Academic literature on the topic 'Analogue filters'

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Journal articles on the topic "Analogue filters"

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Horváth, Dušan, Zuzana Červeňanská, and Janette Kotianová. "Digital Implementation of Butterworth First–Order Filter Type IIR." Research Papers Faculty of Materials Science and Technology Slovak University of Technology 27, no. 45 (September 1, 2019): 85–93. http://dx.doi.org/10.2478/rput-2019-0030.

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Abstract The paper deals with the solution of the first–order passive filters (low–pass and high–pass) applying electrotechnical elements (resistor, capacitor - analogue filter) and digital Butterworth filter type IIR (Infinite Impulse Response). Procedure of the filters design and implementation is described, and the analogue and digital filter outputs with the same input signal are compared. The designed filters have already served for education purposes with the intention to bring an explanation of techniques for designing required functionality of the signal processing filters.
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Venkateswarlu, T., and C. Eswaran. "Realisation of 2D analogue filters." Electronics Letters 25, no. 24 (1989): 1647. http://dx.doi.org/10.1049/el:19891104.

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Pretto, Niccolò, Edoardo Micheloni, Anthony Chmiel, Nadir Dalla Pozza, Dario Marinello, Emery Schubert, and Sergio Canazza. "Multimedia Archives: New Digital Filters to Correct Equalization Errors on Digitized Audio Tapes." Advances in Multimedia 2021 (March 30, 2021): 1–11. http://dx.doi.org/10.1155/2021/5410218.

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Multimedia archives face the problem of obsolescing and degrading analogue media (e.g., speech and music recordings and video art). In response, researchers in the field have recently begun studying ad hoc tools for the preservation and access of historical analogue documents. This paper investigates the active preservation process of audio tape recordings, specifically focusing on possible means for compensating equalization errors introduced in the digitization process. If the accuracy of corrective equalization filters is validated, an archivist or musicologist would be able to experience the audio as a historically authentic document such that their listening experience would not require the recovery of the original analogue audio document or the redigitization of the audio. Thus, we conducted a MUSHRA-inspired perception test (n = 14) containing 6 excerpts of electronic music (3 stimuli recorded NAB and 3 recorded CCIR). Participants listened to 6 different equalization filters for each stimulus and rated them in terms of similarity. Filters included a correctly digitized “Reference,” an intentionally incorrect “Foil” filter, and a subsequent digital correction of the Foil filter that was produced with a MATLAB script. When stimuli were collapsed according to their filter type (NAB or CCIR), no significant differences were observed between the Reference and MATLAB correction filters. As such, the digital correction appears to be a promising method for compensation of equalization errors although future study is recommended, specifically containing an increased sample size and additional correction filters for comparison.
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Amini, Nina H., and John E. Gough. "The Estimation Lie Algebra Associated with Quantum Filters." Open Systems & Information Dynamics 26, no. 02 (June 2019): 1950004. http://dx.doi.org/10.1142/s1230161219500045.

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We introduce the Lie algebra of super-operators associated with a quantum filter, specifically emerging from the Stratonovich calculus. In classical filtering, the analogue algebra leads to a geometric theory of nonlinear filtering which leads to well-known results by Brockett and by Mitter characterizing potential models where the curse-of-dimensionality may be avoided, and finite dimensional filters obtained. We discuss the quantum analogue to these results. In particular, we see that, in the case where all outputs are subjected to homodyne measurement, the Lie algebra of super-operators is isomorphic to a Lie algebra of system operators from which one may approach the question of the existence of finite-dimensional filters.
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Bissell, C. C. "A Phasor Approach to Digital Filters." International Journal of Electrical Engineering & Education 24, no. 3 (July 1987): 197–213. http://dx.doi.org/10.1177/002072098702400302.

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Expressions for the frequency response of digital filters can be obtained using phasors, in a way very similar to the familiar analysis of simple analogue networks. These expressions can then be generalized as an informal route to the z-plane, pole-zero filter specification, and even the z-transform of sample sequences.
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Ciota, Z., A. Napieralski, and J. L. Noullet. "Analogue realisation of integrated FIR filters." IEE Proceedings - Circuits, Devices and Systems 143, no. 5 (1996): 274. http://dx.doi.org/10.1049/ip-cds:19960611.

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Carusone, A., and D. A. Johns. "Analogue adaptive filters: past and present." IEE Proceedings - Circuits, Devices and Systems 147, no. 1 (2000): 82. http://dx.doi.org/10.1049/ip-cds:20000052.

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Sun, Yichuang. "Editorial: High-frequency integrated analogue filters." IEE Proceedings - Circuits, Devices and Systems 147, no. 1 (2000): 1. http://dx.doi.org/10.1049/ip-cds:20000312.

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Cuypers, C., N. Y. Voo, M. Teplechuk, and J. I. Sewell. "General synthesis of complex analogue filters." IEE Proceedings - Circuits, Devices and Systems 152, no. 1 (2005): 7. http://dx.doi.org/10.1049/ip-cds:20040816.

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SID-AHMED, M. A. "Realization of 2-D analogue filters." International Journal of Electronics 65, no. 5 (November 1988): 1003–6. http://dx.doi.org/10.1080/00207218808945301.

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Dissertations / Theses on the topic "Analogue filters"

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Hamid, Fazrena Azlee. "Architectural synthesis of analogue filters from behavioural VHDL-AMS descriptions." Thesis, University of Southampton, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.422985.

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Wang, Shiwei. "Biomimetic cochlea filters : from modelling, design to analogue VLSI implementation." Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/9695.

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This thesis presents a novel biomimetic cochlea filter which closely resembles the biological cochlea behaviour. The filter is highly feasible for analogue very-large-scale integration (VLSI) circuits, which leads to a micro-watt-power and millimetre-sized hardware implementation. By virtue of such features, the presented filter contributes to a solid foundation for future biologically-inspired audio signal processors. Unlike existing works, the presented filter is developed by taking direct inspirations from the physiologically measured results of the biological cochlea. Since the biological cochlea has prominently different characteristics of frequency response from low to high frequencies, the biomimetic cochlea filter is built by cascading three sub-filters accordingly: a 2nd-order bandpass filter for the constant gentle low-frequency response, a 2nd-order tunable low-pass filter for the variable and selective centre frequency response and a 5th-order elliptic filter for the ultra-steep roll-off at stop-band. As a proof of concept, a biomimetic cochlea filter bank is built to process audio signals, which demonstrates the highly discriminative spectral decomposition and high-resolution time-frequency analysis capabilities similar to the biological cochlea. The filter has simple representation in the Laplace domain which leads to a convenient analogue circuit realisation. A floating-active-inductor circuit cell is developed to build the corresponding RLC ladder for each of the three sub-filters. The circuits are designed based on complementary metal-oxide-semiconductor (CMOS) transistors for VLSI implementation. Non-ideal factors of CMOS transistors including parasitics, noise and mismatches are extensively analysed and consciously considered in the circuit design. An analogue VLSI chip is successfully fabricated using 0.35μ m CMOS process. The chip measurements demonstrate that the centre frequency response of the filter has about 20 dB wide gain tuning range and a high quality factor reaching maximally over 19. The filter has a 20 dB/decade constant gentle low-frequency tail and an over 300 dB/decade sharp stop-band roll-off slope. The measured results agree with the filter model expectations and are comparable with the biological cochlea characteristics. Each filter channel consumes as low as 59.5 ~90μ Wpower and occupies only 0.9 mm2 area. Besides, the biomimetic cochlea filter chip is characterised from a wide range of angles and the experimental results cover not only the auditory filter specifications but also the integrated circuit design considerations. Furthermore, following the progressive development of the acoustic resonator based on microelectro- mechanical systems (MEMS) technology, a MEMS-CMOS implementation of the proposed filter becomes possible in the future. A key challenge for such implementation is the low sensing capacitance of the MEMS resonator which suffers significantly from sensitivity degradation due to the parasitic capacitance. A novel MEMS capacitive interface circuit chip is additionally developed to solve this issue. As shown in the chip results, the interface circuit is able to cancel the parasitic capacitance and increase the sensitivity of capacitive sensors by 35 dB without consuming any extra power. Besides, the chopper-stabilisation technique is employed which effectively reduces the circuit flicker noise and offsets. Due to these features, the interface circuit chip is capable of converting a 7.5 fF capacitance change of a 1-Volt-biased 0.5 pF capacitive sensor pair into a 0.745 V signal-conditioned output while consuming only 165.2μ W power.
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Taylor, D. Cameron. "Controllable, analogue, three-dimensional mixed domain linear trajectory filters for video signals." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq20886.pdf.

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O'Carroll, A. P. "A study of the higher-frequency performance of operational-amplifier analogue filters : active-RC and active-R filter sections using integrated operational amplifiers are investigated up to the medium frequency communications band by consideration of." Thesis, University of Bradford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235719.

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Williams, Sean Barry Kelly. "Electronic music instrument practice and the mechanisms of influence between technical design, performance practice and composition." Thesis, University of Edinburgh, 2012. http://hdl.handle.net/1842/7890.

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This thesis examines the practices and techniques involved with particular electronic instruments and proposes an archaeological approach to reconsider the ways in which noise can communicate various details of instrument design and practice to the listener. I present two case studies concerning electronic music practice using repurposed devices - stepped filters - and by combining a detailed material analysis of the instruments with interviews, video and other evidence, I document the practices involved with their use. By rebuilding these instruments, and designing and building other devices, I test my hypotheses through my own practice, and by doing so I refine my results and extend my composition, performance practice and technical design skills to include valuable lessons learned through this research. The portfolio engages with the three archaeological levels (Listening Situation, Reproduction Stage, Production Environment) and the three areas of the production continuum (Composition, Performance Practice, Technical Design) and through sound installations, crafted media, recorded performances, and the documentation of devices designed for these pieces, it supports the thesis through experimentation and incorporation of results through reflective practice.
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Shadrin, Aleksandr. "Analogové pole pro realizaci programovatelného filtru." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-221026.

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The state-variable analog filter topologies are described. Using the transfer function theory and operational configurations suitable for integration and derivation, a new universal filter topology are proposed. The circuit has been implemented in CMOS technology by using six operational amplifiers, eight analog switches and five programming resistor array. Tunable corner frequencies, quality factors and gain are realized. Using the serial peripheral interface or digital memory can be realized this real-time digitally programmable first- and second-order analog filter with the tunable parameters.
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Hematy, Arman. "Digitally programmable analog log-domain filters." Thesis, McGill University, 1998. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=21302.

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Frequency filtering networks have numerous applications in consumer products. For high-speed and low-voltage systems, continuous-time filters are the preferred choice---these filters have become very popular with the wireless industry. Unfortunately, continuous-time filters have a high production cost since they are not geared toward mass production. This thesis proposes an analog filter structure that can be both mass produced and customized for a particular application. Such a structure is possible through the use of a state-space approach, and log-domain filtering.
First, a general state-space formulation is presented; a method of obtaining the state-space coefficients from an equivalent LC ladder network is described. Such a set of coefficients results in a realization with low noise and low sensitivity properties. Next, the effects of coefficient quantization on a state-space filter's response is examined. An optimization procedure is outlined to obtain the best approximation to the desired transfer function.
In order to implement the proposed filter structure, a universal log-domain cell is presented. Such a cell can be used to produce the stages required by any filter design (input, output, and integrator stages). Using the universal log-domain cell, a systematic approach to realizing any arbitrary-order filter is described. Next, the peripheral components needed to complete the filter are presented. Included are a novel 8-bit DAC, used to implement the programmable current sources that bias the filter, and V-to-I and I-to-V converters, used to interface the current-mode filter with voltage-mode instruments.
Finally, experimental results from several prototype boards are used to verify the feasibility of the proposed filter structure. These boards make use of ICs fabricated in a 0.8 mum BiCMOS technology; included are an IC with stand-alone programmable current sources, an IC with a third-order filter, as well as one with a fifth-order filter. The results from the test boards clearly demonstrate the programmability and functionality of digitally programmable state-space filters.
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Hematy, Arman. "Digitally programmable analog log-domain filters." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0024/MQ50621.pdf.

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Bragina, Tatiana. "Návrh laditelného kmitočtového filtru 2. řádu se spínanými kapacitory." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-221041.

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Thesis describes analog filters topologies with capability of tuning of the main parameters and the MOSFET-C and switched-capacitor filters are described. With focus to linearity and maximal tuning range optimal topology have been chosen. In work the issue of analog switch design is described and is solved. Design of switched-capacitor low-pass Sallen-key filter in Cadence software was made and simulation results are presented.
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Kucic, Matthew R. "Analog programmable filters using floating-gate arrays." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/13755.

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Books on the topic "Analogue filters"

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Saraga Colloquium on Digital Filters and Filtering Systems (1992 London). Electronics Division twelfth Saraga Colloquium on "Digital and analogue filters and filtering systems". London: Institution of Electrical Engineers, 1992.

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Su, Kendall Ling-chiao. Analog filters. London: Chapman & Hall, 1996.

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Su, Kendall L. Analog Filters. Boston, MA: Springer US, 1996.

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Su, Kendall. Analog Filters. New York, NY: Springer US, 2002. http://dx.doi.org/10.1007/b101926.

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Su, Kendall L. Analog Filters. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4615-2051-1.

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Su, Kendall L. Analog filters. 2nd ed. Norwell, Mass: Kluwer Academic Publishers, 2002.

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Mohan, P. V. Ananda. VLSI Analog Filters. Boston, MA: Birkhäuser Boston, 2013. http://dx.doi.org/10.1007/978-0-8176-8358-0.

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Dimopoulos, Hercules G. Analog Electronic Filters. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-2190-6.

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Schaumann, Rolf. Designof analog filters. Englewood Cliffs, NJ: Prentice Hall, 1990.

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Van Valkenburg, M. E. 1921- and Van Valkenburg, M. E. 1921-, eds. Design of analog filters. New York: Oxford University Press, 2001.

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Book chapters on the topic "Analogue filters"

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Turner, J. D. "Analogue Filters." In Instrumentation for Engineers, 79–101. New York, NY: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4684-6300-2_4.

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Turner, J. D. "Analogue Filters." In Instrumentation for Engineers, 79–101. London: Macmillan Education UK, 1988. http://dx.doi.org/10.1007/978-1-349-19508-4_4.

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Warnes, Lionel. "Filters." In Analogue and Digital Electronics, 227–66. London: Macmillan Education UK, 1998. http://dx.doi.org/10.1007/978-1-349-14037-4_6.

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Allen, B. W. "Filters." In Analogue Electronics for Higher Studies, 149–65. London: Macmillan Education UK, 1995. http://dx.doi.org/10.1007/978-1-349-13364-2_9.

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Murakawa, Masahiro, Shuji Yoshizawa, Toshio Adachi, Shiro Suzuki, Kaoru Takasuka, Masaya Iwata, and Tetsuya Higuchi. "Analogue EHW chip for intermediate frequency filters." In Evolvable Systems: From Biology to Hardware, 134–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/bfb0057615.

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Gálvez-Durand, Federico. "Low-voltage current-mode analogue continuous-time filters." In VLSI: Integrated Systems on Silicon, 139–50. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-0-387-35311-1_12.

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Li, Mu, Yigang He, and Ying Long. "Analogue Implementation of Wavelet Transform Using Discrete Time Switched-Current Filters." In Electrical Engineering and Control, 677–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21765-4_84.

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Schlichthärle, Dietrich. "Analog Filters." In Digital Filters, 19–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-14325-0_2.

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Schlichthärle, Dietrich. "Analog Filters." In Digital Filters, 13–49. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-662-04170-3_2.

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Su, Kendall L. "Introduction." In Analog Filters, 1–21. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4615-2051-1_1.

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Conference papers on the topic "Analogue filters"

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Tutaj, Andrzej, Pawel Piatek, Waldemar Bauer, Jerzy Baranowski, Theodoros Petropoulos, Giorgos Moustos, Panagiotis Bertsias, and Costas Psychalinos. "Approximating Fractional Filters With Analogue Active Filter Structures." In 2019 42nd International Conference on Telecommunications and Signal Processing (TSP). IEEE, 2019. http://dx.doi.org/10.1109/tsp.2019.8768817.

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Arslan, T. "The design of analogue and digital filters using genetic algorithms." In IEE 15th SARAGA Colloquium on Digital and Analogue Filters and Filtering Systems. IEE, 1995. http://dx.doi.org/10.1049/ic:19951446.

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Bowron, P. "A performance assessment of audio filters using current-mode analogue devices." In IEE 15th SARAGA Colloquium on Digital and Analogue Filters and Filtering Systems. IEE, 1995. http://dx.doi.org/10.1049/ic:19951459.

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Al-Hashimi, B. "Current mode filters: design, simulation and implementation." In IEE 15th SARAGA Colloquium on Digital and Analogue Filters and Filtering Systems. IEE, 1995. http://dx.doi.org/10.1049/ic:19951450.

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Somerset, W. P. "Computer aided design of digital Nyquist filters." In IEE 15th SARAGA Colloquium on Digital and Analogue Filters and Filtering Systems. IEE, 1995. http://dx.doi.org/10.1049/ic:19951461.

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Anderson, M. S. "Audio frequency applications of PCAS and related filters." In IEE Sixteenth Saraga Colloquium on Digital and Analogue Filters and Filtering Systems. IEE, 1996. http://dx.doi.org/10.1049/ic:19961273.

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Al-Hashimi, B. "Behavioural simulation of filters." In IEE Colloquium on Analogue Simulation: the Dream and the Nightmare. IEE, 1995. http://dx.doi.org/10.1049/ic:19951205.

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Setty, S. "Ideas and concepts for the automation of analogue filters using qualitative reasoning." In IEE 15th SARAGA Colloquium on Digital and Analogue Filters and Filtering Systems. IEE, 1995. http://dx.doi.org/10.1049/ic:19951451.

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Sewell, J. I. "Switched-capacitor filters for FPGA implementation: tools and designs." In IEE Sixteenth Saraga Colloquium on Digital and Analogue Filters and Filtering Systems. IEE, 1996. http://dx.doi.org/10.1049/ic:19961266.

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Musa, M. "Optimisation of complex recursive digital filters operating in transient mode." In IEE 15th SARAGA Colloquium on Digital and Analogue Filters and Filtering Systems. IEE, 1995. http://dx.doi.org/10.1049/ic:19951460.

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Reports on the topic "Analogue filters"

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Robinson, David. Automatic Synthesis of VLSI Layout for Analog Continuous-time Filters. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.6789.

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Brotman, Susan. The Evaluation of Device Model Dependence in the Design of a High-Frequency, Analog, CMOS Transconductance-C Filter. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.6585.

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