Narrow band arbitrary HF modulation and noise generator (NARROW BAND, ARBITRARY HF MODULATION AND NOISE GENERATOR)

摘要

The present invention relates to a high frequency (IF) vibration generator and a method for arbitrary HF modulation. To this end, the modulation generator comprises a digital numerically controlled oscillator (NCO), whereby a digital-to-analog conversion is performed and the modulation of frequency, phase and / or amplitude is freely predetermined. Two NCOs that are phase-modulated and operate in parallel, in which the signals are digitally added, are used to simultaneously perform amplitude and / or phase modulation without using an additional digital multiplier. As a result, these generators achieve the highest pble data throughput and the excellent temporal resolution of the generated signal today.