A Quarter‐Square Multiplier Using a Segmented Parabolic Characteristic
作者:
Britton Chance,
Frederic C. Williams,
Chia‐Chih Yang,
John Busser,
Joseph Higgins,
期刊:
Review of Scientific Instruments
(AIP Available online 1951)
卷期:
Volume 22,
issue 9
页码: 683-688
ISSN:0034-6748
年代: 1951
DOI:10.1063/1.1746035
出版商: AIP
数据来源: AIP
摘要:
A circuit for multiplying two varying voltages based on the ``quarter‐square'' method has been developed. A segmented nonlinear element is used for squaring, and a time‐sharing scheme permits the use of a single squaring element instead of duplicate elements as in previous designs. The circuit has a time delay of less than 40 microseconds (0–67 percent) and has an accuracy of better than ±1 percent. The original circuit was designed to operate only in the first quadrant. Various methods for including the four quadrants are discussed.
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