Title :
Capacitively compensated high performance parallel coupled microstrip filters
Author_Institution :
ITT Gallium Arsenide Technol. Center, Roanoke, VA, USA
Abstract :
A capacitive compensation technique is described for the design of microstrip parallel coupled filters with improved passband symmetry and very low spurious response up to 2.5 times the center frequency. The compensated structure does not require any extra computer-aided design tools and is compatible with monolithic microwave integrated circuit technology. The technique is useful for the design of filters on alumina as well as GaAs substrates. Two design examples are considered.<>
Keywords :
band-pass filters; compensation; microwave filters; passive filters; strip line components; Al/sub 2/O/sub 3/; Al/sub 2/O/sub 3/ substrates; GaAs; GaAs substrates; MMIC technology compatibility; alumina; capacitive compensation technique; compensated structure; low spurious response; monolithic microwave integrated circuit; parallel coupled microstrip filters; passband symmetry; Band pass filters; Capacitors; Frequency; Gallium arsenide; Impedance; Low pass filters; Microstrip filters; Microwave filters; Passband; Resonator filters;
Conference_Titel :
Microwave Symposium Digest, 1989., IEEE MTT-S International
Conference_Location :
Long Beach, CA, USA
DOI :
10.1109/MWSYM.1989.38816
