Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination
Reexamination Certificate
2001-08-01
2008-10-07
Anderson, Matthew (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Noise or interference elimination
C455S295000, C455S278100, C455S063100, C455S067130, C455S570000, C370S286000, C370S289000
Reexamination Certificate
active
07433665
ABSTRACT:
A communication circuit for an Ethernet or other network transceiver includes a first sub-circuit having a first input which receives a composite differential signal including first and second differential signal components, a second input which receives a differential replica transmission signal, and an output which provides a differential receive signal which comprises the composite differential signal minus the differential replica transmission signal. The communication circuit also includes a second sub-circuit which produces first and second single-ended replica transmission signals which together substantially comprise a replica of the first differential signal component of the composite differential signal and a third sub-circuit, which is coupled to the first and second sub-circuits, and which produces the differential replica transmission signal from the first and second single-ended replica transmission signals.
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Anderson Matthew
Marvell International Ltd.
Yun Eugene
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