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  • Embedded Dual-Band GSM Antenna Design
    This application note illustrates how CST MICROWAVE STUDIO (R), Antenna Magus and Optenni Lab can be used in combination to improve an existing GSM tracking device application. The requirement was to. replace an existing "off-the-shelf" antenna on a GSM tracking device with an embedded, integrated
  • Differential VCO Design for GSM Handset Applications
    will attempt to build a. bridge toward better understanding of the differential VCO by. describing a design covering 910-980 MHz which is appropriate. for use in GSM handsets. This design will also demonstrate how. the SMV1493-079 varactor diode, an essential element in this. VCO, may be used
  • Creating GSM /GPRS Power Supply from TPS54260 (.pdf)
    This application report describes how to design power supply for a Global System for Mobile Communications (GSM)/ General Packet Radio Service (GPRS) module.
  • Introduction to Global System for Mobile Communication (GSM): Physical Channels, Logical Channels, Network, and Operation
    Introduction to Global System for Mobile Communication (GSM): Physical Channels, Logical Channels, Network, and Operation. Through a thorough description of key functional sections of a GSM network and how they communicate with each other, you will learn how and why GSM is evolving into 3rd
  • Smart Computing Article - GSM to Gyricon
    Gyricon, the reusable electronic paper developed by Xerox, is nearly thin as a sheet of plastic laminate. First developed in the early 1970s, Gyricon (a Greek term meaning rotating image) is a reusable form of e-paper (electronic paper) designed at Xerox's famed PARC (Palo Alto Research Center).
  • A Dual-Band Switchable IF VCO for GSM/PCS Handsets
    Many of today's handset cellular telephones are multifunctional,. multiband units. They are complex RF systems with frequency. plans requiring multiple RF sources. To accomplish this, the. number of VCOs can be increased, however this is expensive and. requires more PCB area. This approach strongly
  • Using PIC32 MCUs to Develop GSM/GPRS/GPS Solutions
    Technologies that allow both wireless and wired. systems to communicate with other devices of the. same ability are referred to as Machine-to-Machine. (M2M). M2M uses a device to capture an event, which. is then relayed through a network to an application that. translates the event into meaningful
  • What You Don't Know About Industrial GSM/GPRS Modem Communications (.pdf)
    Cellular communications are becoming increasingly popular in industrial process applications where traditional wired and wireless communications are not possible. The cellular network provides access to devices anywhere a cellular connection exists. However, when using cellular communications, a

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