Title : 
Microstrip dual-mode band reject filter
         
        
        
            Author_Institution : 
Dept. of Electr., Electron. & Comput. Eng., Heriot-Watt Univ., Edinburgh, UK
         
        
        
        
            Abstract : 
Novel microstrip dual-mode band reject filters using triangular patch resonators are investigated. It is shown that with simple circuit topologies highly selective notch filters can be realized. Full-wave electromagnetic (EM) simulations and circuit modeling are performed in order to understand the operation of this type of filter. Two demonstrators, i.e. single-patch and double-patch dual-mode band reject filters are presented with simulated and measured results.
         
        
            Keywords : 
microstrip filters; network topology; notch filters; band reject filter; band stop filters; circuit modeling; circuit topologies; dual-mode filter; full-wave electromagnetic simulations; microstrip filter; notch filters; triangular patch resonators; Band pass filters; Circuit simulation; Circuit topology; Couplings; Microstrip filters; Microstrip resonators; Microwave filters; Narrowband; Resonance; Resonator filters;
         
        
        
        
            Conference_Titel : 
Microwave Symposium Digest, 2005 IEEE MTT-S International
         
        
        
            Print_ISBN : 
0-7803-8845-3
         
        
        
            DOI : 
10.1109/MWSYM.2005.1516781