Telecommunications – Transmitter and receiver at same station – With transmitter-receiver switching or interaction prevention
Reexamination Certificate
2006-07-18
2006-07-18
Milord, Marceau (Department: 2682)
Telecommunications
Transmitter and receiver at same station
With transmitter-receiver switching or interaction prevention
C455S083000, C455S067140, C455S080000, C455S084000, C455S191300
Reexamination Certificate
active
07079815
ABSTRACT:
A transceiver having a transmit/receive switch. The transmit/receive switch includes: a common port adapted for coupling to an antenna element; a transmit port; a receive port and a matched port. The transceiver includes a second switch. The second switch has: a common port adapted for coupling to an input/output port through a gain/phase control unit; a transmit port; a receive port and a matched port. The transceiver includes a balanced amplifier. The balanced amplifier includes a pair of input ports. A first one of the pair of input ports is coupled to receive port of the transmit/receive switch, and a second one of the pair of input ports is coupled to the transmit port of the second switch. The balanced amplifier includes a pair of output ports. A first one of the pair of output ports is coupled to the transmit port of the transmit/receive switch and a second one of the pair of ports is coupled to the receive port of the second switch.
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McCarroll Christopher P.
Pozgay Jerome H.
Daly, Crowley, Mofford & Durkee, LLP.
Milord Marceau
Raytheon Company
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