Design Improvement in 2-6GHz Switch Filter Bank of Quad Super heterodyne receiver

ABSTRACT This paper consolidates the activity of design and development of 0.5-2, 2-6 and 6-18GHz filter bank, with a band width of 250 MHz in 0.5-2 GHz, 500 MHz in 2-6 GHz and 1 GHz in 6-12 GHz and 2 GHz in 12-18 GHz. Four replicas of this filter bank, integrated in a single housing, form an integral part of the 0.5-18 GHz Quad Super heterodyne Receiver. The salient features of this filter bank are its compact size, good rejection of the filters and a high isolation between the adjacent channels.