Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion
Reexamination Certificate
2008-12-19
2010-12-14
Nguyen, Khai M (Department: 2819)
Coded data generation or conversion
Analog to or from digital conversion
Digital to analog conversion
C341S135000, C341S145000
Reexamination Certificate
active
07852250
ABSTRACT:
This invention discloses a digital to analog converter (DAC) for converting a digital signal with a predetermined number of bits to a corresponding analog signal, the DAC comprises a first current source element having a first control signal, the first control signal controlling the conduction current provided by the first current source element, and a second current source element having a second control signal, the second control signal controlling the conduction current provided by the second current source element, wherein the first and the second control signals have different voltages during operation of the DAC.
REFERENCES:
patent: 7068201 (2006-06-01), Chou
Chou Wen-Shen
Chuang Mei-Chen
K&L Gates LLP
Nguyen Khai M
Taiwan Semiconductor Manufacturing Co. Ltd.
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