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Journal articles on the topic 'Low Power Filter'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

Boyarskaya, N. P., V. P. Dovgun, D. E. Egorov, V. V. Novikov, and D. A. Shandrigin. "Minimization of power losses in passive power filters." Power engineering: research, equipment, technology 23, no. 6 (2022): 42–52. http://dx.doi.org/10.30724/1998-9903-2021-23-6-42-52.

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THE PURPOSE. Broadband passive filters (BBF) are an effective measure to mitigate harmonic resonance in power systems with nonlinear harmonic producing loads. The disadvantage of simple second-order broadband filters are pure selectivity and excessive fundamental frequency losses. This is especially evident in devices designed for low-order harmonics mitigation. This paper presents new broadband filter configurations with superior performances and low fundamental frequency losses.METHODS. A general method of broadband passive filter design is considered. The filter has the form of single-loade

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2

NERURKAR, SHAILESH B., and KHALID H. ABED. "LOW POWER DIGITAL DECIMATION FILTER FOR RF WIRELESS COMMUNICATIONS." Journal of Circuits, Systems and Computers 17, no. 02 (2008): 239–51. http://dx.doi.org/10.1142/s0218126608004241.

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In this paper, we present a unique low power decimation filter architecture for RF wireless applications. To implement the low power decimation filter, we considered low power design techniques such as multi-rate, multi-stage signal processing, proper selection of decimation factor, one multiplier realization of 1/3-band filters, and poly-phase 1/2-band filters. We have designed three conventional decimation filter architectures using a single-stage FIR filter, a three-stage FIR filter, and a three-stage half-band FIR filter. Compared to the 55-tap comb-FIR filter architecture, the proposed de

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3

UPATHAMKUEKOOL, CHAIRAT, AMORN JIRASEREE-AMORNKUN, and JIRAYUTH MAHATTANAKUL. "DESIGN OF LOW-VOLTAGE LOW-POWER COMPLEX ACTIVE-RC FILTERS." Journal of Circuits, Systems and Computers 22, no. 09 (2013): 1340003. http://dx.doi.org/10.1142/s0218126613400033.

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In this paper, novel realization of low-voltage low-power active-RC complex filters is presented. The previously proposed method to compensate for opamp non-idealities in real active-RC filter design, which is suitable for low-power low-voltage application, is extended such that it can be used in the case of complex filter design. Subsequently, fifth-order Chebyshev complex filter with 1-MHz center frequency, bandwidth and 0.5-dB bandpass ripple has been designed for Bluetooth application. Simulation results show that the designed complex filter consumes about 1 mW under 1-V single supply. Its

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4

Nilsson, Peter. "Architectures and Arithmetic for Low Static Power Consumption in Nanoscale CMOS." VLSI Design 2009 (January 17, 2009): 1–10. http://dx.doi.org/10.1155/2009/749272.

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This paper focuses on leakage reduction at architecture and arithmetic level. A methodology for considerable reduction of the static power consumption is shown. Simulations are done in a typical 130 nm CMOS technology. Based on the simulation results, the static power consumption is estimated and compared for different filter architectures. Substantial power reductions are shown in both FIR-filters and IIR-filters. Three different types of architectures, namely, bit-parallel, digit-serial, and bit-serial structures are used to demonstrate the methodology. The paper also shows that the relative

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5

M.Renuka*1, B.Divya2 &. B.Preethi3. "ACTIVE LOW PASS FILTER FOR BIOMEDICAL APPLICATIONS." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 12 (2017): 214–23. https://doi.org/10.5281/zenodo.1116616.

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Ultra low power with biomedical frequency low-pass filters has many applications in biomedical signal processing unit. Biomedical signals are usually in the 10mHz to 100Hz frequency range and hence require sub hertz frequency filters to condition to the signal before processing the performance of passive filters degrades at the high frequencies and the required values of resistance and inductance and very difficult to meet from the market. To find a solution to this problem is to study active filters using Operational Transconductance Amplifier (OTA). The aim of this work to determine the valu

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Satyanarayana, Dr S. V. V., K. Teja Sri, K. Madhavi, G. Jhansi, and B. Jaya Sri. "Design and Implementation of High Speed Low Power Decimation Filter for Hearing AID Applications." International Journal of Recent Technology and Engineering (IJRTE) 12, no. 1 (2023): 27–32. http://dx.doi.org/10.35940/ijrte.a7564.0512123.

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This work is focused on designing and implementing a decimation filter specifically intended for use in hearing aid applications. The filter utilizes distributed arithmetic (DA) and is described in this brief. Our proposal involves the development of a reconfigurable finite impulse response (FIR) filter, which utilizes both offset binary code (OBC) and binary distributed arithmetic (DA) techniques. Additionally, we utilize canonic signed digit (CSD) representation to develop decimation filters, which include the CIC filter, half band filter, and corrector filter. In this work, we have implemen

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Dr., S. V. V. Satyanarayana, Teja Sri K, Madhavi K, Jhansi G, and Jaya Sri B. "Design and Implementation of High Speed Low Power Decimation Filter for Hearing AID Applications." International Journal of Recent Technology and Engineering (IJRTE) 12, no. 1 (2023): 27–32. https://doi.org/10.35940/ijrte.A7564.0512123.

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<strong>Abstract: </strong>This work is focused on designing and implementing a decimation filter specifically intended for use in hearing aid applications. The filter utilizes distributed arithmetic (DA) and is described in this brief. Our proposal involves the development of a reconfigurable finite impulse response (FIR) filter, which utilizes both offset binary code (OBC) and binary distributed arithmetic (DA) techniques. Additionally, we utilize canonic signed digit (CSD) representation to develop decimation filters, which include the CIC filter, half band filter, and corrector filter. In

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Parvizi, Mostafa, Abouzar Taghizadeh, Hamid Mahmoodian, and Ziaadin Daei Kozehkanani. "A Low-Power Mixed-Mode SIMO Universal Gm–C Filter." Journal of Circuits, Systems and Computers 26, no. 10 (2017): 1750164. http://dx.doi.org/10.1142/s021812661750164x.

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This paper describes a new single-input multiple-output (SIMO) mixed-mode universal biquad [Formula: see text]–[Formula: see text] filter. It can realize all kinds of filter responses including high-pass, band-pass, low-pass, band-stop and all-pass filters, simultaneously. Moreover, in this structure, all of these filters in all states of voltage mode, current mode, transresistance mode and transconductance mode are achieved by the same topology without any convertor. The proposed filter employs three operational transconductance amplifiers (OTAs) with four inputs and one output, three fully d

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Jendernalik, Waldemar, Jacek Jakusz та Grzegorz Blakiewicz. "Low-Voltage Low-Power Filters with Independent ω0 and Q Tuning for Electronic Cochlea Applications". Electronics 11, № 4 (2022): 534. http://dx.doi.org/10.3390/electronics11040534.

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An acoustic second-order low-pass filter is proposed for filter banks emulating the operation of a human cochlea. By using a special filter structure and an innovative quality (Q)-factor tuning technique, an independent change of the cutoff frequency (ω0) and the Q-factor with unchanged gain at low frequencies is achieved in this filter. The techniques applied result in a simple filter design with low Q-factor sensitivity to component mismatch. These filter features greatly simplify the implementation of the electronic cochlea in CMOS technologies. An exemplary filter bank designed and simulat

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Bojjawar, Satish, and Prabhu G. Benakop. "VLSI Implementation of Low Power FIR Filter using Variable Precision Two-Dimensional Pipeline Gating Multiplier." YMER Digital 21, no. 08 (2022): 66–75. http://dx.doi.org/10.37896/ymer21.08/08.

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The low-power FIR filter is required for many DSP applications. The crucial and powerhungry block in the filter is a multiplier. To implement the low power FIR filter a twodimensional variable precision fine-grain pipeline gating technique is introduced in the multiplier. The optimized multiplier is used to implement the transposed form-based FIR filter for the order N = 8 in ASIC design tools from Cadence in CMOS 45nm Technology. The designed FIR filter is compared with the existing multiplier-based FIR filters. The power-saving is achieved by the proposed filter is 22% without any degradatio

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Bano, Najbeen, Reena Pal, Er Deepika Verma, and Dr Shiksha Jain. "Literature Review of Low Pass Filters Based on CMOS for Biomedical Applications." International Journal for Research in Applied Science and Engineering Technology 11, no. 4 (2023): 4607–11. http://dx.doi.org/10.22214/ijraset.2023.51294.

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Abstract: A survey of low pass filters with good linearity, low weight, and low power consumption has been done in this study .we examine the numerous low pass filter types ,their uses and design factors in this survey. we start by looking at low pass filters fundamental concepts and characteristics of their frequency response. in this study ,many low pass filter types and associated technologies are discussed. Low pass filter with low noise ,low power requirements, and low weight have been shown to be an implementing RKTG pairs in low pass filter circuits by varying the aspect ration of MOSFE

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Rahiman, P. F. Khaleelur, and V. S. Jayanthi. "Low Power Adder Based Auditory Filter Architecture." Scientific World Journal 2014 (2014): 1–6. http://dx.doi.org/10.1155/2014/709149.

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Cochlea devices are powered up with the help of batteries and they should possess long working life to avoid replacing of devices at regular interval of years. Hence the devices with low power consumptions are required. In cochlea devices there are numerous filters, each responsible for frequency variant signals, which helps in identifying speech signals of different audible range. In this paper, multiplierless lookup table (LUT) based auditory filter is implemented. Power aware adder architectures are utilized to add the output samples of the LUT, available at every clock cycle. The design is

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Rao, Dr B. Rama. "Design and Implementation of 6-Tap FIR Filter Using MAC for Low Power Applications." International Journal for Research in Applied Science and Engineering Technology 10, no. 6 (2022): 1506–11. http://dx.doi.org/10.22214/ijraset.2022.44081.

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Abstract: A Significant number of mathematical operations, such as multiplication and accumulation, are often required by a digital signal processing (DSP) algorithm. Many DSP applications have latency limitations, which mean that the DSP operation must be performed within a certain amount of time for the system to function, and because DSP gives high accuracy, filters constructed in DSP have tighter control over the output accuracy. As a result, DSP applications must be fast, have a high throughput, and use little power. Filters with a finite impulse response (FIR) are commonly employed in di

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14

Jung, Jun Mo, and Jong-Wha Chong. "A Low Power FIR Filter Design for Image Processing." VLSI Design 12, no. 3 (2001): 391–97. http://dx.doi.org/10.1155/2001/54974.

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In this paper, a new low power design method of the FIR filter for image processing is proposed. Because the correlation between adjacent pixels is very high in image data, the clock gating technique can be a good candidate for low power strategy. However, the conventional clock gating strategy that is applied independently to every flip-flop of the filter give rise to too much additional area overhead and couldn't get a good result in the power reduction. In our method, each tap register, which is used to delay the input data in the filter, is partitioned into two sub-registers according to t

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15

Aparna, A., and T. Vigneswaran. "DESIGN OF HIGH PERFORMANCE MULTIPLIERLESS LINEAR PHASE FINITE IMPULSE RESPONSE FILTERS." Asian Journal of Pharmaceutical and Clinical Research 10, no. 13 (2017): 66. http://dx.doi.org/10.22159/ajpcr.2017.v10s1.19564.

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This research work proposes the finite impulse response (FIR) filters design using distributed arithmetic architecture optimized for field programmable gate array. To implement computationally efficient, low power, high-speed FIR filter a two-dimensional fully pipelined structure is used. The FIR filter is dynamically reconfigured to realize low pass and high pass filter by changing the filter coefficients. The FIR filter is most fundamental components in digital signal processing for high-speed application. The aim of this research work is to design multiplier-less FIR filter for the requirem

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Priya, D. Hari. "Low Power Implementation and Analysis of Digital Fir Filter Based Low Power Multiplexer Base Shift/Add Multiplier." International Journal of Scientific Research 3, no. 8 (2012): 94–96. http://dx.doi.org/10.15373/22778179/august2014/29.

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17

Dovgun, V. P., D. E. Egorov, N. P. Boyarskaya, A. F. Sinyagovskiy, and N. A. Ryzhov. "Ladder broadband damping filters." Power engineering: research, equipment, technology 26, no. 1 (2024): 77–92. http://dx.doi.org/10.30724/1998-9903-2024-26-1-77-92.

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RELEVANCE. The large proliferation of various nonlinear loads has led to serious power-quality related problems in power systems. THE PURPOSE. In this paper, we consider design procedure of broadband passive filters with flat frequency characteristics. METHODS. A general method for optimally design the arbitrary order broadband passive filters (BBF) is considered. The base structure of BBF has the form of resistively loaded reactive two-port. Conditions of low fundamental frequency loss and required filer selectivity have been determined. The BBF design procedure minimizes the grid total curre

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18

Ertasgin, Gurhan, and David M. Whaley. "Analysis and Optimization of Output Low-Pass Filter for Current-Source Single-Phase Grid-Connected PV Inverters." Applied Sciences 14, no. 22 (2024): 10131. http://dx.doi.org/10.3390/app142210131.

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In this study, the design of output low-pass capacitive–inductive (CL) filters is analyzed and optimized for current-source single-phase grid-connected photovoltaic (PV) inverters. Four different CL filter configurations with varying damping resistor placements are examined, evaluating performance concerning the output current’s total harmonic distortion (THD), the power factor (PF), and power losses. High-frequency harmonics are effectively attenuated by a second-order CL filter with the damping resistor placed parallel to the filter inductor. In addition, this filter type achieves the best p

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Poornima, Y., and M. Kamalanathan. "Design of Low Power Vedic Multiplier Based Reconfigurable Fir Filter for DSP Applications." International Journal of Advance Research and Innovation 7, no. 2 (2019): 57–60. http://dx.doi.org/10.51976/ijari.721908.

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Recent advances in mobile computing and multimedia applications demand high - performance and low - power VLSI digital signal processing (DSP) systems. One of the most widely used operations in DSP is finite - impulse response (FIR) filtering. In the existing method FIR filter is designed using array multiplier, which is having higher delay and power dissipation. The proposed method presents a programmable digital finite impulse response (FIR) filter for high - performance applications. One of the most widely used operations in DSP is finite - impulse response (FIR) filtering. In the existing

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Lin, Yang, Zhi Qun Li, Chen Jian Wu, Meng Zhang, and Zeng Qi Wang. "Design of Low Voltage Low Power LPF for WSN Node." Advanced Materials Research 760-762 (September 2013): 54–59. http://dx.doi.org/10.4028/www.scientific.net/amr.760-762.54.

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A fourth-order low-pass continuous-time filter for a WSN transmitter is presented. The active RC filter was chosen for the high linearity, designed by using the leapfrog topology imitates the passive filter. The operation amplifier (op-amp) adopted by the filter is feed-forward operation amplifier, which could get the GBW as large as possible under the low power consumption. The cut-off frequency deviation due to the process corner, aging and temperature deviation is adjusted by an automatic frequency tuning circuit. The filter in a 0.18μm RF CMOS technology consumes 1mW from a 1V power supply

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Kumngern, Montree, Fabian Khateb, and Tomasz Kulej. "0.5 V, Low-Power Bulk-Driven Current Differencing Transconductance Amplifier." Sensors 24, no. 21 (2024): 6852. http://dx.doi.org/10.3390/s24216852.

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This paper presents a novel low-power low-voltage current differencing transconductance amplifier (CDTA). To achieve a low-voltage low-power CDTA, the BD-MOST (bulk-driven MOS transistor) technique operating in a subthreshold region is used. The proposed CDTA is designed in 0.18 µm CMOS technology, can operate with a supply voltage of 0.5 V, and consumes 1.05 μW of power. The proposed CDTA is used to realize a current-mode universal filter. The filter can realize five standard transfer functions of low-pass, band-pass, high-pass and band-stop, and all-pass from the same circuit. Neither compon

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Kaminski, Iris, Nicolae Vescan, and Avner Adin. "Particle size distribution and wastewater filter performance." Water Science and Technology 36, no. 4 (1997): 217–24. http://dx.doi.org/10.2166/wst.1997.0123.

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Particle size distribution (PSD) allows more accurate simulations of filtration models and better understanding of filter performance. PSD in municipal activated sludge effluent filtration is determined, varying filtration rate, grain size, flocculant type and dosage and function parameters are examined in this work. Results show, that removal efficiency varies for different size groups: small particles in the range of 5-10 μm in initialization stage, with no chemical aids, are poorly removed. Higher rate filters were more sensitive to the particle size than lower rate filters. Filtration with

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FATIN, Gh ZAREH, and Z. D. KOOZEH KANANI. "A VERY LOW POWER BANDPASS FILTER FOR LOW-IF APPLICATIONS." Journal of Circuits, Systems and Computers 17, no. 04 (2008): 685–701. http://dx.doi.org/10.1142/s0218126608004496.

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This paper presents a second-order bandpass filter for IF frequencies in the range of 500 kHz–2 MHz. By using a single Gm–cell as a biquad filter, considerable saving in area and power is feasible. Higher order structures can be achieved by cascading this second-order block. This Gm-C filter achieves a dynamic range of 37 dB for 1% IM3 in Bluetooth while dissipating only 10.5 mW from 3.3 power supply in 0.35 μm CMOS process. The on-chip indirect automatic tuning circuit sets the filter center frequency to an external reference clock.

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Jendernalik, Waldemar, Jacek Jakusz, and Grzegorz Blakiewicz. "Ladder-Based Synthesis and Design of Low-Frequency Buffer-Based CMOS Filters." Electronics 10, no. 23 (2021): 2931. http://dx.doi.org/10.3390/electronics10232931.

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Buffer-based CMOS filters are maximally simplified circuits containing as few transistors as possible. Their applications, among others, include nano to micro watt biomedical sensors that process physiological signals of frequencies from 0.01 Hz to about 3 kHz. The order of a buffer-based filter is not greater than two. Hence, to obtain higher-order filters, a cascade of second-order filters is constructed. In this paper, a more general method for buffer-based filter synthesis is developed and presented. The method uses RLC ladder prototypes to obtain filters of arbitrary orders. In addition,

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Grati, Khaled, Nadia Khouja, Bertrand Le Gal, and Adel Ghazel. "Power Consumption Models for Decimation FIR Filters in Multistandard Receivers." VLSI Design 2012 (May 27, 2012): 1–15. http://dx.doi.org/10.1155/2012/870546.

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Decimation filters are widely used in communication-embedded systems. In fact, decimation filters are useful for implementing channel filtering or selection with low-computation complexity requirements. Many multistandard receiver designs that are required in ubiquitous embedded systems are based on a cascade of decimation filter processing. Filter number and implementation architectures have a significant impact on system performances, such as computation complexity, area, throughput, and power consumption. In this work, we present filter power consumption estimation models for FIR filters. P

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Punzenberger, M., and C. C. Enz. "A compact low-power BiCMOS log-domain filter." IEEE Journal of Solid-State Circuits 33, no. 7 (1998): 1123–29. http://dx.doi.org/10.1109/4.701278.

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Kumar, Sandeep, and Vigneswaran T. "HIGH PERFORMANCE ADAPTIVE FINITE IMPULSE RESPONSE FILTER USING NEW DISTRIBUTED ARITHMETIC ALGORITHM." Asian Journal of Pharmaceutical and Clinical Research 10, no. 13 (2017): 352. http://dx.doi.org/10.22159/ajpcr.2017.v10s1.19754.

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Finite Impulse Response (FIR) filters is very important in signal Processing Applications. This research is to analyze the performance of FIR filter with the Xilinx Software. The Distributed Arithmetic (DA) algorithm is extensively used in FIR Filter to improve its speed and reducing the area of the filter. The design of low power filter will be achieved by pipelining and parallel processing concept on distributed Arithmetic. The aim is to design filter which has less delay time and supports the pipelining/parallel processing feature, helps in high speed with less power dissipation and area. T

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REKHA, S., та T. LAXMINIDHI. "LOW VOLTAGE, LOW POWER CHEBYSHEV FILTER IN 0.18 μm CMOS TECHNOLOGY". Journal of Circuits, Systems and Computers 22, № 07 (2013): 1350053. http://dx.doi.org/10.1142/s0218126613500539.

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This paper presents an active-RC continuous time filter in 0.18 μm standard CMOS technology intended to operate on a very low supply voltage of 0.5 V. The filter designed, has a 5th order Chebyshev low pass response with a bandwidth of 477 kHz and 1-dB passband ripple. A low-power operational transconductance amplifier (OTA) is designed which makes the filter realizable. The OTA uses bulk-driven input transistors and feed-forward compensation in order to increase the Dynamic Range and Unity Gain Bandwidth, respectively. The paper also presents an equivalent circuit of the OTA and explains how

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Touil, Lamjed, Abdelaziz Hamdi, Ismail Gassoumi, and Abdellatif Mtibaa. "Design of Low-Power Structural FIR Filter Using Data-Driven Clock Gating and Multibit Flip-Flops." Journal of Electrical and Computer Engineering 2020 (July 10, 2020): 1–9. http://dx.doi.org/10.1155/2020/8108591.

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Optimization for power is one of the most important design objectives in modern digital signal processing (DSP) applications. The digital finite duration impulse response (FIR) filter is considered to be one of the most essential components of DSP, and consequently a number of extensive works had been carried out by researchers on the power optimization of the filters. Data-driven clock gating (DDCG) and multibit flip-flops (MBFFs) are two low-power design methods that are used and often treated separately. The combination of these methods into a single algorithm enables further power saving o

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Srinivasagan, Ramasamy. "Advanced low-power filter architecture for biomedical signals with adaptive tuning." PLOS ONE 20, no. 1 (2025): e0311768. https://doi.org/10.1371/journal.pone.0311768.

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This paper presents a low-power, second-order composite source-follower-based filter architecture optimized for biomedical signal processing, particularly ECG and EEG applications. Source-follower-based filters are recommended in the literature for high-frequency applications due to their lower power consumption when compared to filters with alternative topologies. However, they are not suitable for biomedical applications requiring low cutoff frequencies as they are designed to operate in the saturation region. The major contribution in this work are the filter is made to operate in the weak

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Chen, Ming-Hung. "Development of Shunt-Type Three-Phase Active Power Filter with Novel Adaptive Control for Wind Generators." Scientific World Journal 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/963456.

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This paper proposes a new adaptive filter for wind generators that combines instantaneous reactive power compensation technology and current prediction controller, and therefore this system is characterized by low harmonic distortion, high power factor, and small DC-link voltage variations during load disturbances. The performance of the system was first simulated using MATLAB/Simulink, and the possibility of an adaptive digital low-pass filter eliminating current harmonics was confirmed in steady and transient states. Subsequently, a digital signal processor was used to implement an active po

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Dong, Wen Kai, Jie Hu, and Jia Fu Yin. "Analysis and Design of Coupling Module for Low-Voltage Power Line Communication." Applied Mechanics and Materials 651-653 (September 2014): 1024–27. http://dx.doi.org/10.4028/www.scientific.net/amm.651-653.1024.

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In this paper, a method to design coupling and filtering device for low-voltage power line communication system is presented. The data transfer mode of power line communication and the signal’s working attenuation of low-voltage power line are analyzed. As for low-voltage power line, the input impendance is stable in the frequency band over 1MHz. So the working band of the coupling device is 4MHz-21MHz. Based on capacitive coupling, we use coupling capacitance as the main element and design a coupling circuit. Filters are needed when the coupling device is receiving a signal. Based on Chebyshe

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Yu, Wan Neng, Su Wen Li, and Min Ying Zheng. "The Filtering Mechanism Modeling and Simulation of Passive Power Filter Based on Differentiator Circuit." Advanced Materials Research 430-432 (January 2012): 1593–96. http://dx.doi.org/10.4028/www.scientific.net/amr.430-432.1593.

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Traditional continuous-time filters are of integer order which the power loss of passive power filter is general very much. However, using fractional calculus, filters may also be represented by the more general fractional-order differential equations. In this work, firstly, the passive elements were described with fractional-order differential equations depending on the introduction of fractional calculus application research. Secondly, the mathematical model of fractional-order filters was derived and discussed which includes high impedance at a certain frequency and low impedance at others,

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Liu, Shuang Bing. "A Novel Rectenna Design with DGS Filters for Low-Power Energy Transfer." Applied Mechanics and Materials 668-669 (October 2014): 787–90. http://dx.doi.org/10.4028/www.scientific.net/amm.668-669.787.

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A high efficiency rectifying antenna (rectenna) is designed at 5.8 GHz by using defected ground structure (DGS) filters for low-power energy transfer. A slot-coupled patch antenna is used as a receiving antenna with a high gain of 8.2dB. A DGS low-pass filter at the input port of the rectifying circuit is used to suppress the high order harmonics by 20dB. A DGS dc-pass filter is designed to block the AC signal from transmitting to the load. Both of the antenna and the filters are simulated by the full wave EM analysis software of HFSS. The RF-DC conversion efficiency of 51.8% is obtained when

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Halkhams, Imane, Mahmoud Mehdi, Said Mazer, Moulhime El Bekkali, and Wafae El Hamdani. "Improved Fully Differential Low Power Active Filter." International Journal of Power Electronics and Drive Systems (IJPEDS) 8, no. 2 (2017): 747. http://dx.doi.org/10.11591/ijpeds.v8.i2.pp747-754.

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This paper relates the new topology and simulations of a fully differential CMOS active filter for mm wave band applications. The advantages of the differential topology over the single ended one are discussed and the quality factor is tuned to insure application requirements, including narrow bandwidth and high selectivity due to a differential negative resistance that reuses the filter’s current. Using this topology enables independent tuning of the quality factor and low power consumption while compensating the resistive loss of the filter. Very high filter performance was obtained with the

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Sharma, Pavan, Veerendra Jadaun, Devesh Mahor, and Atal Verma. "Designing Microstrip Low Pass Filter In ISM Band For Rectenna System." International Journal of Engineering & Technology 1, no. 4 (2012): 356. http://dx.doi.org/10.14419/ijet.v1i4.287.

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The filter is required in all RF-communication techniques. Low Pass Filters play an important role in wireless power transmission systems. Transmitted and received signals have to be filtered at a certain frequency with a specific bandwidth. In this paper the design of filter is done in the ISM (Industrial, Scientific and Medical) band whose frequency lies between 1.55GHz- 3.99GHz. After getting the specifications required, we realized the filter structure with the help of CST-MW software.

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Liu, Hui, and Wei Zheng. "Design and Implementation of High Speed and Low Power Filter." Journal of Nanoelectronics and Optoelectronics 19, no. 11 (2024): 1180–85. https://doi.org/10.1166/jno.2024.3680.

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In order to solve the problems of complex structure and high power consumption of current sampling filter circuit, a high speed and low power Filter design scheme based on pipeline structure is proposed in this paper. This filter is composed of recursive CIC filter and FIR filter based on shift adder. The order of CIC filter and FIR filter can be adjusted according to the difference between the measured temperature and the threshold temperature range set by the user, thus the power consumption of the filter is reduced. The experimental results show that, under the same conditions, the utilizat

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Wu, Guoan, Siyuan Dong, and Qinfen Xu. "The Integrated Design of Power Dividerand Low-pass Filter." Frequenz 72, no. 11-12 (2018): 517–21. http://dx.doi.org/10.1515/freq-2017-0206.

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Abstract A compact filtering Wilkinson power divider with harmonic suppression based on lumped components is presented in this paper. The new divider uses two 5th-order elliptic-function low-pass filters to replace the quarter wavelength microstrip lines of the conventional Wilkinson power divider. The structure combines the power divider and the filter into a complete device. By integrating elliptic low-pass filters with the power divider, the proposed structure can suppress harmonics due to the filter’s band-notched characteristic. The power divider demonstrates a measured suppression of 37.

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Długosz, Rafał, Andrzej Rydlewski, and Tomasz Talaśka. "Novel, low power, nonlinear dilatation and erosion filters realized in the CMOS technology." Facta universitatis - series: Electronics and Energetics 28, no. 2 (2015): 237–49. http://dx.doi.org/10.2298/fuee1502237d.

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In this paper we propose novel, binary-tree, asynchronous, nonlinear filters suitable for signal processing realized at the transistor level. Two versions of the filter have been proposed, namely the dilatation (Max) and the erosion (Min) one. In the proposed circuits an input signal (current) is sampled in a delay line, controlled by a multiphase clock. In the subsequent stage particular samples are converted to 1-bit digital signals with delays proportional to the values of these samples. In the last step the delays are compared in digital binary-tree structure in order to find either the Mi

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Mewada, Hiren K., and Jitendra Chaudhari. "Low computation digital down converter using polyphase IIR filter." Circuit World 45, no. 3 (2019): 169–78. http://dx.doi.org/10.1108/cw-02-2019-0015.

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Purpose The digital down converter (DDC) is a principal component in modern communication systems. The DDC process traditionally entails quadrature down conversion, bandwidth reducing filters and commensurate sample rate reduction. To avoid group delay, distortion linear phase FIR filters are used in the DDC. The filter performance specifications related to deep stopband attenuation, small in-band ripple and narrow transition bandwidth lead to filters with a large number of coefficients. To reduce the computational workload of the filtering process, filtering is often performed as a two-stage

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Usman, Zubairu, Muhammad Hasbi Azmi, Siti Zaliha Mohammad Noor, and Suleiman Musa. "Performance improvement of harmonic detection algorithm in three phase three wire shunt active power filter under balance voltage condition." International Journal of Power Electronics and Drive Systems (IJPEDS) 16, no. 1 (2025): 380. https://doi.org/10.11591/ijpeds.v16.i1.pp380-388.

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Effective harmonic current identification is critical for shunt active power filters (SAPF) to provide accurate and sufficient compensation. This study proposes a modified synchronous reference frame fundamental (MSRFF) method for harmonic extraction in three-phase, three-wire systems. A band pass filter (BPF) was designed by combining low-pass and high-pass filters in the direct-quadrature (d-q) reference frame to improve filtering performance. Unlike traditional methods using phase-locked loops (PLL), this approach employs unit vector templates for synchronization and relies on direct curren

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Usman, Zubairu, Muhammad Hasbi Azmi, Siti Zaliha Mohammad Noor, and Suleiman Musa. "Performance improvement of harmonic detection algorithm in three phase three wire shunt active power filter under balance voltage condition." International Journal of Power Electronics and Drive Systems 16, no. 1 (2025): 380–88. https://doi.org/10.11591/ijpeds.v16.i1.pp380-388.

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Effective harmonic current identification is critical for shunt active power filters (SAPF) to provide accurate and sufficient compensation. This study proposes a modified synchronous reference frame fundamental (MSRFF) method for harmonic extraction in three-phase, three-wire systems. A band pass filter (BPF) was designed by combining low-pass and high-pass filters in the direct-quadrature (d-q) reference frame to improve filtering performance. Unlike traditional methods using phase-locked loops (PLL), this approach employs unit vector templates for synchronization and relies on direct curren

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Gaiceanu, Marian, Silviu Epure, Razvan Constantin Solea, and Razvan Buhosu. "Power Quality Improvement with Three-Phase Shunt Active Power Filter Prototype Based on Harmonic Component Separation Method with Low-Pass Filter." Energies 18, no. 3 (2025): 556. https://doi.org/10.3390/en18030556.

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This work contributes to both Romania’s and the European Union’s energy policies by highlighting the research results obtained within the Dunarea de Jos University of Galati, but also through the technological transfer of this knowledge to the industry. In order to improve the power quality of the nonlinear loads connected to the electrical grid, a three-phase shunt active power filter prototype based on the Harmonic Component Separation Method with a Low-Pass Filter was used. The active power filter is connected at the Point of Common Coupling to compensate for individual loads or even all of

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Guo, Wei, Sihua Lu, Qiurun He, et al. "Investigation on the self-starting Mamyshev oscillator with low threshold." Laser Physics Letters 19, no. 8 (2022): 085101. http://dx.doi.org/10.1088/1612-202x/ac7571.

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Abstract We have demonstrated a mode-locked Mamyshev oscillator based on a single-mode-fibre configuration with low threshold. The influences of spectral filters and the pump power on the output laser characteristics have been investigated. In the case with spectral-filter central wavelength far away from the peak of gain spectrum, the laser pulses have deviated slightly from similariton evolution with gain-shaping under high pump power. Moreover, self-starting mode-locking operation has been realized when the pump power was only 520 mW, which might benefit from the appropriate polarization co

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Milic, Ljiljana, and Tapio Saramaki. "Power-complementary IIR filter pairs with an adjustable crossover frequency." Facta universitatis - series: Electronics and Energetics 16, no. 3 (2003): 295–304. http://dx.doi.org/10.2298/fuee0303295m.

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This paper introduces two classes of power-complementary recursive low-pass/high-pass filter pairs with an adjustable crossover frequency in such a way that the stopband attenuation of both filters remains the same. For each class, the filter pair is constructed using two all-pass sub-filters as building blocks. Based on the properties elliptic minimal Q-factors transfer functions, simple expressions are derived for evaluating the coefficients in all-pass sections in order to achieve the desired crossover frequency. The design procedures are developed for synthesizing power-complementary filte

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Azebaze Mboving, Chamberlin Stéphane. "Investigation on the Work Efficiency of the LC Passive Harmonic Filter Chosen Topologies." Electronics 10, no. 8 (2021): 896. http://dx.doi.org/10.3390/electronics10080896.

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The use of passive harmonic filters (PHFs) in an electrical system is in most cases for the fundamental harmonic reactive power compensation and harmonics mitigation. In comparison to other filters applied to improve the power quality, such as the shunt active power filter or hybrid active power filter, their main advantages are the low investment costs and easy applicability in low-, medium-, and high-voltage electrical systems. However, their installation demands a deep analysis of the electrical system as well as a thorough knowledge of the topology to be installed. Their work efficiency is

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Jameil, Ahmed K., Yassir A. Ahmed, and Saad Albawi. "Efficient FIR Filter Architecture using FPGA." Recent Advances in Computer Science and Communications 13, no. 1 (2020): 91–98. http://dx.doi.org/10.2174/2213275912666190603115506.

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Background: Advance communication systems require new techniques for FIR filters with resource efficiency in terms of high performance and low power consumption. Lowcomplexity architectures are required by FIR filters for implementation in field programmable gate Arrays (FPGA). In addition, FIR filters in multistandard wireless communication systems must have low complexity and be reconfigurable. The coefficient multipliers of FIR filters are complicated. Objective: The implementation and application of high tap FIR filters by a partial product reduce this complexity. Thus, this article propos

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Avram, Sebastian, and Radu Vasiu. "Passive Power Line Communication Filter Design and Benchmarking Using Scattering Parameters." Applied Sciences 13, no. 11 (2023): 6821. http://dx.doi.org/10.3390/app13116821.

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NB-PLC (narrowband power line communication) is a method of data communication that involves superimposing a relatively high-frequency signal (9 kHz to 500 kHz), which contains data, onto the power grid’s low frequency (50 to 60 Hz) signal. While using the existing power grid as a transmission medium is convenient, the power grid was not designed for this purpose, leading to challenges such as conducted emissions and infrastructure limitations. To overcome these technical challenges, passive filters are necessary. This article presents the design, simulation (using scattering parameters), and

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Hu, Hui Yong, Liu Sun, He Ming Zhang, and Jian Jun Song. "A Low-Power High Linearity Gm-C Filter." Applied Mechanics and Materials 109 (October 2011): 266–70. http://dx.doi.org/10.4028/www.scientific.net/amm.109.266.

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A low-power, high linearity Gm-C filter is presented and designed.The input transistors of Gm is biased in linear region, and drain-source voltage is constant through feedback loop. The filter is designed in SMIC 0.18μm Mixed Signal CMOS PDK (Process Design Kit) with cutoff frequency 15.74 MHz, Passband ripple less than 0.2dB,while dissipating 2.5mW. It can be used as Baseband filter in RF system.

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Konal, Mustafa, and Firat Kacar. "DTMOS based low-voltage low-power all-pass filter." Analog Integrated Circuits and Signal Processing 108, no. 1 (2021): 173–79. http://dx.doi.org/10.1007/s10470-021-01878-z.

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