Satellite channel interface in indoor unit used for satellite data communication
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 23, 1997
Grant Date -
N/A
app pub date -
Jun 30, 1995
filing date -
Jul 12, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A satellite channel interface (SCI) is constituted by an analog section having a multiplexer unit and a down converter unit, and a digital section constituted by a modulator-demodulator unit. The satellite channel interface has a single printed circuit board on which all of the above units are formed. A rectangular member surrounds the analog section, and a shield cover shields an opening portion of the rectangular member. The single printed circuit board is a multi-layered board constituted by at least three conductive layers, of which the bottom two layers are grounding electrodes. The SCI does not require the terminals and cables which are otherwise necessary, can be made compact, and can be manufactured with the reduced number of processing steps.
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