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2 194 375

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IPC

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Application

2001114117/09, 2001-05-23

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Start date

2001-05-23

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Actual filing date

2001-05-23

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Published

2002-12-10

(72)

Inventor

Korulin V.N.Soldatenkov A.N.Malashin V.I.Ivanov V.N.Pisarev S.B.Shebshaevich B.V.

(73)

Holder

Dochernee Gosudarstvennoe Unitarnoe Predprijatie Tsentr Sputnikovykh Koordinatno-Vremennykh Tekhnologij Federal'Nogo Gosudarstvennogo Unitarnogo Predprijatija Institut Radionavigatsii I Vremeni"

RADIO ELECTRONIC UNIT Russian patent published in 2002 - IPC

Abstract RU 2194375 C1

FIELD: radio electronics industry. SUBSTANCE: invention is meant to develop radio electronic units intended for reception and processing of signals of satellite radio navigation systems. Technical result of invention lies in suppression of spurious noise caused by dense mounting of electron and radio components of different types on single multilayer printed circuit board and usage of one external power unit for their supply. In proposed radio electronic unit carrying multilayer printed circuit board printed conductors, contact lands, electron and radio components and connectors for external connection are located in outer conducting layers of multilayer printed circuit board, other printed conductors are positioned in inner conducting layers of it. Electronic and radio components are grouped in zones. First zone is employed to position electronic and radio components meant for reception and frequency conversion of signals, second zone houses electronic and radio components used for digital signal processing. First and second shielding grounding planes made in inner second and next to last layers correspond to first zone, third shield grounding plane and supply plane correspond to second zone. Supply conductors of first zone concentrated in one inner conducting layer located between inner second and next to last layers with total number of inner conducting layers three as minimum come in the form of printed conductors diverging as beams from branching node situated within boundaries of first zone and presenting equipotential land. Grounding lands connected to first and second shielding grounding planes are manufactured here too on free sections of area. Branching node is connected to output lead of first supply filter which input lead is connected with the use of separate printed conductor to output lead of second supply filter to which supply plane related to second zone is also connected. EFFECT: suppression of spurious noise caused by dense arrangement of electronic and radio components of different types on multilayer printed circuit board. 3 cl, 8 dwg

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RU 2 194 375 C1

Authors

Korulin V.N.

Soldatenkov A.N.

Malashin V.I.

Ivanov V.N.

Pisarev S.B.

Shebshaevich B.V.

Dates

2002-12-10—Published

2001-05-23—Filed

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