A transmitter apparatus (TA, TA1, TA2-1, TA2-2, TA3, TA4) for conditioning a multicarrier signal, said transmitter apparatus (TA, TA1, TA2-1, TA2-2, TA3, TA4) comprising: - means (FE-PU) for grouping subcarriers of said multicarrier signal into a first frequency block (FB-1, FB-1b) comprising a first group of said subcarriers and into at least a second frequency block (FB-2,..., FB-M, FB-2b, FB-Mb) comprising at least a second group of said subcarriers, - first filtering means (LPF-1, BPF-1) for sideband suppression outside of said first frequency block (FB-1, FB-1b), and - at least second filtering means (LPF-2,..., LPF-M, BPF-2,..., BPF-M) for simultaneous and separate sideband suppression outside of said at least second frequency block (FB-2,..., FB-M, FB-2b, FB-Mb), characterized in that said first filtering means (LPF-1, BPF-1) are configured to generate a first time domain signal (TDS-1c, TDS-1e, TDS-21b), said at least one second filtering means (LPF-2,..., LPF-M, BPF-2,..., BPF-M) are configured to generate at least one second time domain signal (TDS-2c,..., TDS-Mc, TDS-2e,..., TDS-Me, TDS-22b,..., TDS-2Mb said first filtering means (LPF-1, BPF-1) and said at least second filtering means (LPF-2,..., LPF-M, BPF-2,..., BPF-M) are further configured to generate a universal filtered multi-carrier signal, said transmitter apparatus (TA, TA1, TA2-1, TA2-2, TA3, TA4) further comprises a back end processing unit (BE-PU1) and said back end processing unit comprises: - a combiner (COMB) configured to superimpose or add said first time domain signal (TDS-1c, TDS-1e, TDS-21b) and said at least one second time domain signal (TDS-2c,..., TDS-Mc, TDS-2e,..., TDS-Me, TDS-22b,..., DS-2Mb) and to generate a total time domain signal (TDSe), - a digital-to-analogue converter unit (D/A-C-U) configured to convert said total time domain signal (TDSe) into an analogue time domain signal (TDSe-a), - a mixer configured to up-convert said analogue time domain signal (TDSe-a) and to generate a radio frequency signal (RFS-d) being shifted to a final central frequency position, - a power amplifier configured to amplify said radio frequency signal (RFS-d) and to generate an amplified radio frequency signal (RFS-aa), and - a filter unit (FIL-U) configured to filter said amplified radio frequency signal (RFS-aa) and to generate a radio frequency signal to be applied to an antenna system. - means (FE-PU) for grouping subcarriers of said multicarrier signal into a first frequency block (FB-1, FB-1b) comprising a first group of said subcarriers and into at least a second frequency block (FB-2,..., FB-M, FB-2b, FB-Mb) comprising at least a second group of said subcarriers, - first filtering means (LPF-1, BPF-1) for sideband suppression outside of said first frequency block (FB-1, FB-1b), and - at least second filtering means (LPF-2,..., LPF-M, BPF-2,..., BPF-M) for simultaneous and separate sideband suppression outside of said at least second frequency block (FB-2,..., FB-M, FB-2b, FB-Mb), - a combiner (COMB) configured to superimpose or add said first time domain signal (TDS-1c, TDS-1e, TDS-21b) and said at least one second time domain signal (TDS-2c,..., TDS-Mc, TDS-2e,..., TDS-Me, TDS-22b,..., DS-2Mb) and to generate a total time domain signal (TDSe), - a digital-to-analogue converter unit (D/A-C-U) configured to convert said total time domain signal (TDSe) into an analogue time domain signal (TDSe-a), - a mixer configured to up-convert said analogue time domain signal (TDSe-a) and to generate a radio frequency signal (RFS-d) being shifted to a final central frequency position, - a power amplifier configured to amplify said radio frequency signal (RFS-d) and to generate an amplified radio frequency signal (RFS-aa), and - a filter unit (FIL-U) configured to filter said amplified radio frequency signal (RFS-aa) and to generate a radio frequency signal to be applied to an antenna system.