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Design a custom Interdigital Bandpass Filter
These filters are generally limited to frequencies above 200 MHZ
post 22 Apr 2024
Antenna Calculator Links →
Impedance Calculators
These calculators are used by Mantaro engineers and provided freely for your use
J-pole antenna design calculator
For 2 meters, the coil is 4 turns of coax at 5 inches in diameter
J Pole Antenna dimension calculator
The J Pole antenna is a simplified version of the Slim Jim antenna, using the same matching stub principle
Log periodic dipol array
Detail of the end-fed feed of a VHF log periodic dipole array
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These calculators are used by Mantaro engineers and provided freely for your use
For 2 meters, the coil is 4 turns of coax at 5 inches in diameter
The J Pole antenna is a simplified version of the Slim Jim antenna, using the same matching stub principle
Detail of the end-fed feed of a VHF log periodic dipole array
40m Compact 4-Square Antenna Compact 4-Square Antenna – EA5AVL The EA5AVL 40M Compact 4-Square Antenna was designed to provide excellent DX communications on the 40m band
The K9AY loop antenna for 160 and 80m bands You don't have the space to put up a 4 beverage antenna's, an ewe or a 4-square and want 'good ears' on 160 and 80m? no problems try a k9ay loop antenna
Spiderbeam 10-15-20m E' una Yagi tribanda full-size leggera, fatta di tubi in vetroresina e filo