GSM 900 MHz RF Amplifier/Bandpass Filter Teardown

Tower Mounted Amplifier filter (TMA) for use in mobile base station antenna masts comprising three TMA filter functions, two reception path filters (RX1, RXext) separated by a low noise amplifier (LNA) and one transmission path filter (TXF), implemented by means of coaxial resonator cavities.

ICs are Anaren Xinger II XC0900A-03 coupler useable up to 225 Watt.

Up/Downconversion explained: https://youtu.be/qO127zY3voE?t=865
SAW filters explained: https://youtu.be/qO127zY3voE?t=963
Ceramic bandpass filter explained: https://youtu.be/h9-KhfQM3nI?t=729

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gsm antenna

Mourad ELGORMA

Fondateur de summarynetworks, passionné des nouvelles technologies et des métiers de Réseautique , Master en réseaux et système de télécommunications. ,j’ai affaire à Pascal, Delphi, Java, MATLAB, php …Connaissance du protocole TCP / IP, des applications Ethernet, des WLAN …Planification, installation et dépannage de problèmes de réseau informatique……Installez, configurez et dépannez les périphériques Cisco IOS. Surveillez les performances du réseau et isolez les défaillances du réseau. VLANs, protocoles de routage (RIPv2, EIGRP, OSPF.)…..Manipuler des systèmes embarqués (matériel et logiciel ex: Beaglebone Black)…Linux (Ubuntu, kali, serveur Mandriva Fedora, …). Microsoft (Windows, Windows Server 2003). ……Paquet tracer, GNS3, VMware Workstation, Virtual Box, Filezilla (client / serveur), EasyPhp, serveur Wamp,Le système de gestion WORDPRESS………Installation des caméras de surveillance ( technologie hikvision DVR………..). ,