Front-end arrangements for multiband multimode communication engines
作者： Janne Kyläkoski , Nigel Martin , Juha Ellä
DOI:
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摘要: A receive front-end module in a multi-band communication device. The device comprises plurality of signal paths for receiving and transmitting signals frequency bands GSM W-CDMA modes. the are operatively connected to common feed point, which is one RF antennas device, selected such that none overlapping. If also transmits at least transmit range partially overlapping with module, switching means provided providing cross-band isolation between transmitted received signals.
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