Method for amending the effect of offset voltage variations from

Details Method for amending the effect of offset voltage variations from Method for amending the effect of offset voltage variations from

1992-10-30

1994-05-10

Young, Brian K.

Coded data generation or conversion

Converter compensation

341144, H03M 106

Patent

active

053111796

ABSTRACT:
The present invention relates to an offset voltage zeroing method of a D/A converter, with the aid of which oscillations of the output voltage of said D/A converter can be radically reduced. An output signal of the converter is carried to a first terminal of a capacitor (5). A second terminal of the capacitor is coupled to a reference voltage (V.sub.ref) with a controllable switch (6) as long as there are no pulses in the output of the converter. As a result, an amended output signal is obtained from the second terminal.

REFERENCES:
patent: 5027352 (1991-06-01), Goode
patent: 5101175 (1992-03-01), Vaisanen

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