![]() However, factory designed RF Isolators will likely have much better matched terminations and are designed and tested to operate over the entire frequency range and to the specified power levels. It is possible to make an RF Isolator from an RF Circulator by just terminating the reverse port. With a well matched termination on the reverse port, the majority of the reflected/reverse signal energy from the output port will be directed to the termination and dissipated and heat. It is critical for an RF Isolator to have a well matched termination in the reverse port to optimize the isolation. RF Circulators/RF Isolators are typically passive ferrite devices that are made in such a way that the internal magnetic fields within the component steer the electromagnetic waves incident at the ports in a certain direction, with these waves exciting at the nearest port in the direction of travel.Īs the name implies, RF Isolators are predominately used to isolate upstream signal chain components, which are typically more sensitive components, from reflections from downstream components. This modification of RF Isolators only allows for signal energy to pass in the forward direction, in reference to the signal chain, and heavily “isolates” the upstream signal chain from any reverse reflections or noise/interference injection. All devices are ROHS Compliant and material declarations are in place.RF Isolators are specific cases of RF Circulators where one of the three ports, typically the reverse port in reference to the signal chain, is terminated. We provide circulators and isolators spanning the frequency range of 50 MHz to 20.0 GHz in varying bandwidths, tailored to cover all standard and popular bands commonly used throughout the market place. Available in single or multi-junction topographies, the RFCI product line of RF Circulators and Isolators are specifically designed for use in varied environmental and temperature extremes. RF Circulator Isolator Inc., (RFCI) specializes in the design, development and manufacturing of a broad range of quality RF Circulators and Isolators. ![]() We are ready to develop Isolators/Circulators to your specifications and we will happily consult on your requirements, develop and manufacture for your cost-effective products that are delivered right and on time. We’re continuously improving our process to supply the highest performance products at lower price with the quickest time-to-market. In keeping with our commitment to quality, all our products are manufactured in ISO 9001:2008 quality approved facilities. ![]() RFCI proudly offer the markets a broad range of ferrite devices which are unequaled in performance, quality and reliability. Currently, we’re one of the biggest suppliers to the Base Station markets. Our highly skilled and talented engineering team has a combination of many years of working in ferrite products with extensive design history. ![]() In today’s competitive environment, Designers are facing the tough challenge of developing systems that require high performance, shorter lead times-to-market, and tremendous cost reductions.Īt RFCI, we design & manufacture the most challenging ferrite devices to provide high performance, high reliability, and innovative solutions to our customers.
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