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A CMOS elliptic low-pass switched capacitor ladder filter for video communication using bilinear implementation

Mohammad Moghaddam Tabrizi, Amir Amirabadi
2004 Proceedins of the 14th ACM Great Lakes symposium on VLSI - GLSVLSI '04  
Cutoff frequency of the filter is 3.6MHz and with bilinear implementation, we achieve 72dB SFDR, 62dB THD and stop band attenuation greater than -30dB.  ...  In the case of low OSR, using common methods reduces the SNDR and accuracy of the filter.  ...  Output of filter with zero input Figure 11 . 11 Complete schematic of fully differential switched capacitor ladder filter with bilinear implementation Table 1 1 F Cutoff 3.6 MHz Pass band ripple  ... 
doi:10.1145/988952.988997 dblp:conf/glvlsi/TabriziA04 fatcat:jisl4jc2xzh6dkflvdvw3a5sqi

The LUD approach to switched-capacitor filter design

Li Ping, J.I. Sewell
1987 IEEE Transactions on Circuits and Systems  
It can be shown that this kind of digital filter is highly insensitive to finite length of coefficients.  ...  Passive terminated LC ladder simulations are popular techniques in switched-capacitor filter (SCF) design, as they retain the low sensitivities of the prototype passive ladders.  ... 
doi:10.1109/tcs.1987.1086073 fatcat:i3e5awk5pbbork425rxu7rpfsi

Page 444 of Mathematical Reviews Vol. , Issue 82a [page]

1982 Mathematical Reviews  
This transformation procedure is applied to ladder filters to yield a new class of digital filters, related to the wave digital filter.  ...  Haley, Stephen B. 82a:94093 Exact analysis of inhomogeneous ladder networks having a tridiagonal interaction matrix. Internat. J. Circuit Theory Appl. 9 (1981), no. 1, 33-39.  ... 

Improving the Chamberlin Digital State Variable Filter [article]

Victor Lazzarini, Joseph Timoney
2022 arXiv   pre-print
An analysis of these leads to the development of an improvement, which attempts to better shape the filter spectrum. From these new transfer functions, a set of filter equations is developed.  ...  A digital implementation of this filter was put forward by Chamberlin, which has been deployed in both software and hardware forms.  ...  This leads into an analysis of the issues stemming from it.  ... 
arXiv:2111.05592v2 fatcat:42n2u5ne7rcbdlc7jao6b7pq6q

A Chronological List of References on Switched Capacitor Networks and Techniques for the Period 1981-1992

A. K. Singh
1994 Active and Passive Electronic Components  
In this communication, we present a compilation of 1357 references covering the period from May 1981-1992 (along with a supplementary list of 43 missing references for the period before May 1981).  ...  A chronological list of 440 references on switched capacitor (SC) networks from 1939 to May 1981 was published in this Journal by J. Vandewalle.  ...  Torechi, "Bilinear design of fully differential SC ladder filters," lEE Proc. G, vol. 132, no. 6, pp. 266-72, Dec. 1985. (A) [576] Y. and T.  ... 
doi:10.1155/1994/72107 fatcat:v2qydyiufzaopgldio2cqgirxy

The digital function filters – algorithms and applications

M. Siwczyński, A. Drwal, S. Żaba
2013 Bulletin of the Polish Academy of Sciences: Technical Sciences  
Some applications of the digital function filters for the analysis and synthesis of systems with lumped and distributed parameters (a long line, phase shifters, infinite ladder circuits) are given as well  ...  In this work, a set of filters, called the digital function filters, is proposed.  ...  Several applications of the digital function filters for the analysis and synthesis of systems with lumped and distributed parameters have been presented.  ... 
doi:10.2478/bpasts-2013-0036 fatcat:hprv2xr5ozcafohnr5ovumbhou

Optimizing differentiated discretization for audio circuits beyond driving point transfer functions

Francois G. Germain, Kurt James Werner
2017 2017 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA)  
To demonstrate the validity of our approach, we apply the optimization procedure for the response of a Hammond organ vibrato/chorus ladder filter, a 19-output, 36th order filter, where each output frequency  ...  One goal of Virtual Analog modeling of audio circuits is to produce digital models whose behavior matches analog prototypes as closely as possible.  ...  In the virtual analog context [4] , different formalisms for discretization are used, including wave digital filters [5] [6] [7] [8] and state-space models [9, 10] .  ... 
doi:10.1109/waspaa.2017.8170060 dblp:conf/waspaa/GermainW17 fatcat:mabj3ju7zbhbxgdqmeqaga453m

Reviews and New Releases: Digital Signal Processing of Signals: Theory and Practice

Maurice Bellanger
2000 Transactions on Emerging Telecommunications Technologies  
HR and FIR filtere 211 References 214 Exercises 214 CHAPTER 8 DIGITAL LADDER FILTERS 217 8.1 Properties of two-port circuits 217 8.2 Simulated ladder filtere 221 8.3 Switched capacitor  ...  CHAPTER 12 CIRCUITS AND FACTORS OF COMPLEXITY . . 323 Introduction xv CHAPTER 1 SIGNAL DIGITIZING -SAMPLING AND CODING 1 1.1 Fourier analysis 1 1.1.1 Fourier series expansion of a periodic function  ... 
doi:10.1002/ett.4460110614 fatcat:vwtpzomswvehtgqtbgbvkmp554

Z-domain continued fraction expansions for stable discrete systems polynomials

Y. Bistritz
1985 IEEE Transactions on Circuits and Systems  
filters).  ...  However, the closer analogy of the present formulation to the s-plane Cauer CFE's and Routh table suggest additional merits of this formulation to the design of digital networks (e.g., switched-capacitor  ...  Another rewarding outcome stems from the possibility to simulate the LC ladder structure and obtain corresponding low sensitivity digital ladders [5] .  ... 
doi:10.1109/tcs.1985.1085629 fatcat:g6gsze2e25gxlkdndmwnqwjv6u

Generalized Moog Ladder Filter: Part II–Explicit Nonlinear Model through a Novel Delay-Free Loop Implementation Method

Stefano D'Angelo, Vesa Valimaki
2014 IEEE/ACM Transactions on Audio Speech and Language Processing  
This digital version of the filter is shown to offer strong stability guarantees w.r.t. parameter variation, allows the extraction of different frequency response modes by simple mixing of individual ladder  ...  This technique is then applied to a generalized model of the Moog ladder filter, resulting in an implementation that outperforms its predecessors with only a modest computational load penalty.  ...  This technique was then applied to obtain a digital implementation of the generalized Moog ladder filter presented in [6] for any number of ladder stages.  ... 
doi:10.1109/taslp.2014.2352556 fatcat:ar6w35c3xzei3jvzqosbznhey4

Switched-current filter structure for synthesizing arbitrary characteristics based on follow-the-leader feedback configuration

Wenshan Zhao, Yigang He, Yichuang Sun
2015 Analog Integrated Circuits and Signal Processing  
The double-sampling fully-balanced SI bilinear integrator and current mirror are employed as the building cells in order to enhance overall performance and make circuit design more flexible.  ...  The third-order low-pass and band-pass filter are designed as the examples.  ...  Also, SI filter has been considered as an alternative to switched-capacitor (SC) filter in mixed signal systems, owing to the characteristic of compatibility with digital [10] [11] [12] [13] [14] [15  ... 
doi:10.1007/s10470-014-0477-8 fatcat:aziug2ph7vg5hdllpee4dyn3ei

A unified approach to the synthesis of the irrational immitance √(Z(s)) and the fractional-step delay operator z−12

S. Erfani, M. Ahmadi, V. Ramachandran, M.O. Ahmad
1986 Journal of the Franklin Institute  
As an obvious extension, a physical realization for the fractional-step delay z _ "* in a single-rate digital-filter structure is developed.  ...  This approach is applicable to both analog and digital implementations. The method is illustrated by physical realizations of J(L s), J( 1 /C s) and the irrational number Ja.  ...  Setting Z(s) = s, and applying the bilinear transformation (12), the resulting digital ladder simulation of ,,/s is as shown in Fig. 8 .  ... 
doi:10.1016/0016-0032(86)90068-2 fatcat:rtgijp5ugzcv7bo3w2ieqtbaoq

Exact synthesis of LDI and LDD ladder filters

E. Liu, L. Turner, L. Bruton
1984 IEEE Transactions on Circuits and Systems  
The exact design method for LDI ladder filters given in [Z] is further developed by introducing a set of closed-form design formulas for digital ah-pole Chebyshev transfer functions.  ...  Absrracr-The low sensitivity property of lossless discrete integrator (LDI) low-pass ladder filters is shown to be preserved in lossless discrete differentiator (LDD) high-pass ladder filters 111.  ...  Digital Chebyshev transfer functions designed by applying bilinear transformation to analog Chebyshev transfer functions possess a number of zeros [9], [lo] so they are not suitable for LDI ladder filter  ... 
doi:10.1109/tcs.1984.1085513 fatcat:p5jkaruflzh7vh42ii65jry2ny

Filter Design With Low Complexity Coefficients

JoËlle Skaf, Stephen P. Boyd
2008 IEEE Transactions on Signal Processing  
We introduce a heuristic for designing filters that have low complexity coefficients, as measured by the total number of nonzeros digits in the binary or canonic signed digit (CSD) representations of the  ...  filter coefficients, while still meeting a set of design specifications, such as limits on frequency response magnitude, phase, and group delay.  ...  IIR filter in lattice-ladder form: An IIR filter in lattice- ladder form, with lattice coefficients , , and ladder coefficients , , where , has the state-space form where is the input, is the  ... 
doi:10.1109/tsp.2008.919386 fatcat:h454hslorzegldle2eglpakbhy

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

Andrzej Handkiewicz, Mariusz Naumowicz
2021 Analog Integrated Circuits and Signal Processing  
Transition between analog s and digital z domains is done by means of bilinear transformation.  ...  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.  ...  Analysis filters are implemented in switched-current (SI) technique, while synthesis filters as digital ones with infinite impulse response (IIR).  ... 
doi:10.1007/s10470-021-01902-2 fatcat:ckvetckal5gozglgvqetb2tmhu
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