Analog multiplying type of digital/analog converter circuit

Details Analog multiplying type of digital/analog converter circuit Analog multiplying type of digital/analog converter circuit

1994-10-12

1997-05-20

Hoff, Marc S.

Coded data generation or conversion

Analog to or from digital conversion

With particular solid state devices

341144, H03M 166

Patent

active

056316470

ABSTRACT:
An improved digital/analog converter circuit of the analog multiplying type for providing an adjustment for a DC voltage offset. The digital/analog converter circuit generally comprises a code converter, an analog multiplying current source and a bridge output circuit. The code converter converts the values of the tone data into 2's complement numbers. The numbers are then sent into an analog multiplying current source where positive and negative signals are produced to control the current path of a bridge-type output.

REFERENCES:
patent: 4583076 (1986-04-01), Luschnig
patent: 4587477 (1986-05-01), Hornak et al.
patent: 5218364 (1993-06-01), Kumazawa et al.
patent: 5329062 (1994-07-01), Kaneko
patent: 5369406 (1994-11-01), Hughes
patent: 5394146 (1995-02-01), Arimoto

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