Control unit having a signal converter

Details Control unit having a signal converter Control unit having a signal converter

2006-03-07

2006-03-07

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S165000

Reexamination Certificate

active

07009546

ABSTRACT:
A control unit for a transportation device has a processing unit that is supplied with power by a first supply voltage and has a signal converter for converting input analog signals to digital signals. The signal converter has an analog converter stage for generating a modified signal from the analog signal and a digital converter stage for generating a digital signal from the modified signal. The analog converter stage has a signal integration stage connected to a signal amplitude comparator; and the digital converter stage has a scanning stage to whose output the analog-to-digital-converted digital signal is applied. The digital converter stage comprises configurable logic circuits provided on the chip of the processing unit; while the analog converter stage comprises components outside the processing unit. The analog converter stage is supplied with voltage by a second supply voltage different from the first supply voltage.

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