Group Delay Equalized Filter consists of bandpass filter and a group delay equalizer. This design approach allows our engineers to control the amplitude and delay responses separately thus permitting to meet the tightest delay and amplitude specifications. Sirius Microwave offers filters with group delay and amplitude ripples as low as 2 ns p-p and 0.2 dB respectively. The filter models presented below are most often asked for by our customers. If there is a need for a filter that is different from any of the item listed herein, please contact Sirius Microwave so that we may serve Your particular needs. Contact factory for special requirements here.