The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 08, 2003
Filed:
Aug. 23, 2001
Dirk Hottgenroth, München, DE;
Infineon Technologies AG, Munich, DE;
Abstract
The method and the device are particularly suitable for data exchange between memory modules and logic modules. A multidigit digital signal at the transmitter end is converted into a corresponding analog signal by a D/A converter. The analog signal is transferred via a transfer line and the analog signal received at the transmitter end is converted back into a digital signal identical to the digital signal of the transmitter end with an A/D converter. An A/D converter based on the principle of successive approximation is used at the receiver end. The converter has a calibration circuit which, during a calibration cycle, by way of an additional “overdrive” transistor and a register, varies gate voltages of the transistors used for decoding purposes until the output signal of a comparator disappears.