RF Circulators and Isolators are very specialized electronic components. If you are interested in buying one, you can find a variety of different models at various electronic component distributors. Electronics Notes is compensated for links to its product listings. To view the prices of RF circulators, please visit our affiliate links. We earn a small commission on all sales made through our links. RF Circulators and Isolators are important for ensuring proper signal integrity in wireless and cable-based applications.
RF Circulators
When designing an RF design, the right RF circulators and isolation are crucial. A ferromagnetic device must be shielded against a source of RF interference, or else it will be a source of EMI or EMC, which can lead to serious consequences. Several electronic component distributors offer a range of RF circulators and isolation, with some models being available for same-day shipping.
RF circulators and isolation work by passing radiated energy back into the device. Typical RF circulators have three ports. Ports 1 and 2 connect to the transmitter and antenna, while port 3 is typically connected to a 50O load. An ideal impedance match between the two ports is vital for high isolation levels. Poor impedance matching will reduce isolation performance. However, it is still possible to design a system that protects your expensive signal generator.
RF Isolators
If you're in the market for RF Isolators and circulators, then you've come to the right place. If you're in the radar industry, Sonoma Scientific manufactures and designs the highest quality isolators and circulators. For over 25 years, the company has been designing and manufacturing high-quality products to meet the unique needs of many industries. Whether you need a single RF Isolator for a specific application or a full range of RF/microwave solutions, Sonoma Scientific has you covered.
The basic principle behind isolators is simple. The device has two signal ports and a third, terminated port. Its function is to protect RF components from excessive signal reflection. The general isolator symbol is shown in figure 4. A signal from port A will pass to port B with a minimal loss. Likewise, the signal from port C will bounce back into port A. This is a perfect example of how an isolator can be used for RF applications.
RF Coaxial Circulators
RF Coaxial Circulators are devices that isolate the output of a transmitter from the receiver's antenna. This isolation prevents high-power transmitter signals from reaching the receiver. Depending on the configuration, the circulator may be configured with octave band, dual junctions, RF sealing, or encapsulation. Some models even suppress corona arcing under high power or high altitude.
RF Coaxial Circulators come in different types and are used to separate a single frequency range from multiple sources. High-power coaxial microwave circulators from Ferrite Microwave Technologies are available in frequency ranges ranging from 12 MHz to 50 GHz and up to 2000W. Each type features low insertion loss, high isolation, and excellent power handling. These devices are designed for high-reliability and are typically used in source protection and TWTs.
RF Coaxial Isolators
RF Coaxial Isolators are devices that allow RF signals to pass from one port to the next and are essential for various wireless communications applications. Using RF Coaxial Isolators will prevent damaging reflected signals from reaching the next component. In addition to isolation, these devices also protect the amplifiers and other components by separating the transmitted and received signals. RF Coaxial Isolators are available in different configurations and can be used with a wide variety of applications.
There are two types of RF Coaxial Isolators, Drop-in and Connectorised . The first is used in the design of RF modules, using microstrip technology. The second type is used in RF testing and measurement equipment. The input and output ports are matched on the microstrip PCB, and they both feature a similar frequency range. The Connectorised version is used when testing RF components with equipment and requires a high-quality isolation.