Transfer-Function Realizability of Multiport RLC Transformerless Grounded Networks

Fialkow, Aaron; Hazony, D.; Kodali, P.; Zeren, T.

doi:10.1109/tct.1964.1082236

Cited by 12 publications

(14 citation statements)

References 4 publications

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“…2.2.2, is an RC t-matrix. To do this, it is shown that its elements, as specified in (2.2.19a, b), have the property that each t,+q, and 0 t+q, are RC R-functions [4]. First Again the poles of the row sum are lust the zeros of Qq which were made negative real and distinct.…”

Section: ----mentioning

confidence: 99%

“…740 D. HAZONY AND R. D. JOSEPH tablished the necessary and sufficient conditions for the realization of scalar transfer functions in terms of transformerless RLC (resistors, inductors, and capacitors) and RC two-port networks. Their work was extended by Fialkow, Hazony, Kodali, and Zeren [3], [4], [5] to include the voltage transfer matrix of multiport networks. In this paper the passivity constraint is relaxed by admitting the grounded unity-gain amplifier (GUGA).…”

Section: Introductionmentioning

confidence: 99%

“…Thus, the procedure requires that the function be factored into first and second degree terms and, of course, results in the use of many amplifiers. These schemes, using the moderate gain amplifier, suffer from the lck of a clear-cut synthesis procedure; they rely on the analysis of various RC structures [14], [ [1], [2], [3], [4].…”

Section: Introductionmentioning

confidence: 99%

“…Downloaded The co.cept of the t-matrix and the RC t-matrix was introduced by Fialkow, et al [4]. Note that the t-mtrix and the RC tmatrix are each a subclass of the r-matrix.…”

Section: Introductionmentioning

confidence: 99%

“…Since Since T is the volttge transfer matrix of an RLC network it is known to be a t-matrix [4] and thus also an r-matrix. In the remainder of the proof only the fact that T is an r-matrix will be used.…”

Section: Introductionmentioning

confidence: 99%

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Transfer Matrix Synthesis with Actvie $RC$ Networks

Hazony¹,

Joseph²

1966

SIAM J. Appl. Math.

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Necessary conditions are established for the voltage transfer matrix of a transformerless grounded network composed of ideal resistors, inductors, capacitors (RLC), and appropriately connected grounded unity-gain amplifiers. These conditions re also shown to be sufficient for realization as the voltage transfer matrix of a transformerless grounded network containing RC and not more than one grounded unitygain amplifier per matrix row.Using the above results, a large class of scalar transfer functions, including those realizable by transformerless nongrounded RLC networks, is found to be realizable by u transformerless two-port network composed of RC and not more than two grounded unity-gain amplifiers. A grounded realizatio is also possible i which RC, om phase-splitter, and not more thn one grounded unity-gain amplifier are required.

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Section: ----mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…Downloaded The co.cept of the t-matrix and the RC t-matrix was introduced by Fialkow, et al [4]. Note that the t-mtrix and the RC tmatrix are each a subclass of the r-matrix.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Transfer Matrix Synthesis with Actvie $RC$ Networks

Hazony¹,

Joseph²

1966

SIAM J. Appl. Math.

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Transfer matrix realization using RC:GIC Networks

Mitra

1975

Circuit Theory & Apps

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SUM MARYA general synthesis procedure for realizing any stable voltage transfer matrix using current-conversion type generalized impedance converter (G1C)s is outlined. Each row of the transfer matrix is realized separately as an M-input, single-output grounded RC :GIC network where M is the number of columns in the transfer matrix. The realization procedure is illustrated by an example. Using this approach. a second-order filter has been obtained capable of realizing simultaneously highpass, band-pass and low-pass transfer functions and using fewer passive components and operational amplifiers than the popular state-variable realizations. The various sensitivities of the second-order realizations are low and comparable to the state-variable realizations. A similar method can be developed for current transfer matrix invoking duality and thus using the voltage-conversion type GICs.

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U.S.A. National Assembly, Committee Report, Fifteenth URSI General Munich, September 1966: Commission 6, Radio Waves and Transmission OF Information; Progress. in Radio Waves and Transmission of

Darlington¹,

Felsen²,

Siegel³

et al. 1966

Radio Science

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Many important papers have appeared; only a few can be given here. In cylindrical antenna theory, accurate current and field distributions were found for isolated [King and Wu, 1965] and coupled [King and Sandler, 1964] elements. A fine summary of broadband antennas by Jordan was referenced in recent studies of log‐spiral antennas [Dyson, 1965]. New structures included the wire‐grid HF Luneburg lens [Sharp, 1965] and double‐helix antennas [Ehrenspeck, 1965]. Advances in large quasi‐optical antennas included an analysis of focal fields and line source feeds for spherical reflectors [Schell, 1963]; analysis of reflector‐subreflector systems such as Cassegrain and Gregorian types [Morgan, 1964]; and a book treating aperture antennas and including many references [Hansen, 1964]. Progress in optical scanning systems included geodesic Luneburg lenses [Ruddock, Ryan, and Walter, 1964], bootlace lenses [Kales and Brown 1965], and parallel‐plate scanners [Rotman and Turner, 1963]. Electronic scanning of phased arrays received major attention. Mutual impedance changes With scan angles were analyzed by the impedance crater concept [Rhodes, 1964]; also techniques for compensating for these changes were developed [Hannan, Lerner, and Knittel, 1965). Important progress has been made in digital phase shifters. The diode type [White, 1965] has recently been supplemented by latching types employing ferrite cores [Whicker and Jones, 1965]. Adaptive array systems were covered in a special issue [IEEE, 1964]; of particular interest are the Gruenberg paper on retrodirective systems and the Skolnik and King paper on selfsteering arrays. The annular slot array has been developed for monopulse [Kelly and Goebels, 1964]. Nonuniformly spaced array sidelobes have been bounded by a probabilistic approach [Lo, 1964]. Finally, the important but long unsolved problem of an optimum directivity source with supergain ratio constraint was formally solved [Rhodes, 1963].

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Transfer-Function Realizability of Multiport RLC Transformerless Grounded Networks

Cited by 12 publications

References 4 publications

Transfer Matrix Synthesis with Actvie $RC$ Networks

Transfer Matrix Synthesis with Actvie $RC$ Networks

Transfer matrix realization using RC:GIC Networks

U.S.A. National Assembly, Committee Report, Fifteenth URSI General Munich, September 1966: Commission 6, Radio Waves and Transmission OF Information; Progress. in Radio Waves and Transmission of

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