Low noise block PCB mounting system using non-linear...

Details Low noise block PCB mounting system using non-linear... Low noise block PCB mounting system using non-linear...

2005-12-27

2005-12-27

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Coupling networks

Balanced to unbalanced circuits

C333S02100R, C333S137000

Reexamination Certificate

active

06980065

ABSTRACT:
A low nosie block (LNB) system is described which facilitates the mount of printed circuit board (PCBs) with probes attached to an LNB housing. The LNB housing has, in a preferred arrangement, two keyhole-shaped apertures located in the back wall of the waveguide for receiving the probes already mounted to the PCB. The apertures are dimensioned and proportioned to lie on either side of a waveguide septum and to allow probes, when coupled to a printed circuit board, to be inserted through the respective apertures for correct orientation within the waveguide once the printed circuit board is secured to the housing and to allow minimal transmission of electromagnetic radiation through the apertures other than by a transmission line formed by the probes.

REFERENCES:
patent: 4126835 (1978-11-01), Gould
patent: 5245353 (1993-09-01), Gould
patent: 6211750 (2001-04-01), Gould
patent: 135804 (1990-05-01), None

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