As early as 1977, HP began creation of the HP856x spectrum analyzers to complement its RF energy meters and sensors effective at measuring signals in excessive of twenty GHz. HP also developed configurable chassis based sweep generators effective at producing indicators to twenty GHz. Other T&M products of some time https://mrhp.ir/%da%a9%d8%a7%d8%b1%d8%aa-%d8%b4%d8%a8%da%a9%d9%87-hpe-broadcom-bcm57414-ethernet-10-25gb-2-port-sfp28-ocp3/