Title : 
Design of 4th-order monolithic crystal filters
         
        
            Author : 
Tuladhar, K.K. ; Cox, B.D.
         
        
            Author_Institution : 
Cathodeon Crystals Ltd., Cambridge, UK
         
        
        
        
        
            fDate : 
8/1/1981 12:00:00 AM
         
        
        
        
            Abstract : 
Simple direct formulas are given for the design of 4th-order AT-cut resonators or monolithic dual filters. It is shown that the matching transformers or annulling coils are not required to achieve a desired impedance.
         
        
            Keywords : 
crystal filters; 4th-order AT-cut resonators; 4th-order monolithic crystal filters; direct design formulas; monolithic dual filters; narrow band approximation;
         
        
        
            Journal_Title : 
Electronic Circuits and Systems, IEE Proceedings G
         
        
        
        
        
            DOI : 
10.1049/ip-g-1:19810055