Digital/analogue converter

Details Digital/analogue converter Digital/analogue converter

1985-03-25

1986-02-18

Miska, Vit W.

Communications: electrical

Audible indication

Percussion-type sound producer

H03K 1302

Patent

active

045715726

ABSTRACT:
A digital-to-analogue converter for use in a digitally-recorded-signal reproducing apparatus comprises a first constant current source, a switch for allowing the constant current of the first constant current source to flow therethrough for a period corresponding to the digital data, a second constant current source generating a current flowing in the direction opposite to that of the current generated by the first constant current source, a switch for allowing the current of the second constant current source to flow therethrough for a predetermined constant period, and an integrator, wherein the sum of the first and second constant currents is integrated by the integrator. The analogue signal outputted by the integrator has a center level in the vicinity of the ground potential level.

REFERENCES:
patent: 3918046 (1975-11-01), Rivers

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