As early as 1977, HP commenced creation of the HP856x spectrum analyzers to enrich its RF electric power meters and sensors effective at measuring signals in extra of 20 GHz. HP also made configurable chassis centered sweep turbines effective at making indicators to 20 GHz. Other T&M goods of some https://borna.news/fa/news/2055964/%D8%B3%D8%B1%D9%88%D8%B1-hp-%DA%86%DB%8C%D8%B3%D8%AA-%D9%88-%DA%A9%D8%A7%D8%B1%D8%A8%D8%B1%D8%AF-%D9%87%D8%A7%DB%8C-%D8%A7%D9%86-%D8%AF%D8%B1-%D9%BE%D8%B2%D8%B4%DA%A9%DB%8C