Components for electrical signal generation in the nature of frequency synthesizers, multipliers and amplifiers; components for conversion of electrical signals in the nature of block-down converters, block-up converters, channelized up-converters and transceivers; integrated microwave assemblies in the nature of assemblies for use with aerospace equipment, communication equipment, laboratory equipment, military equipment and satellite equipment, namely, multi-tone sources in the nature of multi-tone synthesizers, multi-band electric converters, IQ modulators, IQ demodulators, transceivers, amplifiers and master multiplexers