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TDK Semiconductor extends Ethernet transceiver line

Posted: 11 Jun 2003 ?? ?Print Version ?Bookmark and Share

Keywords:tdk semiconductor? 78q2120? ethernet transceiver line?

TDK Semiconductor Corp. announced that it has extended the availability of its 78Q2120 Ethernet transceiver line and customer designs which allows the porting of new semiconductor processes.

The Ethernet transceiver line is produced using a contemporary CMOS process, and consumes less power. The products are used to connect desktops, laptops, set-top boxes, game consoles, and any other device that needs an Ethernet connection.

It includes an integrated Media Independent Interface, ENDECs, scrambler/descrambler, dual-speed clock recovery, and auto-negotiation functions. The transmitter includes an on-chip pulse-shaper and a low-power line driver. The receiver has an adaptive equalizer and a baseline restoration circuit required for accurate clock and data recovery. The transceiver interfaces to CAT-5 or CAT-3 unshielded twisted pair (UTP) cabling, and is connected to the line media via 1:1 isolation transformers.

Products that were designed to use older versions of the 2120 can be upgraded to use the newer technology without significant investment, re-engineering, or re-qualification of the transceiver. The 78Q2120C is priced at under $4 in 1,000-unit quantities.

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