API Technologies- A Weinschel Product – 4209 Series Programmable Attenuators
https://www.apitech.com/products/rf-solutions/rf-components/attenuators/programmable-attenuator/solid-state-attens/4209-programmable-attenuator/
https://www.apitech.com/products/rf-solutions/rf-components/attenuators/programmable-attenuator/solid-state-attens/4209-programmable-attenuator/
http://www.presidiocomponents.com/engineering-guide/index.html
https://www.qorvo.com/design-hub/blog/unlocking-full-duplex-docsis-31-architecture-with-dpd-and-75-ohm-catv-switches
https://www.qorvo.com/newsroom/news/2018/qorvo-introduces-iot-sip-to-improve-smart-home-solutions
https://www.qorvo.com/newsroom/news/2018/qorvo-technology-is-driving-the-future-of-the-connected-car
http://buyersguide.mae.pennnet.com/qtech-corp.html
http://www.piconics.com/conical-inductors/
http://www.microwavejournal.com/articles/29483-the-worlds-first-5g-rf-front-end-module
Infrastructure & Defense/CATV: QPB3311: 5-210MHz 15dB Return Path Amplifier for CATV Equipment Suppliers QPB3321: 17.5dB Return Path Amplifier for DOCSIS 3.1 CATV Equipment QPB2318: 15dB Balanced Return Amplifier for DOCSIS 3.1 CATV Equipment