Designed for Home Phoneline Networking Alliance (HomePNA), the 78Q2131 and 78Q2132 ICs integrated all of the HomePNA analog functions, including transmitter, receiver, band gap, and bandpass filters. These dual-speed transceivers interface to a 1-Mb/s Home LAN and a 10Base-T network.
The 78Q2131 1M8 transceiver is for use in home networking products, while 78Q2132, with its additional 10Base-T functionality, extends Ethernet over POTS. The devices's receivers have an adaptive equalizer and a base-line restoration circuit for accurately recovering clock and data. The MII and GPSI interfaces can also be integrated with external MAC controllers; no external filters are required. In a TQFP or VTQFP, the 78Q2131 and 78Q2132 cost $4.45 and $4.70, respectively.
Company: TDK SEMICONDUCTOR CORP.
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