D/A converter and reference voltage circuit including same

Details D/A converter and reference voltage circuit including same D/A converter and reference voltage circuit including same

2011-03-08

2011-03-08

Young, Brian (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C341S153000, C341S154000

Reexamination Certificate

active

07903012

ABSTRACT:
A variable resistor is connected to each terminal of (2^n)−1 resistors R connected in series. The variable resistors have resistances RH and RL determined according to a digital signal containing m lower bits LoB<m−1:0>.

REFERENCES:
patent: 5808576 (1998-09-01), Chloupek et al.
patent: 6617989 (2003-09-01), Deak
patent: 7602326 (2009-10-01), Lan
patent: 06-224767 (1994-08-01), None

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