CIRCUITTHEORY AND DESIGN - GBV · O ECCTD'78PROCEEDINGS Session A4 ACTIVEFILTERS Chairman: E....
Transcript of CIRCUITTHEORY AND DESIGN - GBV · O ECCTD'78PROCEEDINGS Session A4 ACTIVEFILTERS Chairman: E....
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G.S. MoschytzandJ. Neirynck (Editors)
CIRCUIT THEORYAND DESIGN
PROCEEDINGS OF THE 1978 EUROPEAN
CONFERENCE ON CIRCUIT THEORY AND DESIGN
UNIVERSITATSBIBLIOTHEKHANNOVER
TECHNISCHEINFORMATIONS8IBLIOTHEK
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6GEOR'GI ST-SAPHORIN
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CONTENTS
FOREWORD 27
INAUGURAL LECTURE
ON THE CONVERGENCE OF INFINITE RESISTANCE
LADDERS
V. Belevitch, MBLE Res. Lab., Brussels, Belgium 29
Session Al
ACTIVE NETWORK THEORY
Chairman: L.T. Bruton, University of Calgary,
Calgary, Canada
Al.l: "The Equivalence of Active-Filter
Structures"
A. Grabel, Northeastern University, Boston,
Mass, USA 47
Al .2: "Generation of Active RC-Circuits by
the Nullor Equivalency Concept"
R, Palomera-Garcia, EPFL, Lausanne,
Switzerland 53
A1.3: "Some Classes of Equivalent Transfor¬
mations of Active Ladder Networks"
A. Gchocki, S, Osowski, Warsaw TechnologicalUniversity, Warsaw, Poland 58
Al .4: "General Synthesis of Active Filters with
Identical Biquadratic Sections"
R.M. Biernacki, B. Styblinska, Warsaw Techno¬
logical University, Warsaw, Poland 63
A1.5: "Signal Flow Filters"
/. Haritantis, University of Patras, Patras, Greece. 68
A1.6: "Active R Network Realization for the
N-th Order Voltage Transfer Functions: Signal-Flow Graph Approach"C. Acar, T. Ozker, Technical University of
Istanbul, Istanbul, Turkey 73
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6 ECCTD'78 PROCEEDINGS
Session A2
NETWORK AND SYSTEM THEORY
Chairman: M. Biaiko, Gdansk Polytechnic, Gdansk, Poland
A2.1: "The General Impedance Leveling Process
Generating a Complete Class of Equivalent Lad¬
der Networks"
W. Ulbrich, B. Dasch, Technical University Munich,
Munich, West Germany 78
A2.2: "Short-Circuit Conductance Matrix Synthe¬sis: VCVS Gain Selection"
B.B. Stamenkovic, Institute of Nuclear Sciences,
Belgrade, Yugoslavia 83
A2.3: "A Frequency Domain Method to Find
the Initial Values in Active RLC Networks"
M. Koeksal, Middle East Technical University,
Gaziantep, Turkey 88
A2.4; "Sufficient Conditions for the Unique Sol¬
vability of Networks Containing Linear Memory-
less 2-ports"
A. Recski, Research Institute for Telecommuni¬
cation, Budapest, Hungary 93
A2.5: "Terminal Equations of Algebraic n-Ports
Obtained by Parallel Connecting n-Ports"
A.E Sen, Y. Tokad, Technical University
of Istanbul and Marmara Research Institute,
Istanbul, Turkey 98
A2.6: "An Algebra of Transfer Functions for
Distributed Linear Time-Invariant Systems"F.M. Collier, University of Namur, Namur,
Belgium;C.A. Desoer, University of California, Berkeley,CA, USA 103
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CONTENTS
Session A3
PASSIVE NETWORK THEORY
Chairman: M.M. Milic, University of Belgrade,
Belgrade, Yugoslavia
A3.1: "Parametric Representation of Brune
Functions"
A. Fettweis, University ofthe Ruhr, Bochum,
West Germany 106
A3.2: "An Additional Canonical Section for
LC One-Port Synthesis"Dao Manh Cuong, M. Hosier, EPFL, Lausanne,
Switzerland Ill
A3.3: "Equivalent RLC Networks on the
Basis of Hybrid Matrices"
W. Ulbrich, Technical University Munich,
Munich, West Germany 115
A3.4: "Abstract Minimal Cascade Synthesis
of Lossless 1-ports: One Step towards a
Complete Theory of Canonic Cascade Synthe¬
sis of Reactances"
Dao Manh Cuong, M. Hosier, EPFL, Lausanne,
Switzerland 120
A3.5: "Realization of Homogeneous Positive
Real Functions with Denominators Composed
of Linear Factors"
H. Ozaki, S.-I. Okabe, Osaka University, Osaka,
Japan 125
A3.6: "Algebraic Characterization of a Class
of Multivariable Positive-Real Functions"
M.S. Piekarski, Wroclaw Technical University,
Wroclaw, Poland 130
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O ECCTD'78 PROCEEDINGS
Session A4
ACTIVE FILTERS
Chairman: E. Lueder, University of Stuttgart, Stuttgart,West Germany
INVITEDLECTURE by L. T. Bruton,
University ofCalgary, Calgary, Canada, on
RC-Active Filters *
A4.1: "A New Two-Amplifier-Biquad for HighPo]e-Q-Realization"/. Mutschler, University of Stuttgart, Stuttgart,West Germany 135
A4.2: "Use of an OTA and an Operational
Amplifier in Active RC Filter Synthesis"T. Deliyannis, University of Patras, Patras,Greece 140
A4.3: "First Order Precorrection for Exact
Synthesis of Single Amplifier Biquads usingReal Amplifiers"T.J. Dhabhar, R.B. Datar, IF. Dhilla, Tata
Electric Companies, Bombay, India 145
A4.4: "Frequency Limitations of Active-R Fil¬
ters Using Operational Amplifiers"V. Kapustian, B.B. Bhattacharyya, M.N.S. Swamy,Concordia University, Montreal, Canada ,150
Paper not received at time of going to press
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CONTENTS 9
Session A5
ACTIVE AND CCD-FILTERS
Chairman: M.S. Ghausi, Wayne State University, Detroit,Mich, USA
A5.1: "Realization of a Bandpass Filter with
Floating Frequency-Dependent Negative Con¬
ductances Using Operational Transconductance
Amplifiers"A. Knob, J.-L. Zufferey, L. T. Huynh, EPFL,Lausanne, Switzerland 155
A5.2: "Efficient Optimization Scheme for a
Class of FDNR Prototype Networks"
R.E. Massara, University ofKeele, Staffordshire,England 160
A5.3: "Feasibility Study of Active Filter
Structures for Hybrid Thick Film Implemen¬tation" 165
P. Horn, R. Leuenberger, ETHZ, Zurich, Swit¬
zerland
A5.4: "High-Q High-Frequency RC-Active Fil¬
ters Using Distributed Thin Film Elements"
H. W. Renz, University of Stuttgart, Stuttgart,West Germany 170
A5.5: "Design of CCD Recursive Filters"
S. T. Ferguson, W. Steenaart, University of
Ottawa, Ottawa, Canada 175
A5.6: "Integrated CCD-Filters employing Novel
Techniques for On-Chip Tap Weights"A.A. Ibrahim, G.J. Hupe, T.G. Foxall, Bell Nor¬
thern Research, Ottawa, Canada *
Paper not received at time ofgoing to press
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10 ECCTD'78 PROCEEDINGS
Invited Session A6
INDUCTORLESS FILTERS IN COMMUNICATION
SYSTEMS I
Chairman: C.F. Kurth, Bell Telephone Laboratories, North
Andover, Mass, USA
A6.1: "Recent Trends in Filter Technologies in
Communication Systems"C.F. Kurth, Bell Telephone Laboratories, North
Andover, Mass, USA 181
A6.2: "Filters for Digital Transmission Systems:
Applications and Trends"
J.F. Pinel, Bell Northern Research,
Ottawa, Canada 183
A6.3: "Inductorless Filter Applications in Trans¬
mission Systems"K. Yakuwa, T. Kojima,M. Yanagi,K. Shirai,
Fujitsu, Kawasaki, Japan 191
A6.4: "Mechanical Filters and Their Counter¬
parts. - Hybrid and Monolithic Integrated Filters"
E. Gleissner, H. Schuessler, AEG - Telefunken,
Backnang, West Germany 198
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CONTENTS
Invited Session A7
INDUCTORLESS FILTERS IN COMMUNICATION
SYSTEMS H
Chairman: C.F. Kurth, Bell Telephone Laboratories, North
Andover, Mass, USA
A7.1: "Analog Active Filters: Some Design Con¬
siderations and Technological Aspects"J.A. Nossek, Siemens AG. Munich,
West Germany
A7.2; "Active Filters for Communication"
W. Saraga, Imperial College of Science and
Technology, London, England
A7.3: "Switched-Capacitor Filters for Telecom¬
munication Applications"PR. Gray,R.W. Broderson,D.A. Hodges,
D. Allstot, G. Jacobs, University of California,
Berkeley, USA
A7.4: "Digital Filter Structures for Transmission
Systems"M. Bellanger, TRT, Le Plessis Robinson, France.
.
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12 l-CCTD'78 PROCEEDINGS
Session A8
FILTER SENSITIVITY, STABILITY AND NOISE
Chairman: E. Zeheb, Israel Institute of Technology, Haifa,
Israel
A8.1: "Equivalent Active Networks with Mini¬
mal Sensitivity"F.M. El-Turky, J. Vlach, University of Waterloo,
Waterloo, Canada 246
A8.2: "Noise Parameters with Sensitivities for
High Frequency Networks Containing Transis¬
tors and Lossy Transmission Lines"
P. Stangerup, Danish Research Center for AppliedElectronics, Harsholm, Denmark 251
A8.3: "Noise and Sensitivity Performance of
Complementary and Dual Second-Order Active
Filter Building Blocks"
HJ. Baechler, W. Guggenbuehl, ETHZ, Zurich,Switzerland 256
A8.4: "On the Two-Integrator-Loop Active RC
Biquads"A. Heszberger, E. Simonyi, Research Institute
for Telecommunications, Budapest, Hungary. . .261
A8.5: "On a Large- and Small - Change Sensiti¬
vity in Biquadratic Active Filters with One Ope¬rational Amplifier"J.T. Ogrodzki,M.A. Styblinski, WarsawPoly-
technic, Warsaw, Poland 266
A8.6: "Minimizing the Coefficient Sensitivity of
Sampled Data Filters"
E. Lueder, University of Stuttgart, Stuttgart,West Germany 271
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CONTENTS 13
Session Bl
TIME-VARYING AND STOCHASTIC NETWORKS
Chairman: A. Csurgay, Research Institute for Telecom¬
munications, Budapest, Hungary
Bl.l: "On the Theory of Approximation of
Positive Definite Sequences in the Time Domain"
P. Dewilde, Delft University of Technology,Delft, The Netherlands 277
B1.2: "A Numerical Calculus for ConstructingApproximating Covariance Prediction ModellingFilters in the Time Domain"
E. Deprettere, Delft University of Technology,
Delft, The Netherlands 283
B1.3: "An Algorithm for the Realization of
Time-Varying Linear Sequential Circuits from
the Given Impulse Response Matrix over GF(2)"A.K. Kamal, H. Singh, J.S. Bedi, University
of Roorkee, Roorkee, India 289
B1.4: "Determination of the State Transition
Matrix of a Class of Linear Time-VaryingSystems"A. Dervi$oglu,I.C. Goknar, Technical
University of Istanbul, Istanbul, Turkey 295
Bl .5: "On Transposition of Linear Time-
Varying Discrete-Time Networks and its
Application Multirate Digital Systems"T.A.C.M. Clausen, W.F.G. Mecklenbrduker,
Philips Research Laboratories, Eindhoven,
The Netherlands 300
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14 ECCTD'78 PROCEEDINGS
Session B2
DIGITAL FILTERS I
Chairman: A. Fettweis, University of the Ruhr, Bochum,West Germany
B2.1: "An Analytic Design for FIR Filters"
J.O. Scanlan, H. Baher, University College,
Dublin, Ireland 305
B2.2: "Linear Transformation of Digital Filters"
E. Lueder, K. Haug, University of Stuttgart,
Stuttgart, West Germany 310
B2.3: "On the Use of Modified Petri Nets for
Multiprocessor Realizations of Digital Filters"
R. Nouta, 0. Simula, Delft University of Tech¬
nology, Delft, The Netherlands 315
B2.4: "Some Considerations on Recursive Digi¬tal Filter Structures with Low Sensitivity"R. Boite, Polytechnic Faculty of Mons, Mons,
Belgium 320
B2.5: "Wave Digital Filters with Frequency
Dependent Normalization Port Resistances"
E Tzanettis, A. G. Constantinides, Imperial
College of Science and Technology, London,
England 325
B2.6: "Reduction of Coefficient Word Lengthfor FIR Linear Phase Digital Filters"
F. Grenez, Free University of Brussels, Brussels,
Belgium 330
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CONTENTS
Session B3
DIGITAL FILTERS II
Chairman: Y. Genin, MBLE, Brussels, Belgium
B3.1: "Design of Low Sensitivity and Complexi¬ty Digital Filter Structures"
A.M. Ali, A. G. Constantinides, Imperial Collegeof Science and Technology, London, England . . 335
B3.2: "The Suppression of Slope Overload
Cycles in Digital and Hybrid Filters Realized
with Delta Modulation"
C. Thoeny, ETHZ, Zurich, Switzerland 340
B3.3: "Circularly Symmetric 2-D Recursive
Digital Filters"
K.S. Thyagarajan, Instituto Nacional de Astro-
fisica, Optica y Electronica.Tonantzintla,Mexico 345
B3.4: "A State-Space Representation and Error
Analysis" for 2-D Discrete SystemsN.J. Theodorou ,R.A. King, Imperial College of
Science and Technology, London, England ....350
B3.5: "A Weighted /p-Design Technique for Two-
Dimensional Recursive Digital Filters"
J.H. Lodge, MM. Fahmy, Queens University,Kingston, Canada 355
B3.6: "Computer Realization of Two-Dimen¬
sional Wave Digital Filters"
P. Lennarz, L. Hofmann, University of the Ruhr,Bochum, West Germany 360
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16 ECCTD'78 PROCEEDINGS
Invited Session B4
TWO-DIMENSIONAL DIGITAL FILTERING I
Chairman: S.K. Mitra, University of California, Santa Barbara,
CA, USA
B4.1: "Two-Dimensional Digital Filters
- An Overview"
S.K. Mitra, University of California, Santa Barbara,
CA, USA *
B4.2: "A Criterion for Two-Variable Positivity and
Boundedness"
Ph. Delsarte, Y. Genin, Y. Kamp, MBLE Research
Laboratory, Brussels, Belgium 365
B4.3: "Stabilization of 2-D Recursive Filters"
J.K. Aggarwal, H. Chang, University of Texas,
Austin, Texas, USA *
B4.4: "Structural Properties of State-Space Repre¬sentation for Two-Dimensional Filters"
E. Fomasini, G. Marchesini, University of Padua,
Padua, Italy 371
B4.5: "Realization of Two-Dimensional Systems"J.H. McClellan, D.S.K. Chan, MIT, Cambridge,
Mass,USA 381
*Paper not received at time of going to press
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ECCTD'78 PROCEEDINGS 17
Invited Session B5
TWO-DIMENSIONAL DIGITAL FILTERING II
Chairman: S.K. Mitra, University of California, Santa Barbara,
CA, USA
B5.1: "Design and Structural Considerations for
Two-Dimensional Digital Filters"
A.G. Constantinides, Imperial College of Science
and Technology, London, England : . .
*
B5.2: "Some 2-D Digital Filters with Applica¬
tion to Image Processing"
V. Cappellini,M. Bemabb,P.L. Emiliani,,
University of Florence, Florence, Italy 389
B5.3: "A Digital Filter Approach for the Nume¬
rical Solution of Partial Differential Equations"P. Steffen, University of Erlangen-Nuernberg,
Erlangen, West Germany 396
B5.4: "Some Techniques for Digital Deconvo-
lution of Positive Constrained Multi-Dimensio¬
nal Sequences"R.M. Merserau, R.W. Schafer, Georgia Institute of
Technology, Atlanta, GA, USA 404
*Paper not received at time of going to press
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18 ECCTD'78 PROCEEDINGS
Session B8
NONLINEAR CIRCUITS
Chairman: L. 0. Chua, University of California, Berkeley,
CA, USA
B8.1: "Formulation of New Equations from
Scalar Generating Functions for Nonlinear RLC
Networks with Memristors"
MM. Milic,L. Novak, University of Belgrade,Belgrade, Yugoslavia 412
B8.2: "Derivation of Second Order SensitivityCoefficients of Nonlinear Networks"
G.S, Reschka, Silesian Technical University,Gliwice, Poland 417
B8.3: "Function Elimination Filters Matched
to the N-Order Exponential Signal"E. Plotkin, University of the Negev, Beer-Sheva,Israel 422
B8.4: "Computation of Bounds on Solution To¬
lerances Resulting from Element Tolerances in
Nonlinear Resistive Network"
M.E. Zaghloul, PR. Bryant, K. Singhal, Univer¬
sity of Waterloo, Waterloo, Canada 427
B8.5: "Computational Technique for the SteadyState Analysis of Large Nonlinear Circuits with
Periodic Inputs"F.S. Fattouh, N.C. Rumin, McGill University,Montreal, Canada 432
B8.6: "Analysis of the Jump Phenomenon in
Gyrators"
M. Biatko, Z.P. Tomaszewski, Technical
University of Gdansk, Gdansk, Poland 437
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CONTENTS
Session CI
MODELLING
Chairman: P.P. Civalleri, Istituto Elettrotecnico Nazionale,
Torino, Italy
Cl.l: "Unified Circuit Modelling and Analysis
for Large Systems"A.E. Ruehli, N.B. Rabbat, H. Y. Hsieh, IBM, East
Fishkill and Yorktown Heights, N.Y, USA.... 443
CI.2: "New Macromodelling Approaches for
the Simulation of Large Scale Integrated Cir¬
cuits"
M. Glesner, University of the Saarland,
Saarbrticken, West Germany 448
C1.3: "Computer-Aided MOSFET Inverter
Circuit Analysis Using NormalizedVariables"
J.A.P. Hoogervorst, J.M. Koopmans, T. Poorter,
A.F. Schwarz, Delft University of Technology,
Delft, The Netherlands 453
CI.4: "A Simplified Equivalent Network for
Macromodelling FET Operational Amplifiers"H.L. Zapf, Technical University Munich, Munich,
West Germany 458
CI.5: "Approximate Circuit Modelling of Micro-
strip Dispersion: Coupled TEM-TE Line Repre¬
sentation of Finite Microstrip Sections"
L. Bdlint, Research Institute for Telecommuni¬
cations, Budapest, Hungary 463
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20 ECCTD'78 PROCEEDINGS
Session C2
COMMUNICATION CIRCUITS
Chairman: P. Leiithold, ETHZ, Zurich, Switzerland
C2.1: "A New Approach to An A-Law PCM
Encoder"
W. Winkelnkemper, H.-L. Fiedler, Universityof the Ruhr, Bochum, West Germany 468
C2.2: "Switching System Fault Location UsingOn-Line Data"
J.J. Narraway, KM. So, University of
New Brunswick, Fredericton, NB, Canada 473
C2.3: "Logic Design of Multiple-Valued Swit¬
ching Circuits Using Modulo Adders"
C. Moraga, University of Dortmund, Dort¬
mund, West Germany 478
C2.4: "A Simple Analysis Method for Linear
Systems Consisting of Time-Invariant Circuits
and Periodic Carrier Actuated Modulators"
W. Saraga, B. Nowrouzian, Imperial College of
Science and Technology, London, England ....483
C2.5: "Orthonormal Two-Port Realization"
L.S. Czarnecki, Technical University,
Gliwice, Poland 488
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CONTENTS 21
Session C4
TOPOLOGY
Chairman: N. Balabanian, IAP/INELEC, Boumerdes, Algeria
C4.1: "Analysis of the Connectivity Structure
of Network Graphs"M. van der Woude, Eindhoven University of Tech¬
nology, Eindhoven, The Netherlands 493
C4.2: "An Algorithm for Calculating Path Dis¬
tances in a Weighted Graph and Its Application"/. Shirakawa, S. Ishida, S. Kageura, Kinki
Nippon Railway, Nara, and Osaka University,Osaka, Japan 498
C4.3: "On the Realization of Terminal CapacityMatrix by the Given Network"
AM. Koturovic, R.B. Vukanovic, Institute of
Nuclear Sciences, Belgrade, Yugoslavia 503
C4.4: "Investigating Solvability and Complexi¬
ty of Linear Active Networks by Means of Ma-
troides"
B. Petersen, Technical University of Denmark,
Lyngby, Denmark 508
C4.5: "A Planarization Graph Model for the
Computer Aided Topological Design of HybridCircuit Layouts"R. van der Leeden, Technical University Munich,
Munich, West Germany 513
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22 ECCTD'78 PROCEEDINGS
Session C5
SPECIAL CIRCUITS
Chairman: J.O. Scanlan, University College, Dublin, Ireland
C5.1: "Structure Independent Synthesis of AnalogFilters with Digitally Tunable Parameters"
H.D. Ferling, Technical University Darmstadt,
Darmstadt, West Germany 518
C5.2: "Digitally Controlled Active Filter
Modules"
K. Engstrom, A. Hedevdrn, K. Mossberg,
Royal Institute of Technology, Stockholm,Sweden 523
C5.3: "ANewMTI Structure with Inherent
Analog to Digital Conversion"R. Fehr, Hoffmann-La Roche, Basel,Switzerland 528
C5.4: "Precise Generation of Prescribed
Waveforms"
B.Z. Kaplan, University of the Negev,Beersheva, Israel 533
C5.5: "Feedback Models of VCO Controlled
by One Variable Network Element"
J. Roszkiewicz, R. Woityna, Gdansk
Technical University, Gdansk, Poland 538
C5.6: "Effects of Second Harmonic Termin¬
ations on the performances of a Class-C UHF
Transistor Power Amplifier"H.Q. Vu, S.R. Mazumder, F.E. Gardiol,N. Volpicella, EPFL, Lausanne, Switzerland . . . 543
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CONTENTS 23
Session C6
COMPUTER-AIDED DESIGN I
Chairman: R. Spence, Imperial College of Science and
Technology, London, England
C6.1: "Wave Concepts in Digital Simulation of
Continuous-Time Circuits and Systems Employ¬
ing Implicit Multistep Integration Formulae"
L. Kittel, TE KA DE, Felten and Guilleaume,
Nurnberg, West Germany 548
C6.2: "Two-Graph Tableau and Mixed Nodal
Tableau Formulation on Networks with Ideal
Elements"
K. Singhal.J. Vlach, University of Waterloo,
Waterloo, Canada 553
C6.3: "Improved Regionalization for Statisti¬
cal Network Analysis"K. Gopal, K. Singhal, J. Vlach, University of
Waterloo, Waterloo, Canada; J.F. Pinel, Bell
Northern Research, Ottawa, Ontario, Canadai. . . 558
C6.4: "Time-Domain Analysis of Piecewise-
Linear Networks"
/. Hajj, St. Skelboe, University of Waterloo,
Waterloo, Canada 563
C6.5: "Computer-Aided Analysis of Pulse
Signal Propagation in Digital Systems"
V. Dvofdk, Technical University of Brno,
Brno, Czechoslovakia 568
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24 ECCTD'78 PROCEEDINGS
Session C7
COMPUTER-AIDED DESIGN II
Chairman: J.K. Skwirzynski, Marconi Company, Chelms¬
ford, England
C7.1: "An Integrated Approach to Manufactu¬
ring Yield Estimation and Design Centering"
K.S. Tahim, R. Spence, Imperial College of
Science and Technology, London, England ....573
C7.2: "Statistical Method for Tolerance Assign¬
ment in Electrical Networks"
K. Gopal, K. Singhal, J. Vlach, University of Wa¬
terloo, Waterloo, Canada 578
C7.3: "An Algorithm for Design Centering,
Tolerancing and Tuning (DCTT)"E. Polak, A. Sangiovanni-Vincentelli, University
of California, Berkeley, CA, USA 582
C7.4: "A Uniform Approach to Computer-AidedAnalysis of Large Scale Electronic Networks and
Their Subnetworks"
A.I. Petrenko, Kiev Polytechnic Institute, Kiev,
USSR 587
C7.5: "A Variance Minimization Approach to
the Choice of Component Grades in Linear
Systems"R Krishnan Iyer, T. Downs, Norwegian Institute
of Technology, Trondheim Norwayi 592
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CONTENTS 25
Session C8
FILTER APPROXIMATION
Chairman: J.D. Rhodes, University of Leeds, Leeds,
England
C8.1: "Design Techniques for Digital and
Analog All-Pass Circuits"
R. Gregorian, G.C. Temes, University of Cali¬
fornia, Los Angeles, CA, USA 597
C8.2: "A Direct Approximation Technique for
Designing Digital Equalizors with Simultaneous
Specification of Magnitude and Phase"
J.B. Marifio-Acebal, A. Mayer-Pujadas,A.R. Figueiras-Vidal, E.T.S.I. Telecommunica¬
tions, Barcelona, Spain 602
C8.3: "Data Transmission Filters Having an
Equiripple Stopband"L.F. Lind, S.E. Nader, University of Essex,
Colchester, England 607
C8.4: "Lowpass Filter Maximally Flat Beyondthe Origin with the Chebyschev Stopband"V. Jovanovic, University of Belgrade, Belgrade,
Yugoslavia 612
C8.5: "Effective Loss Design of Filters with
Two Pass Bands"
J.E. Colin, SAT, Paris, France 617
AUTHOR INDEX 623