer Science, 466–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-17298-4_50.

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Campbell, Colin. "Principles of Linear Phase SAW Filter Design." In Surface Acoustic Wave Devices and their Signal Processing Applications, 31–57. Elsevier, 1989. http://dx.doi.org/10.1016/b978-0-12-157345-4.50007-2.

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Hara, Motoaki. "Filter and oscillator design using SAW/ BAW resonators." In MEMS Resonator Filters, 237–85. Institution of Engineering and Technology, 2020. http://dx.doi.org/10.1049/pbcs065e_ch8.

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Campbell, Colin. "Trade-Offs in Linear Phase SAW Filter Design." In Surface Acoustic Wave Devices and their Signal Processing Applications, 85–101. Elsevier, 1989. http://dx.doi.org/10.1016/b978-0-12-157345-4.50009-6.

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6

Campbell, Colin. "A Computer Program for SAW FIR Filter Design." In Surface Acoustic Wave Devices and their Signal Processing Applications, 177–92. Elsevier, 1989. http://dx.doi.org/10.1016/b978-0-12-157345-4.50024-2.

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7

"Microwave Filter Analysis and Design." In Practical Approach to Substrate Integrated Waveguide (SIW) Diplexer, 72–108. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2084-0.ch003.

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Анотація:
A microwave filter is a two-port component usually employed when there is a need to control the frequency response at any given point in a microwave system. They provide transmission at certain frequencies, which are known as the passband frequencies, and attenuation at other frequencies, which are referred to as the stopband frequencies. The frequencies outside the passband are attenuated or reflected. Microwave filter is often named after the polynomial used to form its transfer function (i.e., Chebyshev, Butterworth [or maximally flat], Elliptical, etc.). The filter can be further sub-divided into four categorises (i.e., lowpass, highpass, bandstop, and bandpass filters) according to its frequency responses. This chapter gives a detailed discussion on filter classification and transfer function. It also covers the analysis, design, and implementation of a test microwave filter using the 21st century SIW transmission line. The simulation and measurement results of the test filter is also presented, compared, and discussed.
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8

"Diplexer Circuit Analysis and Design." In Practical Approach to Substrate Integrated Waveguide (SIW) Diplexer, 109–21. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2084-0.ch004.

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In this chapter, a novel method of designing a microwave diplexer circuit is presented. This technique involves merging a section of a dual-band bandpass filter (DBF) with a section of two separately designed bandpass filters (BPFs). The chapter covers the step-by-step procedures that informed the successful realization of the diplexer circuit model. The circuit model coupling arrangement, simulation, and results are also covered. The diplexer circuit developed here has been simulated using the Keysight ADS circuit simulator. The results presented show a very good isolation between the transmit and the receive bands of the diplexer circuit.
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S, Dr Divya Priyal, Dr Daya Srinivasan, and Dr Senthil Eagappan. "SELF ADJUSTING FILES IN PEDIATRIC DENTISTRY – A REVIEW." In Emerging Trends in Oral Health Sciences and Dentistry. Technoarete Publishers, 2022. http://dx.doi.org/10.36647/etohsd/2022.01.b1.ch013.

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Deciduous tooth is of great significance as it maintains the space for permanent dentition. Conventional pulpectomy procedure is performed with stainless steel hand files. The rigid nature of these files may cause bizarre canal shapes. The time taken during biomechanical preparation may lead to further worsening of the patient's cooperation, especially in Pediatric Endodontics. Though rotary file system has several advantages, it fails to clean the curved and oval shaped canals efficiently. The Self-Adjusting File (SAF) introduces a new era in Pediatric Endodontics by performing the conventional steps of shaping and cleaning at the same time. The SAF is a cylindrical hollow file that adjusts to the root canal in three dimensions and is a solitary file system formed of Ni-Ti matrix. The SAF is under continual irrigation through an irrigation device and works in an in-and-out vibration propelled by a handpiece. The SAF system has retained the original contour of the canals without dentinal cracks in primary teeth. The aim of this review is to describe design of the SAF, operational parameters and features, and advantages of SAF over other file systems in Pediatric Endodontics.
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"Microstrip Diplexer Design." In Practical Approach to Substrate Integrated Waveguide (SIW) Diplexer, 122–34. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2084-0.ch005.

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In this chapter, the microstrip square open-loop resonator (SOLR) has been utilised in the implementation of the microwave diplexer circuit model established in Chapter 4. The SOLR is very popular and well known resonator type commonly used in the implementation of microwave passive devices including filters and diplexers, due to its compact size. The simulation and measurement results show good agreement, with a band isolation of about 50 dB achieved between the transmit (Tx) and the receive (Rx) bands of the diplexer.
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Тези доповідей конференцій з теми "SAW Filter Design"

1

Tsung-Chieh Lee, Andrew Guyette, Eric J. Naglich, and Dimitrios Peroulis. "Coupling-matrix-based SAW filter design." In 2014 IEEE/MTT-S International Microwave Symposium - MTT 2014. IEEE, 2014. http://dx.doi.org/10.1109/mwsym.2014.6848568.

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2

Richie, S. M., C. D. Bishop, and D. C. Malocha. "SAW Filter Computer Aided Design Workstation." In IEEE 1986 Ultrasonics Symposium. IEEE, 1986. http://dx.doi.org/10.1109/ultsym.1986.198715.

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3

Bishop, C. D., and D. C. Malocha. "Non-iterative SAW filter design using convolution techniques." In IEEE 1986 Ultrasonics Symposium. IEEE, 1986. http://dx.doi.org/10.1109/ultsym.1986.198700.

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4

Jang, Youna, Junho Kim, Jongsu Ha, Dongsu Kim, Jongsik Lim, Sang-Min Han, and Dal Ahn. "A Design Method of Wideband BPF Considering Frequency Dependence of Inverters for SAW Filter." In 2021 IEEE MTT-S International Microwave Filter Workshop (IMFW). IEEE, 2021. http://dx.doi.org/10.1109/imfw49589.2021.9642283.

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Xiaoming Lu, Jeffery Galipeau, Koenraad Mouthaan, Emmanuelle Henry Briot, and Benjamin Abbott. "A modular SAW filter design approach for multiband filtering." In 2011 IEEE International Ultrasonics Symposium (IUS). IEEE, 2011. http://dx.doi.org/10.1109/ultsym.2011.0329.

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Xu, Jin-Bo, Ya-Li Qin, Cheng-Du Ye, and Ying Liu. "CAD modeling for the Design and Analysis of SAW Filter." In 2008 Global Symposium on Millimeter Waves (GSMM 2008). IEEE, 2008. http://dx.doi.org/10.1109/gsmm.2008.4534605.

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Richie, S. M., C. D. Bishop, and D. C. Malocha. "Real Time Interactive SAW Filter Computer Aided Design and Analysis Implementation." In 40th Annual Symposium on Frequency Control. IEEE, 1986. http://dx.doi.org/10.1109/freq.1986.200950.

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Tseng, Shu-Yuan, and Ruey-Beei Wu. "Design of SAW Filter and Multiplexer Module for 5G Carrier Aggregation." In 2020 IEEE Asia-Pacific Microwave Conference (APMC 2020). IEEE, 2020. http://dx.doi.org/10.1109/apmc47863.2020.9331726.

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Devaskar, Aditya Ravindra, Vanita Agarwal, and Vinay Kulkarni. "Design and Simulation of Band 40 RF SAW Ladder-Type Filter." In 2022 IEEE International Conference on Semiconductor Electronics (ICSE). IEEE, 2022. http://dx.doi.org/10.1109/icse56004.2022.9863187.

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Saad, M. S., A. Zaki, and T. E. Taha. "Design of withdrawal weighted transducer SAW filter for RF wireless applications." In 2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS). IEEE, 2015. http://dx.doi.org/10.1109/icecs.2015.7440367.

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