As early as 1977, HP started manufacture of the HP856x spectrum analyzers to enhance its RF electrical power meters and sensors effective at measuring signals in extra of 20 GHz. HP also developed configurable chassis centered sweep turbines effective at creating signals to twenty GHz. Other T&M products and solutions https://livebackpage.com/story2987222/the-best-side-of-%D8%B3%D8%B1%D9%88%D8%B1-hpe-%DA%86%DB%8C%D8%B3%D8%AA