Differential switch, D/A converter, semiconductor integrated...

Details Differential switch, D/A converter, semiconductor integrated... Differential switch, D/A converter, semiconductor integrated...

2011-07-05

2011-07-05

Lauture, Joseph (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

With particular solid state devices

C341S144000

Reexamination Certificate

active

07973687

ABSTRACT:
A differential switch circuit includes a first differential switch basic circuit (1) and a second differential switch basic circuit (2). The first differential switch basic circuit (1) has a first common source node (N1) shared by a plurality of transistors (TP121and TP122), and the second differential switch basic circuit (2) has a second common source node (N2) shared by a plurality of transistors (TP131and TP132). The first common source node (N1) and the second common source node (N2) are alternately reset to a predetermined voltage in each clock cycle.

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S. Park et al., “Digital-to-Analog Converter Based on Differential-Quad Switching,” IEEE Journal of Solid-State Circuits, vol. 37, No. 10, 2002, pp. 1335-1338.
Douglas Mercer, “A Study of Error Sources in Current Steering Digital-to-Analog Converters,” IEEE 2004 Custom Integrated Circuits Conference pp. 185-190.

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