A device comprising a Frequency Multiplying Device (b), an analog-digital conversion, ADC unit (a), and a Signal processing unit (d), wherein the Frequency Multiplying Device (b) has an input for an analogue signal which is to be processed, measured and/or analyzed, wherein the Frequency Multiplying Device (b) is adapted to count edges of a signal having a frequency f OSC /K during a period of the target signal and counting the edges of a signal having a frequency f OSC to obtain a signal having a multiple of the frequency of the analogue signal when comparing the two results and outputting a signal in case that the two counts are the same, and the ADC unit (a) has an input for the analogue signal, an output of the ADC unit (a) is connected to an input of the Signal processing unit (d), wherein the ADC unit (a) and the Signal processing unit (d) are connected and adapted to be tuned to the fundamental frequency of the input signal and to perform the Processing, Measurement and/or Analysis within the interval of the period of the input signal, wherein the Frequency Multiplying Device (b) has at least two outputs (K, E): - one of which is to provide the chosen multiple of the fundamental frequency of the signal to be processed, wherein this output is connected with an input (fs) of the ADC unit (a), and - one of which is to provide for the actual ratio of frequencies (VIII) in a digital, preferably binary, form, and the ADC unit (a) and the Signal processing unit (d) each have an input for a clock signal having the frequency f OSC. a Frequency Multiplying Device (b), an analog-digital conversion, ADC unit (a), and a Signal processing unit (d), wherein the Frequency Multiplying Device (b) has an input for an analogue signal which is to be processed, measured and/or analyzed, wherein the Frequency Multiplying Device (b) is adapted to count edges of a signal having a frequency f OSC /K during a period of the target signal and counting the edges of a signal having a frequency f OSC to obtain a signal having a multiple of the frequency of the analogue signal when comparing the two results and outputting a signal in case that the two counts are the same, and the ADC unit (a) has an input for the analogue signal, an output of the ADC unit (a) is connected to an input of the Signal processing unit (d), wherein the ADC unit (a) and the Signal processing unit (d) are connected and adapted to be tuned to the fundamental frequency of the input signal and to perform the Processing, Measurement and/or Analysis within the interval of the period of the input signal, wherein the Frequency Multiplying Device (b) has at least two outputs (K, E): - one of which is to provide the chosen multiple of the fundamental frequency of the signal to be processed, wherein this output is connected with an input (fs) of the ADC unit (a), and - one of which is to provide for the actual ratio of frequencies (VIII) in a digital, preferably binary, form, and - one of which is to provide the chosen multiple of the fundamental frequency of the signal to be processed, wherein this output is connected with an input (fs) of the ADC unit (a), and - one of which is to provide for the actual ratio of frequencies (VIII) in a digital, preferably binary, form, and the ADC unit (a) and the Signal processing unit (d) each have an input for a clock signal having the frequency f OSC.