【摘要】 TI公司的无线收发芯片TRF6900是工作在850~950MHz ISM频段的低功耗无线收发芯片,与普通无线收发芯片相比,非常适合在复杂的电磁环境下实现距离范围在1000米以内的无线移动通信;通过对TRF6900芯片的功能分析,论述了基于该芯片构建远程数据采集系统的原理及实际电路的设计,该系统提高了井下数据采集的速度和灵活方便性;应用结果表明,该系统运行稳定可靠,检测精度高,具有一定的实用性和推广价值。更多还原

【Abstract】 TRF6900,made by TI Company,is a single-chip solution and integrated circuit used as a low-cost RF Transceiver for 850MHz~950MHz ISM Bands.In contrast with those common RF single-chips,TRF6900 is more adaptive to work in a complex environment,which means the environment may be full of electromagnetic interference or the space is restricted.The functions of TRF6900 are analyzed,based on which,the practical application is demonstrated in constructing a wireless mobile communication system used for teledata collection.The system has improve the speed and efficiency of the teledata collection.The result proved that this system is worthy of using underground.更多还原