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Browse Prior Art Database

BAND TUNABLE CERAMIC BLOCK FILTER

IP.com Disclosure Number: IPCOM000005701D
Original Publication Date: 1988-Oct-01
Included in the Prior Art Database: 2001-Oct-29

Publishing Venue

Motorola

Related People

Authors:
Richard Kommrusch

Abstract

In some filter applications a band tunable filter could be smaller than a broadband filter and still meet all the selectivity requirements. As an example consider a mobile Telephone with a 26 MHz bandwidth and 45MHz separation between TX and Rx. Figure 1 shows the present type of filter.