Computer hardware; integrated circuits; telecommunications hardware and related electronic components, namely, power amplifiers, transimpedance amplifiers, gain blocks, audio mixers, switches, modulators, converters, radio transmitters, rf, microwave, fiber optic and superheterodyne receivers, attenuators, phase-lock circuits, dividers, prescalers, couplers, combiners, multipliers, doublers, analog, rf and signal processing filters, pre-distorters, phase shifters, linearizers, feed-forward an...