Low-noise amplifying device

Details Low-noise amplifying device Low-noise amplifying device

1998-11-25

2000-08-29

Gensler, Paul

Wave transmission lines and networks

Coupling networks

Balanced to unbalanced circuits

330 66, 333246, H01P 5107

Patent

active

06111474&

ABSTRACT:
In a low-noise amplifying device, an antenna point is attached to a tip portion of a microstrip line and an end surface of a printed wiring board. The printed wiring board is fixed to a chassis by a screw, a rivet, a projecting portion of a frame or a conductive adhesive in the vicinity of a connection of the antenna pin to the microstrip line. Thereby, even a slight warp that might exist on the board is corrected, so that adhesion between the board and the chassis is reinforced and the low-noise amplifying device stably operates.

REFERENCES:
patent: 3638148 (1972-01-01), Hallford et al.
patent: 4631505 (1986-12-01), Schiavone
patent: 4675623 (1987-06-01), Nowak et al.
patent: 5280253 (1994-01-01), Deki et al.

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