scholarly journals Design and Implementation of a Novel Microstrip Filter

2019 ◽  
Vol 8 (2S5) ◽  
pp. 43-46
Keyword(s):  
Transmission Line ◽  
Impulse Response ◽  
Printed Circuit Board ◽  
Filter Design ◽  
Finite Impulse Response ◽  
Circuit Board ◽  
Infinite Impulse Response ◽  
Pass Band ◽  
Electrical Transmission ◽  
Band Frequency

Microwave filters are circuits which perform signal processing functions, particularly to eliminate unwanted frequency components from the signal, to enhance wanted ones, or both. Electronic filters can be passive or active(depends on components used) Analog or digital(depends on input signal) High-pass, Low-pass, Band-pass, Band-stop or all other pass (depends on frequency) Infinite impulse response (IIR type) or Finite impulse response (FIR type) (Depends on response) Microstrip is a type of electrical transmission line which can be fabricated using printed circuit board technology, and is used to convey microwave frequency signals. Microwave components such as antennas, couplers, filters, power dividers etc can be formed using microstrip line. This paper aims on filter design, using microstrip transmission line, with a Non-Periodic technique especially using Defected Microstrip Structure to be operated in the C – Band frequency.

The Spectra of Filters

2021 ◽  
pp. 204-268
Author(s):  
Victor Lazzarini
Keyword(s):  
Fourier Transform ◽  
Impulse Response ◽  
Discrete Time ◽  
Filter Design ◽  
Finite Impulse Response ◽  
Infinite Impulse Response ◽  
Main Body ◽  
Analysis Tool ◽  
The Fourier Transform ◽  
Definition Of

This chapter now turns to the discussion of filters, which extend the notion of spectrum beyond signals into the processes themselves. A gentle introduction to the concept of delaying signals, aided by yet another variant of the Fourier transform, the discrete-time Fourier transform, allows the operation of filters to be dissected. Another analysis tool, in the form of the z-transform, is brought to the fore as a complex-valued version of the discrete-time Fourier transform. A study of the characteristics of filters, introducing the notion of zeros and poles, as well as finite impulse response (FIR) and infinite impulse response (IIR) forms, composes the main body of the text. This is complemented by a discussion of filter design and applications, including ideas related to time-varying filters. The chapter conclusion expands once more the definition of spectrum.

scholarly journals Comprehensive Optimal Fir Filter Design Procedures With Various Impacts

2019 ◽  
Vol 8 (3) ◽  
pp. 1562-1566
Keyword(s):  
Signal Processing ◽  
Impulse Response ◽  
Adaptive Filters ◽  
Filter Design ◽  
Finite Impulse Response ◽  
Digital Signal ◽  
Infinite Impulse Response ◽  
Processing Unit ◽  
Filter Noise ◽  
Fir Filter Design

Digital-signal-processing (DSP) is one of the recent emerging techniques contain more filtering operations. It may an image type or audio/ video signal processing. Each processing unit has filtering sections to filter noise elements. Hence, there is a need for efficient and secure algorithmic scheme. Here, a exhaustive scrutiny use of complex optimization algorithms towards the digital-filter construction is conferred. In appropriate, the scrutiny target on the identification of various suggestions and limitations in FIR system design. For exact representations, the infinite impulse response adaptive filters and finite impulse response models are considered for estimation. It is designed to review a various swarm and evolutionary computing structures employed for filter design schemes. Some popular computing algorithms are noticed to recover characteristics of percolate design approach. Further, compared with recent research for identifying the updating features in optimization schemes. Finally, this review suggested that the swarm intelligence based researchers improved the constraints and its attributes.

scholarly journals Analisis Aplikasi Filter FIR dan Filter IIR dalam Pra-pemrosesan Sinyal Elektroensefalografi

2020 ◽  
Vol 12 (1) ◽  
pp. 40-48
Author(s):  
Caroline Caroline ◽  
Nabila Husna Shabrina ◽  
Melania Regina Ao ◽  
Nadya Laurencya ◽  
Vanessa Lee
Keyword(s):  
Impulse Response ◽  
Wavelet Decomposition ◽  
Filter Design ◽  
Finite Impulse Response ◽  
Amplitude Ratio ◽  
Processing Parameters ◽  
Infinite Impulse Response ◽  
Eeg Signal ◽  
Iir Filter ◽  
Signal Preprocessing

Abstract – Electroencephalography (EEG) is a method used to analyze brain activities, detect abnormalities in brain, and diagnose brain-related disease. To extract information from EEG signal, preprocessing steps such as Fast Fourier Transform (FFT), filter, and wavelet decomposition will be needed. This paper primarily focuses on implementation of Finite Impulse Response (FIR) and Infinite Impulse Response (IIR) filter design in EEG signal preprocessing in MATLAB software. The result of the simulation indicates that each filter design implemented in EEG preprocessing has different performance and side effect toward signal processing parameters such as phase distortion, amplitude ratio, and processing time. Filter design type implementation also affect power and entropy calculation result. Keywords – EEG, FIR filter digital, IIR filter digital, Wavelet Decomposition, GUI-MATLAB

scholarly journals NANO-studio, the design environment of filter banks implemented in standard CMOS technology

2021 ◽  
Author(s):  
Andrzej Handkiewicz ◽  
Mariusz Naumowicz
Keyword(s):  
Impulse Response ◽  
Filter Banks ◽  
Finite Impulse Response ◽  
Infinite Impulse Response ◽  
Cmos Process ◽  
Digital Cmos ◽  
Additional Advantage ◽  
Analysis And Synthesis ◽  
Optimization Parameters ◽  
Synthesis Filter

AbstractThe paper presents a method of optimizing frequency characteristics of filter banks in terms of their implementation in digital CMOS technologies in nanoscale. Usability of such filters is demonstrated by frequency-interleaved (FI) analog-to-digital converters (ADC). An analysis filter present in these converters was designed in switched-current technique. However, due to huge technological pitch of standard digital CMOS process in nanoscale, its characteristics substantially deviate from the required ones. NANO-studio environment presented in the paper allows adjustment, with transistor channel sizes as optimization parameters. The same environment is used at designing a digital synthesis filter, whereas optimization parameters are input and output conductances, gyration transconductances and capacitances of a prototype circuit. Transition between analog s and digital z domains is done by means of bilinear transformation. Assuming a lossless gyrator-capacitor (gC) multiport network as a prototype circuit, both for analysis and synthesis filter banks in FI ADC, is an implementation of the strategy to design filters with low sensitivity to parameter changes. An additional advantage is designing the synthesis filter as stable infinite impulse response (IIR) instead of commonly used finite impulse response (FIR) filters. It provides several dozen-fold saving in the number of applied multipliers.. The analysis and synthesis filters in FI ADC are implemented as filter pairs. An additional example of three-filter bank demonstrates versatility of NANO-studio software.

Low Power Transposed Form 4-Tap Finite Impulse Response Filter using Power Efficient Multiply Accumulate Unit

2021 ◽  
pp. 2250016
Author(s):  
S. Rakesh ◽  
K. S. Vijula Grace
Keyword(s):  
Low Power ◽  
Impulse Response ◽  
Speech Processing ◽  
Video Processing ◽  
Filter Design ◽  
Finite Impulse Response ◽  
Low Power Design ◽  
Fir Filter ◽  
Efficient Design ◽  
Power Efficient

Finite impulse response (FIR) filters find wide application in signal processing applications on account of the stability and linear phase response of the filter. These digital filters are used in applications, like biomedical engineering, wireless communication, image processing, speech processing, digital audio and video processing. Low power design of FIR filter is one of the major constraints that researchers are trying hard to achieve. This paper presents the implementation of a novel power efficient design of a 4-tap 16-bit FIR filter using a modified Vedic multiplier (MVM) and a modified Han Carlson adder (MHCA). The units are coded using Verilog hardware description language and simulated using Xilinx Vivado Design Suite 2015.2. The filter is synthesized for the 7-series Artix field programmable gate array with xc7a100tcsg324-1 as the target device. The proposed filter design showed an improvement of a maximum of 57.44% and a minimum of 2.44% in the power consumption compared to the existing models.

Comparison of Infinite Impulse Response (IIR) and Finite Impulse Response (FIR) Filters in Cardiac Optical Mapping Records

2021 ◽  
pp. 207-224
Author(s):  
David Rivas-Lalaleo ◽  
Sergio Muñoz-Romero ◽  
Monica Huerta ◽  
Víctor Bautista-Naranjo ◽  
Jorge García-Quintanilla ◽  
...  
Keyword(s):  
Impulse Response ◽  
Optical Mapping ◽  
Finite Impulse Response ◽  
Infinite Impulse Response ◽  
Fir Filters

scholarly journals Design Impedance Mismatch Physical Unclonable Functions for IoT Security

2017 ◽  
Vol 2017 ◽  
pp. 1-8 ◽  
Author(s):  
Xiaomin Zheng ◽  
Yuejun Zhang ◽  
Jiaweng Zhang ◽  
Wenqi Hu
Keyword(s):  
Transmission Line ◽  
Printed Circuit Board ◽  
Signal Transmission ◽  
Characteristic Impedance ◽  
Circuit Board ◽  
Physical Factors ◽  
Current Feedback ◽  
Impedance Mismatch ◽  
Feedback Amplifier ◽  
Current Feedback Amplifier

We propose a new design, Physical Unclonable Function (PUF) scheme, for the Internet of Things (IoT), which has been suffering from multiple-level security threats. As more and more objects interconnect on IoT networks, the identity of each thing is very important. To authenticate each object, we design an impedance mismatch PUF, which exploits random physical factors of the transmission line to generate a security unique private key. The characteristic impedance of the transmission line and signal transmission theory of the printed circuit board (PCB) are also analyzed in detail. To improve the reliability, current feedback amplifier (CFA) method is applied on the PUF. Finally, the proposed scheme is implemented and tested. The measure results show that impedance mismatch PUF provides better unpredictability and randomness.

A K-band delay line based on parasitic reduced artificial left-handed transmission line

2013 ◽  
Vol 5 (6) ◽  
pp. 709-711
Author(s):  
Hyun-Seung Lee ◽  
Eun-Gyu Lee ◽  
Choul-Young Kim
Keyword(s):  
Transmission Line ◽  
Return Loss ◽  
Printed Circuit Board ◽  
Delay Line ◽  
Circuit Board ◽  
Printed Circuit ◽  
Left Handed ◽  
24 Ghz ◽  
K Band ◽  
Interdigital Capacitors

A K-band microstrip delay line based on parasitic reduced left-handed transmission line (LHTL) with interdigital capacitors and shunt inductors is demonstrated with the aid of printed circuit board technology. The proposed delay line has ground slots under the interdigital capacitors to reduce the parasitic capacitance. The time delay of the proposed LHTLs is approximately 2.6 times larger than that of the conventional LHTLs. The input return loss of the proposed LHTL at 24 GHz is −16.9 dB and less than −10 dB from 20.5 to 26.1 GHz.

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