US Patent 7522886 Radio frequency transceivers

Patent 7522886 was granted and assigned to Amplus Communication on April, 2009 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Amplus Communication

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

75228860

Patent Inventor Names

Lean Wui Leon Koh0

Eng Poh Pang0

Date of Patent

April 21, 2009

Patent Application Number

105080660

Date Filed

August 21, 2003

Patent Primary Examiner

‌

Tuan A Pham

Patent abstract

A radio frequency transceiver having a printed circuit board (PCB) on which are located a plurality of components, the PCB being sandwiched between a base and a cover. The cover having a plurality of components for accommodating each of the plurality of components to separate the plurality of components into a number of virtual modules. All interconnects between the number of virtual modules are in the PCB. The PCB has a radio frequency (RF) layer, a RF ground layer, a direct current (DC) layer, and a DC ground layer. There is a plurality of via holes from the RF ground layer to the DC ground layer to provide virtual RF ground.