RF switched filter banks have several advantages over separate component designs. These switched filter banks are compact because of the integrated RF filter and switch technology. Another key advantage is improved electrical performance obtained by the combining of technologies. Most often the filter banks are controlled by TTL signals which is very common in the RF industry.
RF Filter banks can be designed in many configurations depending on the customers’ requirements. One common design is with a single input and output that can be routed thru one to sixteen RF filters. Another design is one input to multiple outputs. Corry Micronics, Inc. (CMI) can design up to 16 filters into a single package. They design and build their own filters and have the advantage of using many different types of filter topologies. For example, CMI can design the RF filter bank with LC discrete components, crystal, microstrip, stripline, suspended stripline, slabline, combline, cavity, interdigital, tubular, waveguide, ceramic resonator or helical filter technology.
Corry Micronics’ frequency range is from very low frequencies of 10 MHz to 40 GHz and can be built to extreme power levels exceeding 1 Kilowatt. The RF filter banks can be packaged from non-hermetic to the very rugged completely hermetic packaging, used in military and aerospace applications.