Coded data generation or conversion – Analog to or from digital conversion – With particular solid state devices
Patent
1998-06-22
2000-04-18
Young, Brian
Coded data generation or conversion
Analog to or from digital conversion
With particular solid state devices
341144, H03M 100
Patent
active
060520744
ABSTRACT:
A multi-channel D/A converter is formed with a plurality of converter units, each having one single input transistor and a plurality of output transistors which together form current mirrors. Mutually corresponding ones of these output transistors of different ones of the converter units, which are switched on and off together, are disposed adjacently and connected together to a trunk power supply line such that the parasitic resistances through the conductive lines connected to the output transistors are alike and the conversion characteristics of the individual converter units also become alike. One common input transistor may be shared by all of the converter units for further improving the conversion characteristic.
REFERENCES:
patent: 4137525 (1979-01-01), Tyrrel
patent: 5017919 (1991-05-01), Hull et al.
patent: 5870044 (1999-02-01), Dell'ova et al.
patent: 5870049 (1999-02-01), Huang et al.
Pierre Peauy Jean
Rohm & Co., Ltd.
Young Brian
LandOfFree
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