In-memory analog channel equalization

A radiofrequency frontend device, comprising:

• a means for performing in-memory calculation comprising:
• a plurality of means for receiving an electrical voltage or current;
• a plurality of means for outputting an altered electrical voltage or current;
• a plurality of means for altering the electrical voltage or current, each means for altering the electrical voltage or current connecting an means for receiving an electrical voltage or current to a means for outputting an altered electrical voltage or current, wherein an impedance of each of the means for altering the electrical voltage or current represents a filter coefficient;
• wherein the radiofrequency frontend device provides at each means for receiving an electrical voltage or current a sampled voltage of an analog electric signal, each sampled voltage corresponding to a voltage of the analog electric signal during a respective time period of a plurality of time periods;
• and
• when the means for performing in-memory calculation receives the sampled voltages, the means for performing in-memory calculation is configured to modify each of the sampled voltages by a respective impedance device of the plurality of impedance devices and sum the modified sampled voltages.

A method of filtering a radiofrequency signal, comprising:

• receiving at each input line of a plurality of input lines a sampled voltage of an analog electric signal, each sampled voltage corresponding to a voltage of the analog electric signal during a respective time period of a plurality of time periods;
• modifying each of the sampled voltages by a respective impedance device of the plurality of impedance devices;
• and
• summing the modified sampled voltages.