As early as 1977, HP commenced production of the HP856x spectrum analyzers to enrich its RF electricity meters and sensors able to measuring alerts in excessive of 20 GHz. HP also manufactured configurable chassis centered sweep generators effective at producing signals to 20 GHz. Other T&M items of the time https://kbookmarking.com/story17678320/helping-the-others-realize-the-advantages-of-%D8%B3%D8%B1%D9%88%D8%B1-hpe-%DA%86%DB%8C%D8%B3%D8%AA