MODULE OF SIGNALS RECEIVER IN SATELLITE RADIO NAVIGATION SYSTEMS Russian patent published in 2010 - IPC H05K1/14 H05K1/18 

FIELD: radio engineering.

SUBSTANCE: module comprises multi-layer printed circuit board with conducting and insulating layers and metallised holes, which are used to provide interlayer electric connections, and board carriers printed conductors and electric radio elements of electric circuit intended for reception and processing of signals in satellite radio navigation systems (SRNS), coming from external source of signals. Printed conductors and electric radio elements related to units of analog signal processing are grouped in zone, which occupies group of upper conducting and insulating layers of multi-layer printed circuit board. Printed conductors and electric radio elements related to units of digital signal processing are grouped in zone, which occupies group of lower conducting and insulating layers of multi-layer printed circuit board. Intermediate zone with screening ground planes, which occupies group of medium conducting and insulating layers in multi-layer printed circuit board, is arranged between zones of analog and digital signal processing. Multi-layer printed circuit board consists of three joined multi-layer fragments - upper, medium and lower ones. Upper fragment includes group of upper conducting and insulating layers of multi-layer printed circuit board related to zone of analog signal processing, lower fragment - group of lower conducting and insulating layers of multi-layer printed circuit board related to zone of digital signal processing, and medium fragment - group of medium conducting and insulating layers related to intermediate zone. Medium fragment has H-shaped profile of cross section, which forms inner cavities of multi-layer printed circuit board, where inner electric radio elements are arranged from zones of analog and digital signal processing, installed in lower inner conducting layer of analog signal processing zone and upper inner conducting layer of digital signal processing zone. At the same time in lower external conducting layer of digital signal processing zone there are external electric radio elements of this zone arranged, and in upper external conducting layer of analog signal processing zone there is a ground plane, which forms external screen of analog signal processing zone, and contact sites arranged along edges and serving for external connections.

EFFECT: development of compact module, which requires less area for its location.

21 dwg