Charles J. Alajajian

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3ranked-venue papers

1as first author

0since 2021 · last 1987

—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Applied, interdisciplinary, general and emerging computing · 3 · 1 first-author

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer architecture, parallel and distributed computing, and storage systems

1 paper

Integrated circuit design · 100%

Topics — the 2 heaviest of 2, each with the papers that count most for it

Topic	Weight	Papers	Last	Evidence papers
Integrated circuit design › analog and mixed-signal circuits analog circuit design	0.0	1	1987	An algorithm for obtaining coefficients of bandpass functions from low-pass functions · Proc. IEEE 1987
Integrated circuit design › analog and mixed-signal circuits filter design	0.0	1	1987	An algorithm for obtaining coefficients of bandpass functions from low-pass functions · Proc. IEEE 1987

Methods — techniques the papers use, named apart from their topics

binomial theorem · 0.0

Year	Publication	Venue	Position
1987	An algorithm for obtaining coefficients of bandpass functions from low-pass functions abstract An algorithm based on the Binomial Theorem is presented for calculating the coefficients of a continuous-time bandpass transfer function, obtained from a known low-pass prototype. The method is more general than a recently described method, provides more accurate results, and is insensitive to the choice of scaling factor. Stephen A. Dyer, Charles J. Alajajian	Proc. IEEE	2
1987	Comment on "Obtaining bandpass filter coefficients from low-pass prototypes" abstract It is pointed out that, contrary to the claim made in the above letter [1], a closed-form expression for the bandpass coefficients can easily be derived, given the low-pass prototype transfer function and the lowpass-to-bandpass transformation. There appears to be, therefore, no reason to employ a numerical routine with its inherent inaccuracies as was suggested in the letter referenced above [1]. Rolf Schaumann, Charles J. Alajajian	Proc. IEEE	2
1986	Obtaining bandpass filter coefficients from low-pass prototypes abstract In this letter a method is given for calculating the transfer function coefficients of an analog bandpass filter stemming from a known, all-pole low-pass prototype, which is independent of the filter order. By posing the problem as an interpolation problem and choosing uniformly spaced interpolating points On the unit circle, the coefficients are computed efficiently and accurately via the discrete Fourier transfrom. Charles J. Alajajian	Proc. IEEE	1