DocumentCode
1542866
Title
Comments on `A CMOS four-quadrant multiplier´: effects of threshold voltage
Author
Langlois, P.J.
Author_Institution
Kings Coll., London Univ., UK
Volume
25
Issue
6
fYear
1990
fDate
12/1/1990 12:00:00 AM
Firstpage
1595
Lastpage
1597
Abstract
For the original article see ibid., vol.SC-21, no.3, p.430-5 (1986). A CMOS four-quadrant multiplier based on 12 transistors was proposed by K. Bult and H. Wallinga in the above-titled paper using four floating-well transistors to keep VT constant. It is shown analytically by the commenter that the floating wells can be avoided with little penalty on distortion, but with reduction in signal output. A four-transistor multiplier is also analyzed
Keywords
CMOS integrated circuits; analogue circuits; linear integrated circuits; multiplying circuits; CMOS four-quadrant multiplier; analogue multiplier; distortion; floating-well transistors; four-transistor multiplier; signal output-reduction; threshold voltage; Bandwidth; CMOS technology; Equations; FETs; Frequency response; Linear approximation; Operational amplifiers; Silicon; Solid state circuits; Threshold voltage;
fLanguage
English
Journal_Title
Solid-State Circuits, IEEE Journal of
Publisher
ieee
ISSN
0018-9200
Type
jour
DOI
10.1109/4.62198
Filename
62198
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