H - Electricity – 03 – M
Patent
H - Electricity
03
M
354/97
H03M 1/76 (2006.01) H03M 1/00 (2006.01)
Patent
CA 1203318
APPARATUS FOR CONVERTING DATA BETWEEN ANALOG AND DIGITAL VALUES Abstract of the Disclosure A plurality of output members provide a current of a particular value. A plurality of switches or networks are arranged electrically in a matrix relationship and are connected to one another and to the output members to provide for a flow of current through a number of the output members dependent upon the binary values coded by the logic levels of binary signals. Each logical network receives the logic levels of the binary signals coding for a particular binary significance . The switches or logical networks provide for a current flow, with progressive increases in the binary values coded by the logic levels of the binary signals, through the output members previously providing for a current flow and provide for a current flow through additional output members with such progressive increases in such binary values. The currents through the output members flow through a line so that the current on the line represents the analog value. The plurality of switches and the lines providing the logic levels of the binary signals are disposed in a module or an integrated circuit chip. A second module corresponding to the first module is also disposed on the chip and is connected to the first module to enhance the conversion between the digital and analog values. In this way, the converter is monotonic and provides minimal amounts of differential and integral non-linearities. * * * * * * * *
411430
Katzenstein Henry S.
Sullivan Herbert W.
Borden Ladner Gervais Llp
Brooktree Corporation
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