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si4133-datasheet
- 该Si4133是一个单片集成电路，既执行IF和双频 RF合成为无线通信应用。在Si4133 包括三个和VCO，环路滤波器，参考和VCO分频器，相位 探测器。除法和可编程掉电设置与threewire 串行接口。-The Si4133 is a monolithic integrated circuit, both the implementation of the IF and dual-band RF synthesis for wireless comm
igui
- 针对软件定义的RF测试和原型设计的PXIExpress可重配置IF收发器-For software-defined RF testing and prototyping PXIExpress reconfigurable IF transceiver
Baseband-optical-based-on-Gigabit
- 提出一种适用于数字微波接力系统的基 带光纤拉远的接口方案 采用高性能千兆以太网物理层芯片 88E1111 和 1.25G 光收发器 SSFF3151 完成基带接口 基带信号可以通过数字光纤传输技术传到远端 并恢复射频信号 介绍了 88E1111 的工作原理 性能 接口等 并给出硬件电路设计的原理 以及各部分的具体实现方法和原理图 -Compared with the traditional RF and IF pulls distant technology the baseband o
Circuit-from-the-ADI-Lab
- 模块时代之ADI实验室电路 它是经过构建和测试可以确保功能和性能的电路设计；它借助ADI公司众多应用专业技术，解决了多种常见的模拟、RF/IF和混合信号设计挑战。-Circuit from the ADI Lab Reference Circuits by Analog Devices
Energy-Efficient-Cooperative-Image-Transmission-(
- We compare the energy efficiency of some transmission schemes in wireless sensor networks. By constraining the system to end-to-end throughput requirements, we assume that the nodes in multi-hop and cooperative schemes operate at a spectral e
multi-standard-radio
- 介绍了一种基于软件无线电技术的多制式电台测试系统。该系统采用了直接射频采样，以硬件实现实时数字下变频与上变频，以软件在零中频信号上实现多制式调制解调的结构，从而可应用于对多制式电台的性能参数自动测量。 -Introduced multi-standard radio test system based on software radio technology. The system uses direct RF sampling, implemented in hardware real-t
SMART-HELMET
- In present time many cases of bike accident can be seen around us. peoples get injured or might be dead and one of the reason is not wearing helmet. Many peoples could save their life in accident cases if they weared helmet at the time of accident. C