GPS low noise amplifier unit, duplex filter unit and...

Details GPS low noise amplifier unit, duplex filter unit and... GPS low noise amplifier unit, duplex filter unit and...

2006-01-31

2006-01-31

Pascal, Robert (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S032000, C330S302000, C330S306000

Reexamination Certificate

active

06992545

ABSTRACT:
A GPS-cellular hand-set includes a receive antenna; a separate transmit antenna; a power amplifier; a duplex filter unit having an input connected to the receive antenna, a cellular output, and a GPS output; a cellular unit having a receive input and a transmit output, wherein the receive input is connected to the cellular output of the duplex filter unit and the transmit output is connected to the transmit antenna via the power amplifer; and a GPS unit having an input connected to the GPS output of the duplex filter unit.

REFERENCES:
patent: 5117203 (1992-05-01), Tennyson
patent: 5117326 (1992-05-01), Sano et al.
patent: 5507011 (1996-04-01), Chigodo et al.
patent: 5963180 (1999-10-01), Leisten
patent: 5969582 (1999-10-01), Boesch et al.
patent: 6208844 (2001-03-01), Abdelgany
patent: 6430415 (2002-08-01), Agashe et al.
patent: 6628176 (2003-09-01), Okada

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