An apparatus for signal preconditioning, comprising: a signal classifier block and a delay block commonly coupled for receiving an input signal; the delay block for providing a delayed version of the input signal; the signal classifier block for: classifying the input signal; and generating a configuration signal having configuration information for digital predistortion, DPD, engine parameterization in response to the input signal classification, wherein the delayed version is timed for delay associated with processing the input signal such that the delayed version and the configuration signal are output generally at the same time from their respective block sources; and a DPD engine for receiving the delayed version of the input signal and the configuration signal and for providing a predistorted output signal, the DPD engine including a parameter estimation engine and a predistortion datapath block, wherein the parameter estimation engine is configured to provide predistortion coefficients to the predistortion datapath block based on the delayed version of the input signal, the configuration signal, and a feedback signal for updating of predistortion coefficients, wherein the predistortion datapath block is configured to receive the predistortion coefficients and a power-level signal branched off from the configuration signal and assign the received predistortion coefficients to one or more lookup tables, LUTs, of a nonlinear filter according to a modulation type, a bandwidth, and a power level, and wherein for predistorting the input signal associated with a modulation type, a bandwidth, and a power level, a corresponding LUT of the one or more LUTs is accessed to output predistortion coefficients stored therein to the nonlinear filter as filter coefficients thereof, and the nonlinear filter is configured to apply the filter coefficients to the delayed version of the input signal for providing the predistorted output signal. a signal classifier block and a delay block commonly coupled for receiving an input signal; the delay block for providing a delayed version of the input signal; the signal classifier block for: classifying the input signal; and generating a configuration signal having configuration information classifying the input signal; and generating a configuration signal having configuration information for digital predistortion, DPD, engine parameterization in response to the input signal classification, wherein the delayed version is timed for delay associated with processing the input signal such that the delayed version and the configuration signal are output generally at the same time from their respective block sources; and a DPD engine for receiving the delayed version of the input signal and the configuration signal and for providing a predistorted output signal, the DPD engine including a parameter estimation engine and a predistortion datapath block, wherein the parameter estimation engine is configured to provide predistortion coefficients to the predistortion datapath block based on the delayed version of the input signal, the configuration signal, and a feedback signal for updating of predistortion coefficients, wherein the predistortion datapath block is configured to receive the predistortion coefficients and a power-level signal branched off from the configuration signal and assign the received predistortion coefficients to one or more lookup tables, LUTs, of a nonlinear filter according to a modulation type, a bandwidth, and a power level, and wherein for predistorting the input signal associated with a modulation type, a bandwidth, and a power level, a corresponding LUT of the one or more LUTs is accessed to output predistortion coefficients stored therein to the nonlinear filter as filter coefficients thereof, and the nonlinear filter is configured to apply the filter coefficients to the delayed version of the input signal for providing the predistorted output signal.