FIELD: physics.
SUBSTANCE: microstrip filter has a dielectric substrate on one side of which an earthed base is deposited and on the second side of which parallel straight strip conductors of resonators are deposited, said conductors being connected electromagnetically and inductively, and additional strip conductors whose lateral sides are connected to neighbouring resonators. Only conductors of external resonators are short-circuited by one end. The additional strip conductors are open-circuited.
EFFECT: wider radiofrequency stop band of the microstrip bandpass filter and smaller size thereof.
3 dwg
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