ELECTRONIC COMPONENTS AND MODULES, NAMELY, SWITCHES, VARACTORS, FILTERS, PHASE SHIFTERS, TUNABLE FILTERS, SWITCHABLE FILTERS, SWITCHED BAND AMPLIFIERS, DYNAMICALLY MATCHED AMPLIFIERS, FRONT-END MODULES, SWITCH MATRICES, SWITCH CONTROL CIRCUITS, SWITCHED ATTENUATORS, AND VARIABLE ATTENUATORS, AND ELECTRICAL SWITCHING SUB-SYSTEMS, namely, SUB-SYSTEMS WITH INTERCONNECTIONS OF MULTIPLE ELECTRICAL SWITCHING ELEMENTS