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Design of high precision temperature control system for TO packaged LD

机译:TO封装LD的高精度温度控制系统设计

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摘要

Temperature is an important factor affecting the performance of TO package LD. In order to ensure the safe and stable operation of LD, a temperature control circuit for LD based on PID technology is designed. The MAX 1978 and an external PID circuit are used to form a control circuit that drives the thermoelectric cooler (TEC) to achieve control of temperature and the external load can be changed. The system circuit has low power consumption, high integration and high precision,and the circuit can achieve precise control of the LD temperature. Experiment results show that the circuit can achieve effective and stable control of the laser temperature.
机译:温度是影响TO封装LD性能的重要因素。为了保证LD的安全稳定运行,设计了一种基于PID技术的LD温度控制电路。 MAX 1978和外部PID电路构成控制电路,该电路驱动热电冷却器(TEC)以实现温度控制,并且可以改变外部负载。该系统电路功耗低,集成度高,精度高,可以实现对LD温度的精确控制。实验结果表明,该电路可以实现对激光器温度的有效稳定控制。

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