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Teletronik LTE Filter

Teletronik LTE Filter. What is LTE ? How does LTE interfere with DTT ? How to filter out LTE interference ? Soontai LTE filter. Contents. What is LTE ?. LTE (Long Term Evolution) is a 4 th generation (4G) standard for mobile communication.

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Teletronik LTE Filter

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  1. TeletronikLTE Filter

  2. What is LTE ? How does LTE interfere with DTT ? How to filter out LTE interference ? Soontai LTE filter Contents

  3. What is LTE ? • LTE (Long Term Evolution) is a 4th generation (4G) standard for mobile communication. • Currently 17 communication companies worldwide have adopted LTE, more than 100 more are about to follow. • LTE uses - FDD (Frequency Division Duplexing) and - TDD (Time Division Duplexing) protocols • FDD : LTEbase stations and handheld devices use different bands • TDD : LTE base stations and handheld devices use the same bands

  4. Digital TV Frequency LTE Downlink Band LTE Uplink Band FDD LTE 800MHz Spectrum

  5. How does LTE interfere with DTT ? LTE-800 Transmission Interferance into DTT LTE Base Station

  6. LTE User Equipment

  7. LTE Interference to DTT • When LTE uses the 800 MHz “digital dividend” (Europe 790-864MHz) or the 700 MHz “white space” band (USA 698-806MHz) there will be interference with digital video broadcast signals (DVB-T/ATSC). DTV picture noise: How to solve this problem?

  8. LTE Interferes with DTT LTE signal DVB-T signal TV Antenna LTE Base Station DVB-T signal LTE signal LTE Filter DVB-T set-top box DVB-T signal LTE signal LTE User Equipememt

  9. Teletronik LTE Filter LTE is the 4th generation mobile communication standard. This standard uses the frequency band next to the DVB-T band (790 - 862MHz in Europe, 698 - 806MHz in the Americas), which will lead to interferences with DVB TV or set-top-boxes. According to tests from Ofcom this interference can be eliminated with the help of a high rejection low pass filter. Our LTE Filters pass all requirements to eliminate interferences by LTE signals on digital broadcast reception. As a professional filter designer, teletronik can offer the LTE filter in a variety of packages and frequencies for various markets. Your inquiries are welcome.

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