N8212BTC

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N8212BTC are communication chips that commonly used to transfer digital signals over twisted-pair cables for Gigabit Ethernet applications. This communication uses two sets of twisted-pair cables; one for transmit, another one for the receive. N8212BTC chips help to reduce common issues caused by the impedance mismatch between the cables and the connectors, and also helps to maintain the data integrity.

N8212BTC also have several pins that are available to connect to peripheral devices. Connecting devices such as magnetics, transformers, photo sensors, or LEDs provide the communication between the N8212BTC chip and the LAN. The photo sensors can detect transmitted data during the transmit sequences while the LEDs can indicate transmissions.

The working principle of N8212BTC mainly involves two parts of building blocks: one is an encoder and the other is a decoder. The operation steps are as follow: The encoder first encodes the input data stream according to the Gigabit Ethernet standard, followed by continuous scrambling and encoding. The encoded data transmit over twisted pair cables and the receiver should perform linear equalization in order to ensure data validity. The decoder will then decode the equalized bit and recover the original data stream.

As mentioned above, the N8212BTC communication chip provides a reliable connection between an end-system and a Gigabit Ethernet. The most important application fields are Fast Ethernet, Gigabit Ethernet, and Fiber Channel since N8212BTC chips can guarantee a stable communication at high data rates. Furthermore, N8212BTC chips also support auto-negotiation, which can reduce system cost and enhance system performance.

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