Digital to analog converter

Details Digital to analog converter Digital to analog converter

1981-09-03

1983-10-25

Miller, C. D.

Communications: electrical

Audible indication

Percussion-type sound producer

340347CC, H03K 1302

Patent

active

044122080

ABSTRACT:
A digital to analog converter comprising a first digital to analog converter for generating an output signal of higher order bits; a second digital to analog converter for generating a full scale output as an output signal of lower order bits which is always larger than the output value (1 LSB) corresponding to one bit of a digital input at the least significant bit of the first digital to analog converter; adding means for adding the output signal from the first digital to analog converter to the output signal from the second digital to analog converter to form an analog output signal; and a code converter for applying to the first and second digital to analog converters an input code obtained by shifting a digital input signal applied to the first and second digital to analog converters by a given value such that the relationship between the digital input signal and the analog output signal is made substantially linear.

REFERENCES:
patent: 3216001 (1965-11-01), Hinrichs
patent: 3646586 (1972-02-01), Kurz
patent: 3735392 (1973-05-01), Kaneko
patent: 3995266 (1976-11-01), Muller
patent: 4077035 (1978-02-01), Yee
patent: 4290050 (1981-09-01), Stakhov
patent: 4318085 (1982-03-01), Waiteside
Holloway "IEEE International Solid-State Circuits Conference", Feb. 19, 1976, pp. 106, 107.

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