BAND-PASS MICROWAVE FILTER Russian patent published in 1995 - IPC

FIELD: radio engineering. SUBSTANCE: band-pass microwave filter has two rectangular waveguide sections abutting at their ends transverse metal partition with coupling port, two magnetized gyromagnetic cavities built around insulating rods and mounted coaxially in respect to coupling port and is distinguished by that metal partition has slots arranged symmetrically on both sides of coupling port, and insulating rods are secured with gyromagnetic cavities placed in slots; slot dimensions meet relationships given in description of invention. EFFECT: improved rejection beyond passband, mechanical strength, repeatability of parameters. 1 dwg