Signal Distribution using Passive Network and Multi-Dimensional Impedance Tuning

A system, comprising:

• a plurality of signal channels;
• a signal generator which is configured to generate a signal;
• and
• a signal distribution system which is configured to distribute the signal to the plurality of signal channels, wherein the signal distribution system comprises:
• an input stage;
• a signal distribution network comprising a plurality of passive elements;
• and a plurality of output stages;
• wherein:
• each output stage is coupled to the signal distribution network and coupled to a respective signal channel of the plurality of signal channels;
• the input stage is configured to drive the signal onto the signal distribution network;
• the signal distribution network is configured to distribute the signal to the plurality of output stages;
• and
• each output stage of the plurality of output stages comprises a variable resistance element and a variable reactance element, for tuning a complex input impedance of the output stage to obtain a signal transfer characteristic for transferring the signal from the input stage to the output stage over the signal distribution network.

A method, comprising:

• driving, by an input stage, a signal onto a signal distribution network comprising a plurality of passive elements;
• distributing the signal over the signal distribution network to a plurality of output stages;
• and
• tuning a complex input impedance of a given output stage of the plurality of output stages by adjusting at least one of a variable resistance element and a variable reactance element of the given output stage to obtain a signal transfer characteristic for transferring the signal from the input stage to the given output stage over the signal distribution network.