Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion
Reexamination Certificate
2005-11-15
2005-11-15
Williams, Howard L. (Department: 2819)
Coded data generation or conversion
Analog to or from digital conversion
Digital to analog conversion
C327S536000, C323S315000
Reexamination Certificate
active
06965334
ABSTRACT:
A variable bandgap reference includes a fixed bandgap reference source and a supply voltage dependent voltage divider module. The fixed bandgap produces a fixed reference voltage. The supply voltage dependent voltage adjust module adjusts the fixed reference voltage to produce the reference voltage.
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patent: 2004/0027192 (2004-02-01), Fratti et al.
May Marcus W.
Willis John
Garlick Harrison & Markison LLP
Markison Timothy W.
Sigmatel, Inc.
Williams Howard L.
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