Juan Carlos Martínez-Quintero, Edith Paola Estupiñán-Cuesta, Vı́ctor Daniel Rodŕıguez-Ortega
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引用次数: 4
Abstract
Radio frequency signal generators (RF) are instruments used to test reception equipment and RF components like filters, amplifiers, attenuators, among others. On the other hand, they reinforce the teaching-learning processes and they are widely used in research in the telecommunications field. This document provides the first stage of a low-cost signal generator design by using RaspBerry Pi 3, with the documentary exploration about this kind of applications. After that, a recognition of the RaspBerry Pi 3 is done at hardware and software level. Finally, an application of an FM signal generator with RaspBerry in a frequency of 101.3 MHz is evaluated, which does not require any additional hardware. This signal was captured using a spectrum analyzer, which determined good quality of the modulated signal in terms of power, bandwidth and SNR (Signal Noise Ratio). However, there are some unwanted harmonic components
射频信号发生器(RF)是用于测试接收设备和RF组件(如滤波器、放大器、衰减器等)的仪器。另一方面，它们加强了教学过程，并被广泛应用于电信领域的研究。本文档提供了使用RaspBerry Pi 3的低成本信号发生器设计的第一阶段，以及关于这类应用的纪录片探索。之后，对树莓派3的识别是在硬件和软件层面完成的。最后，在不需要任何额外硬件的情况下，对频率为101.3 MHz的调频信号发生器的应用进行了评估。该信号是用频谱分析仪捕获的，在功率、带宽和信噪比方面确定了调制信号的良好质量。然而，存在一些不需要的谐波分量
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