Electronic test, signaling and measurement systems and equipment, namely, oscillators; signal generators and analyzers, logic-signal sources, pulse and data generators, function and arbitrary waveform generators; sweeper generators and sweeper oscillators for testing and measuring electrical and electronic equipment; spectrum analyzers, logic analyzers, waveform analyzers and oscilloscopes; network and spectrum analyzers; modulation-domain and time-interval analyzers; multimeters; power, volt...