Coupling device for coaxial cable and antenna apparatus

Details Coupling device for coaxial cable and antenna apparatus Coupling device for coaxial cable and antenna apparatus

1995-04-11

1998-03-31

Wimer, Michael C.

Communications: radio wave antennas

Antennas

With coupling network or impedance in the leadin

343715, 343860, 333 25, 333 33, H01Q 132, H01Q 150

Patent

active

057343551

ABSTRACT:
A coupling device for coaxial cable which can maintain coaxial transmission mode of low loss is provided. In the coaxial cable coupling device of the capacitor coupling type, in the case where center conductor coupling electrodes for connecting between center conductors of the coaxial cables and external conductor coupling electrodes for connecting between external conductors are used, electric length of the external conductor coupling electrode is set to length of substantially one fourth (1/4) wavelength, or length of multiple of odd number of substantially one fourth (1/4) wavelength of a passing signal. Thus, transmission by the coaxial transmission mode is carried out at an extremely low loss.

REFERENCES:
patent: 4621243 (1986-11-01), Harada
patent: 4764773 (1988-08-01), Larsen et al.
patent: 4992800 (1991-02-01), Parfitt

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