Bulk-compensated sampling network for wide range of signals

Details Bulk-compensated sampling network for wide range of signals Bulk-compensated sampling network for wide range of signals

2007-03-06

2007-03-06

Young, Brian (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S161000

Reexamination Certificate

active

11238931

ABSTRACT:
A sampling network comprises analog comparator for comparing an analog voltage to a plurality of successive voltage inputs. A plurality of capacitors are connected in parallel with a first end of each of the capacitors coupled to the first input of the analog comparator to provide one of the successive voltage inputs. A first plurality of switches includes one switch associated with each of the plurality of capacitors to connect an input voltage to the second end of the capacitor. A bulk of a switch of the first plurality of switches is connected to the input voltage while the input voltage is being sampled and to a power supply voltage while the reference voltage is being sampled. A second plurality of switches is in parallel with the first plurality of switches and further includes one switch connected to each of the plurality of capacitors. The second plurality of switches connect a reference voltage to a second end of the capacitor. A bulk of a switch of the second plurality of switches is connected to the reference voltage while the reference voltage is being sampled and to the power supply voltage while the input voltage is being sampled.

REFERENCES:
patent: 5247299 (1993-09-01), Lim et al.
patent: 6486806 (2002-11-01), Munoz et al.
patent: 7015841 (2006-03-01), Yoshida et al.

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