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Electrónica de comunicaciones


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 todo antenas todo antenas

Antenas para armar, planos de antenas, todo antenas. Antenas seleccionadas por su eficiencia y poca complejidad para su elaboración, modificación o para simple inspiración. Antenas, Esquemas Diseños Comentarios. Descripción sumaria de aluminios y alambres irradiantes.

http://www.todoantenas.cl


 DSPRelated.com DSPRelated.com

Portal for DSP Engineers, with discussion groups and forums, web access to Comp. DSP, a database of DSP books, a list of Career Oportunities, and more.

http://www.dsprelated.com


pdf Antennas for loq power applications

ANTENNAS FOR LOW POWER APPLICATIONS By Kent Smith Introduction: There seems to be little information on compact antenna design for the low power wireless field.Good antenna design is required to realize [. . ]

http://www.techlearner.com/Apps/AntennasLowP.pdf


 electronic projects and electronics tutorials. electronic projects and electronics tutorials.

An electronics tutorial radio design site, to learn about electronics discussing the basics and principles of design then the construction of electronic projects.

http://my.integritynet.com.au/purdic


pdf Digital modulation in communications systems

® Digital Modulation in Communications Systems ­ An Introduction Application Note 1298 2 Introduction This application note introduces the concepts of digital modulation used in many communications systems today. Emphasis is placed on explaining [. . ]

http://www.techlearner.com/Apps/DigitalMod.pdf


 Amateur Vertical Antenna Calculator Amateur Vertical Antenna Calculator

Provided for your use by CSGNetwork. Com and Computer Support Group

http://www.csgnetwork.com/antennaevcalc.html


 G4HFQ Radio Programming Software G4HFQ Radio Programming Software

Memory management radio programming software for Yaesu transceivers and receivers.

http://www.g4hfq.co.uk


 www.comunicacionesinalambricashoy.com www.comunicacionesinalambricashoy.com

Wi-Fi, 802. 11, Mesh, WDS, MIMO, WiMax, IEEE 802. 16, LTE, Punto a punto, Punto a multipunto, Microondas banda licenciada, Online desde 2012.

http://www.comunicacionesinalambricashoy.com


 Telecomunicaciones Cordi, C.A. Telecomunicaciones Cordi, C.A.

Esta sección está dedicada a Ingenieros y Técnicos en Radiocomunicaciones y Telecomunicaciones.

http://www.cordi.com/esp/?ik=6


 DX Atlas: Amateur Radio software DX Atlas: Amateur Radio software

High resolution World Map software for Amateur Radio. Geographic and Azimuthal projection, Ham prefix and QTH lookup, CQ and ITU Zones.

http://www.dxatlas.com


pdf Far field antenna design

This application note provides general design for a far field label antenna. It covers antenna tuning, in order to meet the end applications requirements.

http://www.nxp.com/documents/application_note/097114.pdf


 K8CU Home Page K8CU Home Page

Amateur Radio Station K8CU with well documented technical construction projects and useful techniques for all radio amateurs worldwide.

http://www.realhamradio.com


 Telephone-related ASCII Schematics Telephone-related ASCII Schematics

Esquemas de circuitos relacionados con el teléfono .

http://margo.student.utwente.nl/el/misc/text_cir/f_asci4.htm


 Tu portal de informacin sobre la radioescucha Tu portal de información sobre la radioescucha

Comparte tus frecuencias de radio en onda corta , larga, media vhf y uhf. Foro de discusion de temas de radio

http://www.escanerfrecuencias.es


pdf FM Band Monaural Transmitter

FM Band Monaural Transmitter 22 pF trimmer Use a multi-turn type for easiest frequency adjust. 0. 01 uF near coil 5k 100k 1k pot Audio Input (low-Z) 33 22k KV2201 1 uF [. . ]

http://www.techlib.com/files/fmxmit.pdf


pdf PLL - PHASE LOOP LOCKED - Lazos Enganchados en Fase. (pdf)

Es un circuito que permite que una señal de referencia externa, controle la frecuencia y la fase de un oscilador.

http://www.profesores.frc.utn.edu.ar/electronica/ElectronicaAplicadaIII/Aplicada/Cap02RedesPLL.pdf


 Antennas and propagation :: Radio-Electronics.Com Antennas and propagation :: Radio-Electronics.Com

Resources and analysis about antennas and propagation, and all related topics.

http://www.radio-electronics.com/info/antennas


 The DXZone: ham-radio, shortwave and cb-radio guide The DXZone: ham-radio, shortwave and cb-radio guide

DX Zone directory with 14000 Amateur Radio links, about Ham-Radio radio scanning, cb radio and shortwave listening, antenna homebrewing plans and a complete radio software collection. Include a free classified ads, ham radio reviews and operators directory

http://www.dxzone.com


Electronics and Radio Today for basic electronics and radio information, simple electronics projects and introductory articles.

Electronics and Radio Today for electronics and radio information, projects practical information and introductory articles about basic electronics, simple electronics circuits and radio. Especially useful for those taking GCSE Electronics in the UK and around the world.

http://www.electronics-radio.com


HAM RADIO - AMATEUR RADIO - HAM RADIO INFORMATION, LICENSE INFo!, PLANS - PROJECTS

Amateur (Ham) radio website with information for those who want to be a ham radio operator, new ham and general information for the seasoned ham radio operator. License Study Material, Practice tests, practice code, antenna design, lots of ham radio info for all.

http://www.hamuniverse.com


FCC: Wireless Services: Personal Radio: Personal Radio Services

Personal radio services provide short-range, low power radio for personal communications, radio signaling, and business communications not provided for in other wireless services.

http://wireless.fcc.gov/services/personal


Amateur Radio Books and other Ham Radio Products

Radio Modification Books and Repeater listings and maps, User Manuals and other Great Ham radio products.

http://www.artscipub.com


pdf Most often Asked Questions About QPSK Modulators

Most Often Asked Questions About QPSK Modulators Q: What is the difference between a biphase modulator and a quadrature (QPSK) modulator? A: The biphase modulator has two phase states, 0 degree [. . ]

http://www.minicircuits.com/pages/pdfs/mod11-8.pdf


RF Avenue - PLL Design, Tutorial, Circuits, and Tools -- Phase Locked Loop Software, Books, Book Reviews, ...

Directory of RF & microwave resources for designers of digital wireless communication systems. Includes tutorials, theory, circuit design, products, software, books, book reviews, and more.

http://www.newwaveinstruments.com/resources/rf_microwave_resources/sections/phase_locked_loop_pll_design_circuit.htm


MonsterFM.com / Broadcast Technical Services

If you're in the process of building, maintaining or upgrading an existing AM, FM, LPFM or TV broadcast facility, the resources found in this section are for you. If you want to prepare an FCC license application, amend an existing FCC license application, apply for a new Construction Permit, modify an existing Construction Permit, the resources found in this section are for you. If you need to move or in some way modify the facilities of an existing broadcast station or to perform the allocati.......

http://www.monsterfm.com


palowireless Wireless Resource Center

The palowireless Wireless Resource Center provides a full spectrum of resources for wireless industry professionals. 3G cellular, Bluetooth, headsets, CDMA, EDGE, EMS, GPRS, GPS, GSM, HiperLAN, HomeRF, IEEE 802. 11, IEEE 802. 15, IEEE 802. 16, i-mode, IrDA and infrared, Java, J2ME, LBS, Mobile Phones, OFDM, MMS, personal area networks, Positioning, Radio, Satellite, SMS, Spectrum, SyncML, TDMA, UMTS, UWB, VoiceXML, WAP, WLAN, wireless internet, WPAN, XHTML, ZigBee, resources, development, softw.......

http://www.palowireless.com


Spread Spectrum Scene online: An Extraordinary RF and Wireless Gateway

The Top Spread Spectrum, RF, and Wireless website, Spread Spectrum Scene Online is your best resource for information about Spread Spectrum, RF, CDMA, 3g and Wireless. Our pages are filled with useful tutorial, how-to and reference information for the working RF / Wireless / CDMA / DSP or microwave engineer, high tech investor and layman. .......

http://www.sss-mag.com


Electromagnetic Waves and Antennas

http://www.ece.rutgers.edu/~orfanidi/ewa


The Amateur Radio Computer

Useful formulas for radio amateurs

http://www.qsl.net/yo5ofh/data_sheets/amateur radio computer.htm


Long Wave Radio!

LF news, LF transmitter circuit for 136khz.

http://wireless.org.uk


Theory - Radio

Contents of the Theory Directory.

http://www.epanorama.net/schematicsforfree/Radio/Theory


Antenna Index

TV FM Antenna Index.

http://www.kyes.com/antenna/antennadex.html


pdf Mini-Circuits Application Notes

Modulators - QPSK

http://www.minicircuits.com/pages/pdfs/mod11-2.pdf


FM radio

FM radio, schematic

http://www.electronics-lab.com/projects/rf/005


Projects - RF Circuits

http://www.electronics-lab.com/projects/rf


Radioafición

http://olmo.pntic.mec.es/%7Ejmarti50/portada/radio.htm


HAM Radio Antennas, BALUNS,Sound Card to Radio interface, and Accessories

BUXCOMM, Where Ham Radio Operators Come to Shop

http://www.packetradio.com


MODULACIÓN DIGITAL :FSK, PSK - QAM

http://www.electronicafacil.net/tutoriales/MODULACION-DIGITAL-FSK-PSK-QAM.php


antennas for 136kHz

http://www.qsl.net/on7yd/136ant.htm


Satellite Antenna Tips

http://www.amsat.org/amsat/articles/w6shp/ant_tips.html


SELECTING AND INSTALLING TRANSMISSION LINE

http://www.starkelectronic.com/cmig7.htm


Antenas Parabólicas

http://olmo.pntic.mec.es/%7Ejmarti50/parabolicas/paraboli.htm


CB receiver

http://www.electronics-lab.com/projects/rf/002


Characteristic Impedance of Cables at High and Low Frequencies

http://home.mira.net/~marcop/ciocahalf.htm


EA1DDo, HK1DX, Dubus, amateur radio, ham equipment, ham radio, ham radio antennas, ham radio equipment, ham radio receivers, radio equipment, radioaficion, antenas, antena cubica, quad antenna, yaesu, ft dx9000, drake, tr4, tr7

http://www.ea1ddo.es


VHF Community Radio Electronics - An Introduction

http://www.irational.org/sic/radio/tech.html


PUBLIC TRANSPORT - AMATEUR RADIO - PROJECTS - CB - SHORTWAVE - SCANNING

http://www.alphalink.com.au/~parkerp/project.htm


N4UJW ANTENNA DESIGN LAB - Ham Radio Antennas - Design 0r Build Your own Ham Radio Antenna

http://www.hamuniverse.com/antennas.html



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