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1. (WO2003013084) LINE DRIVER FOR TRANSMITTING DATA

Pub. No.:    WO/2003/013084    International Application No.:    PCT/EP2002/008292
Publication Date: 2003. 2. 13 International Filing Date: 2002. 7. 25
IPC: H04L 25/02
Applicants: INFINEON TECHNOLOGIES AG
GREGORIUS, Peter
HANNEBERG, Armin
LAASER, Peter
Inventors: GREGORIUS, Peter
HANNEBERG, Armin
LAASER, Peter
Title: LINE DRIVER FOR TRANSMITTING DATA
Abstract:
The invention relates to a line driver (3) for conducting data transmissions with high bit rates, particularly for conducting wire-bound data transmissions in the full-duplex method. The line driver comprises a differential pair with differential pair transistors (14, 15) for generating transmit pulses according to the data to be transmitted, whereby the transmit pulses are output to the data transmission line (8, 9), which is connected to the line driver (3), preferably via cascode transistors (16, 17) that respectively form a cascode circuit with the differential pair transistors (14, 15). In order to simulate the behavior of the differential pair, a replica differential pair is provided with replica differential pair transistors (18, 19) that generate replica pulses, which correspond to transmit pulses and which can be fed via replica cascode transistors (20, 21) to a hybrid circuit (6) for carrying out echo compensation with regard to pulses received over the data transmission line (8, 9).