A device for generating a frequency-up-converted wideband signal, the device including a periodic address counter connected to a waveform memory to generate two digital signals, two digital to analog converters configured to convert the two digital signals to two analog signals, two filters connected to the two digital to analog converters configured to anti-alias filter the two analog signals and a quadrature modulator connected to the two filters and to an oscillator for generating the frequency-up-converted wideband signal. A method for generating a frequency-up-converted wideband signal is also provided.