Precision digital-to-analog converter

Details Precision digital-to-analog converter Precision digital-to-analog converter

1991-04-12

1992-01-28

Pellinen, A. D.

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

341119, H03M 178

Patent

active

050847031

ABSTRACT:
A digital-to-analog converter is disclosed which employs a ladder configuration comprising a series of R1-R2-R3 stages in which resistors R2 and R3 are selected so that mathematically the combined resistance of R2 in parallel with R3 is equal to twice the resistance of R1. The resistance of resistor R3 is on the order of 3 to 30 times greater than the resistance of resistor R2. These resistors are configured in stages with FET switches.

REFERENCES:
patent: 4381499 (1983-04-01), Struthoff
patent: 4551709 (1985-11-01), Merchant et al.
patent: 4590456 (1986-05-01), Burton et al.
patent: 4713649 (1987-12-01), Hino
patent: 4800365 (1989-01-01), White et al.
patent: 5008671 (1991-04-01), Tuthill

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