RF FiltersRF filters are a type of filter that is specifically designed to remove unwanted signals or frequencies in the radio frequency (RF) range. They are commonly used in EMI (electromagnetic interference) optimization in cables, as well as in a variety of other RF and microwave applications. RF filters are known for their high Q factor, which is a measure of how well the filter can reject unwanted signals. This makes them highly effective at blocking specific frequencies, making them a popular choice for EMI optimization in cables. RF filters can be made from a variety of materials, including ceramic, metallic, and ferrite, and can be either surface-mount or through-hole.