TRANSMITTER WITH DELAY MISMATCH COMPENSATION

摘要

A transmitter device is provided which comprises a digital part (DP) and an analog part (AP). The transmitter device furthermore comprises a digital modulator (DM) in the digital part (DP) for receiving bits (MB) and for digitally modulating the receiving bits (MB). A first (IDAC; RDAC) and second digital-to-analog converter (QDAC; ODAC) are provided. The transmitter device furthermore comprises at least one filter unit (H1; HQ; Hl) which is arranged in the digital part (DP) and which is coupled between the first and/or second digital-to-analog converter (IDAC; QDAC) and the digital modulator (DM). A table unit (TU) is coupled to the at least one filter unit (H1; HQ) and is used to store pre- defined compensation filter values for the at least one filter unit (H1; HQ) which are required to compensate different delay mismatches in the analog part (AP) of the transmit¬ ter device. The filter values of the at least one filter unit (H1; HQ) are set to those compensa¬ tion filter values as stored in the table unit (TU) which correspond to a determined delay mismatch.