For more than 30 years, B&Z Technologies has designed and manufactured microwave and millimeter-wave amplifiers, including units built for operation at cryogenic temperatures. Based in East Setauket, the company combines discrete-transistor, miniature-element and air-line designs in a common chassis platform that can be adapted to customers’ electrical and mechanical requirements. Its catalog includes ready-to-ship models, while its engineers also modify existing designs or create new amplifiers for demanding applications.
Custom MMICCustom MMIC develops microwave and millimeter-wave integrated circuits, including amplifiers and signal-control components, for applications served through Qorvo. The company is now part of Qorvo, which provides ongoing product and customer support for the Custom MMIC portfolio.RONKONKOMA, NY
AmpliTech Group, IncFounded in 2002 by microwave engineer Fawad Maqbool, AmpliTech Group has spent more than two decades building a U.S.-based RF engineering business around difficult signal-performance problems. The Hauppauge company now operates as a vertically integrated signal technology group whose in-house chip design supports communications hardware used by defense contractors, satellite operators, telecommunications companies, and quantum-computing researchers. Its American-designed 64T64R Massive MIMO radio is a notable extension of that original amplifier expertise into Open RAN 5G.HAUPPAUGE, NY
Mini-CircuitsIndependent since its founding in 1968, Mini-Circuits has built its reputation on dependable RF technology and unusually long product support. The Melville, New York company serves more than 20,000 customers from eight wholly owned manufacturing facilities around the world, including customers in demanding aerospace and medical applications.BROOKLYN, NY
TeraphysicsFounded in Cleveland in 2006, Teraphysics is an R&D company developing and commercializing patented, miniaturized millimeter-wave traveling-wave-tube amplifiers. Its business-card-sized devices are designed to deliver tens to hundreds of watts of linear power across frequencies from roughly 70 to 650 GHz, supporting advanced communications and electromagnetic-spectrum applications. The company’s technology grew from work by former NASA engineers and physicists who collaborated at NASA Lewis, now NASA Glenn, in the 1990s.CLEVELAND, OH