Low noise block converter feedhorn

Details Low noise block converter feedhorn Low noise block converter feedhorn

2009-03-30

2011-12-27

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

Wave guide type

C343S784000

Reexamination Certificate

active

08085213

ABSTRACT:
A low noise block converter feedhorn (LNBF) is disclosed. The LNBF comprises a PCB, a dielectric resonator oscillator (DRO), a chamber, a tuning screw, and a cover. The DRO is placed on the PCB. The chamber has a first partition, and the first partition is used to cover up the DRO. The chamber further comprises a round hole. The tuning screw passes through the round hole and is then used to adjust the oscillating frequency of the DRO. The cover is used to cover up the tuning screw in order to restrain the DRO from power leakage through the gap in between the round hole and the tuning screw.

REFERENCES:
patent: 5216388 (1993-06-01), Dipoala
patent: 6657505 (2003-12-01), Denis et al.
patent: 6720933 (2004-04-01), Hanlin et al.
patent: 2002/0190804 (2002-12-01), Denis et al.
patent: 2007/0164841 (2007-07-01), Juang et al.
Office Action dated May 27, 2011 issued in corresponding Taiwanese application No. 097125245.

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