Boosted sampling circuit and relative method of driving

Details Boosted sampling circuit and relative method of driving Boosted sampling circuit and relative method of driving

2005-12-20

2005-12-20

Ton, My-Trang Nu (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With bootstrap circuit

C327S091000

Reexamination Certificate

active

06977544

ABSTRACT:
A boosted sampling circuit that is relatively straightforward to form is provided, as well as a corresponding method for driving the same. The input voltage applied to the boosted sampling circuit may be equal to a supply voltage or may be greater than a maximum voltage level allowed by the prior art circuits. This result is attained by connecting the control nodes of a plurality of switches to the input node while a first control phase is active, and by connecting a current terminal of another switch to a biasing voltage for protecting it from breakdowns.

REFERENCES:
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patent: 1122741 (2001-08-01), None
patent: 1168619 (2002-01-01), None
Fayomi et al., low-Voltage CMOS Analog Switch for High Precision Sample-and-Hold Circuit, Proceedings of the 43rdIEEE Midwest Symposium on Circuits and Systems , Proceedings of the 43rdIEEE Midwest Symposium on Circuits and Systems, Lansing, MI, USA, Aug. 8-11, 2000, Piscataway, NJ, USA, pp. 710-713, vol. 2 XP002265037.
Sonkusale et al., A Low Distortion MOS Sampling Circuit, 2002 IEEE International Sympoisum on Circuits and Systems, Proceedings, 2002 IEEE International Symposium on Circuits and Systems, Phoenix-Scottsdale, AZ, USA, May 26-29, 2002, Piscataway, NJ, USA, IEEE, pp. V-585-V-588, vol. 5, XP002265038.

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