A communication apparatus, comprising: a first mixer configured to generate an analog output signal X OUT from an analog input signal X IN using a first mixing signal, the first mixer comprising a scaler being configured to sample the analog input signal X IN at a plurality of discrete points in time k with a first sampling frequency f S,1 to obtain a sampled analog input signal X IN [k] having a continuous signal value, and to generate the analog output signal X OUT having a continuous signal value by scaling the sampled analog input signal X IN [k] on the basis of a plurality of scaling coefficients A[k], wherein the scaling coefficients A[k] are a time-discrete representation of the first mixing signal; a second mixer configured to generate an analog output signal Y OUT from an analog input signal Y IN using a second mixing signal, the second mixer comprising a scaler being configured to sample the analog input signal Y IN at a plurality of discrete points in time k with a second sampling frequency f S,2 to obtain a sampled analog input signal Y IN [k] having a continuous signal value, and to generate the analog output signal Y OUT having a continuous signal value by scaling the sampled analog input signal Y IN [k] on the basis of a plurality of scaling coefficients B[k], wherein the scaling coefficients B[k] are a time-discrete representation of the second mixing signal; a local oscillator configured to provide a reference frequency f REF, wherein the first mixer is configured to derive the first sampling frequency f S,1 from the reference frequency f REF and wherein the second mixer is configured to derive the second sampling frequency f S,2 from the reference frequency f REF; and wherein: the analog input signal X IN is equal to the analog input signal Y IN and the communication apparatus is configured to combine the analog output signal Y OUT of the second mixer with the analog output signal X OUT of the first mixer, in particular to subtract the analog output signal Y OUT of the second mixer from the analog output signal X OUT of the first mixer; and the first mixing signal is associated with a first mixing frequency f MIX, 1 and the second mixing signal is associated with a second mixing frequency f MIX, 2, and the first mixing frequency f MIX, 1 differs from the second mixing frequency f MIX, 2; wherein the second mixing frequency f MIX, 2 is where a problematic spur of the first mixer is located. a first mixer configured to generate an analog output signal X OUT from an analog input signal X IN using a first mixing signal, the first mixer comprising a scaler being configured to sample the analog input signal X IN at a plurality of discrete points in time k with a first sampling frequency f S,1 to obtain a sampled analog input signal X IN [k] having a continuous signal value, and to generate the analog output signal X OUT having a continuous signal value by scaling the sampled analog input signal X IN [k] on the basis of a plurality of scaling coefficients A[k], wherein the scaling coefficients A[k] are a time-discrete representation of the first mixing signal; a second mixer configured to generate an analog output signal Y OUT from an analog input signal Y IN using a second mixing signal, the second mixer comprising a scaler being configured to sample the analog input signal Y IN at a plurality of discrete points in time k with a second sampling frequency f S,2 to obtain a sampled analog input signal Y IN [k] having a continuous signal value, and to generate the analog output signal Y OUT having a continuous signal value by scaling the sampled analog input signal Y IN [k] on the basis of a plurality of scaling coefficients B[k], wherein the scaling coefficients B[k] are a time-discrete representation of the second mixing signal; a local oscillator configured to provide a reference frequency f REF, wherein the first mixer is configured to derive the first sampling frequency f S,1 from the reference frequency f REF and wherein the second mixer is configured to derive the second sampling frequency f S,2 from the reference frequency f REF; and wherein: the analog input signal X IN is equal to the analog input signal Y IN and the communication apparatus is configured to combine the analog output signal Y OUT of the second mixer with the analog output signal X OUT of the first mixer, in particular to subtract the analog output signal Y OUT of the second mixer from the analog output signal X OUT of the first mixer; and the first mixing signal is associated with a first mixing frequency f MIX, 1 and the second mixing signal is associated with a second mixing frequency f MIX, 2, and the first mixing frequency f MIX, 1 differs from the second mixing frequency f MIX, 2; wherein the second mixing frequency f MIX, 2 is where a problematic spur of the first mixer is located. the analog input signal X IN is equal to the analog input signal Y IN and the communication apparatus is configured to combine the analog output signal Y OUT of the second mixer with the analog output signal X OUT of the first mixer, in particular to subtract the analog output signal Y OUT of the second mixer from the analog output signal X OUT of the first mixer; and the first mixing signal is associated with a first mixing frequency f MIX, 1 and the second mixing signal is associated with a second mixing frequency f MIX, 2, and the first mixing frequency f MIX, 1 differs from the second mixing frequency f MIX, 2; wherein the second mixing frequency f MIX, 2 is where a problematic spur of the first mixer is located.