The invention relates to a filter with a first partial filter (TF1), comprising a series resonator (S1) and at least two parallel resonators (P1, P2) that are arranged in respective parallel branches, and with a second partial filter (TF2) configured as a DMS filter. The filter also comprises a housing...http://www.google.com/patents/US20100127799?utm_source=gb-gplus-sharePatent US20100127799 - HF-FILTER WITH IMPROVED ADJACENT CHANNEL SUPPRESSION
