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US 2010/0073109 A1Published application
Filtering Device and Related Wireless Communication Receiver
AssigneeWistron Neweb Corp.
InventorsTsan-Chou Wu, Wen-Tsai Tsai, Chih-Chang Ko
Life of this patent
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Abstract
A filtering device includes an isolation substrate including a first plane and a second plane, a micro-strip line deposited on the first plane of the isolation substrate for transmitting signals, and a ground metal layer deposited on the second plane of the isolation substrate for providing grounding. A meander-shaped resonating cavity is formed in an area of the ground metal layer corresponding to an area of the micro-strip line, for generating a rejection band on the micro-strip line.
Claims20
A filtering device comprising:
- an isolation substrate comprising a first plane and a second plane;
- a micro-strip line, deposited on the first plane of the isolation substrate, for transmitting signals;
- and
- a ground metal layer, deposited on the second plane of the isolation substrate, for providing grounding;
- wherein a meander-shaped resonating cavity is formed in an area of the ground metal layer corresponding to an area of the micro-strip line, for generating a rejection band on the micro-strip line.
2 more elements
A wireless communication receiver comprising:
- an antenna, for receiving a wireless signal;
- a wave guide, coupled to the antenna, for enhancing an electric wave of a certain frequency band in the wireless signal;
- a frequency down converter, for reducing a frequency of the wireless signal, to output an IF (intermediate-frequency) signal;
- a baseband processor, for processing the IF signal;
- and
- a filtering device comprising:
- an isolation substrate comprising a first plane and a second plane;
- a micro-strip line, deposited on the first plane of the isolation substrate, for transmitting signals;
- and
- a ground metal layer, deposited on the second plane of the isolation substrate, for providing grounding;
- wherein a meander-shaped resonating cavity is formed in an area of the ground metal layer corresponding to an area of the micro-strip line, for generating a rejection band on the micro-strip line.
8 more elements
Dependencies are inferred from the claim text.