Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Reexamination Certificate
2011-08-23
2011-08-23
Young, Brian (Department: 2819)
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
C341S143000
Reexamination Certificate
active
08004444
ABSTRACT:
A chopping transconductor includes an transconductor input stage coupled with input signals of the chopping transconductor; a chopping switch coupled with an output of the transconductor input stage, the chopping switch having a switch output; and a cascode transistor, wherein the switch output is coupled to an output of the chopping transconductor through the cascode transistor. The chopping transconductor may be used in an analog-to-digital converter to isolate chopping switches from junctions with quantization noise.
REFERENCES:
patent: 7310016 (2007-12-01), Chuang
patent: 7385443 (2008-06-01), Denison
Bassuk Lawrence J.
Brady W. James
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
Young Brian
LandOfFree
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