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IEICE TRANSACTIONS on Fundamentals

Low-Voltage, Low-Distortion and Rail-to-Rail CMOS Sample and Hold Circuit

Koichi TANNO, Kiminobu SATO, Hisashi TANAKA, Okihiko ISHIZUKA

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Summary :

In this letter, we propose a sample and hold circuit (S/H circuit) with the clock boost technique and the input signal tracking technique. The proposed circuit block generates the clock with the amplitude of VDD + vin, and the clock is used to control the MOS switch. By applying this circuit to a S/H circuit, we can deal with the rail-to-rail signal with maintaining low distortion. Furthermore, the hold error caused by the charge injection and the clock feedthrough can be also reduced by using the dummy switch. The Star-HSPICE simulation results are reported in this letter.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E88-A No.10 pp.2696-2698
Publication Date
2005/10/01
Publicized
Online ISSN
DOI
10.1093/ietfec/e88-a.10.2696
Type of Manuscript
Special Section LETTER (Special Section on Nonlinear Theory and its Applications)
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