Digital/analog conversion device with two switched latches for s

Details Digital/analog conversion device with two switched latches for s Digital/analog conversion device with two switched latches for s

1993-07-30

1995-04-25

Hoff, Marc S.

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

341118, H03M 166

Patent

active

054103126

ABSTRACT:
Since the D/A conversion device comprises first registers (DA-1) 3a and (DA-2) 3b for latching a plurality of digital value data from the central processing unit among which there is a time lag, the switch circuits 6a and 6b are made conductive by the signal CPUS based on an address specified by the central processing unit so that the digital value data latched by the first registers (DA-1) 3a and (DA2) 3b are written onto the conversion registers (DA-1) 4a and (DA-2) 4b simultaneously and converted into analog voltages by the resistance ladders (DA-1) 7a and (DA-2) 7b. In this way, a plurality of D/A conversion outputs become simultaneous.

REFERENCES:
patent: 4308585 (1981-12-01), Jordan
patent: 4998107 (1991-03-01), Suzuki

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