Components and Accessories
ERI manufactures a wide variety of coaxial and waveguide components and accessories. These range from fine matchers and patch panels to motorized waveguide and coaxial switches.
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ERI Precision Coaxial Directional Couplers
Electronics Research, Inc. (ERI) precision directional coupler family for FM radio, VHF, and UHF television applications. These precision fixed directional couplers are for 1-5/8-inch, 3-1/8-inch, 4-1/16-inch, and 6-1/8-inch transmission lines and can be purchased with one (1) to four (4) coupling probes. These directional couplers are balanced high precision test instruments. They are capable of a being set for a wide range of coupling values and always have excellent directivity. The inner conductor and fixed locking flange maintain precise alignment of the inner conductor to maintain the calibrated coupling level and directivity during shipping and when they are relocated. -
RF Loads
ERI offers both coaxial and waveguide, liquid-cooled, UHF RF loads with unique features, including integrated fine matchers and models with integrated directional couplers. -
Patch Panels and Motorized Switches
ERI manufactures a full line of motorized coaxial switches for AM and FM applications as well as for VHF and UHF television requirements. The company also makes motorized waveguide switches for high power UHF applications. ERI also manufactures motorized switch controllers. The ERI QUICK PATCHâ„¢ Coaxial Patch Panels are a unique design that allows for quick and positive change-over of any number of system inputs and outputs.