TLK10002EVM

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Evaluation and Demonstration Boards and Kits are tools used by engineers to evaluate, troubleshoot, and rapidly prototype new designs. The TLK10002EVM (Evaluation Board) is one such tool, and it provides a useful platform to explore the different capabilities and functions of its parent product, TI’s TLK10002 transceiver. This article will discuss the application field and working principle of the TLK10002EVM.

The TLK10002EVM is a comprehensive evaluation system for the single-lane SerDes transceiver with integrated DFE (Decision Feedback Equalization) and integrated clock and data recovery functions. This transceiver is used in many applications such as backplane networking, Ethernet, and datacom. It is well-suited for multi-gigabyte data rates, running up to 6.25 Gb/s, and is also capable of providing artifact-free operation with signals in the presence of noise. The transceiver also features low-power operation and supports a wide range of signal swing.

The evaluation board simplifies the process of characterization and testing of the transceiver, allowing engineers to quickly adapt to changes and verify new designs. It provides convenient access to various transceiver characteristics, allowing for measurements of linearity, jitter, loss, equalization, slew rate, signal integrity, and speed. Additionally, the boardcan be used to assess device latency and power consumption, test multilane designs, and verify link partner compliance.

The TLK10002EVM consists of two sections: the transceiver board and the SerDes board. The SerDes board is the input signal generator, evaluation and control system, and also contains the core functionality of the evaluation system – the transceiver module. The transceiver board consists of two ports on each side: the port on the left is used to monitor the transmitted signal, and the port on the right is an input to the device. The evaluation board also includes open drain buffers, LEDs, JTAG port, clocks, and 2 GPIO for user control.

The TLK10002EVM can be programmed to operate in three different modes: single-ended, NRZ (Non-Return-to-Zero Encoding), and dual-mode: differential. The differential mode uses a differential channel model that minimizes transmitted ISI (Inter-Symbol Interference) and enables it to deliver full-featured operation. The board can also be operated with a reduced speed of 6 Gb/s or single-ended with a bandwidth of 5 Gb/s.

The TLK10002EVM also includes an easy-to-use power supply module. This module includes accessories, such as the power adapter and output cables, so that the board can be powered from a single or dual 5 V supply. Additionally, the board has a built-in PWM (Pulse-Width Modulation) generator for controlling the transceiver’s clock and data recovery outputs, enabling users to generate accurately modulated signals in the form of NRZ, pseudo-random, Manchester, bi-phase, MLT-3, and pulse-width encoded waveforms.

Overall, the TLK10002EVM is an excellent tool for testing the TLK10002 transceiver and its capabilities, and it can be used to evaluate the suitability of the transceiver and its performance for real-world applications. Its ease of use allows engineers to get their designs up and running in minimal time, and it provides a versatile platform for testing a wide range of SerDes components and systems.

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