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Discover the rich history and cutting-edge services of TESLA, a pioneer in transmitting technology. From the establishment in 1921 to the latest DVB-T transmitters and antenna systems, explore a legacy of innovation.
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Prezentace portfolia TESLA, akciová společnost TESLA Hloubětín JSC Presentation 2015 Transmitting technology
History • 1921 - company Electra was established • 1932 - the company was bought by Philips - production of radio receivers • 1945 - production of light bulbs, vacuum tubes and radio receivers started • 1946 - national enterprise called TESLA, low voltage, and electronic plants were established • 1953 - production of transistor radio receivers started • 1958 - put into operation the first television transmitter and the firstdirectionalconnectiondone • 1991 - privatization, the company became joint-stock • 2008 - majority of Irish financial company • 2012 - TESLA company is back in the hands of Czech
TESLA technology in the world Historie
Products and services Antény a vysílače DVB-T • Custom turn key solution, advisory, production, installation and service of antenna units and antenna systems for TV and radio bands (A-TV, DVB-T, FM, T-DAB etc.) • Design, production, installation and service of antenna system steel supporting structures or masts • Maintenance and repair of older antenna systems, technical analyses of current situation considering further use or recovery • Design, measuring, production, installation of coaxial cables, rigid lines and accessories • Design, production, installation of passive elements (coaxial splitters, lines, filters, etc.)
Antenna systems Antény a vysílače DVB-T SIDE TOWER DIMENSIONS TOWER SECTION TV DVB-T FM T-DAB Frequency bands: IV.-V. TV 500 – 650 mm I. TV band (48 – 66 MHz) Ch1, Ch2 FM (87,5 – 108 MHz) III. TV band (174 – 230 MHz) Ch6 – Ch12 T-DAB (174 – 240 MHz) IV.-V. TV band (470 – 860 MHz) Ch21 – Ch69 III. TV 1500 – 1750 mm UKF-FM 2200 – 3200 mm Input impedance: 50 Ω Maximum wind speed: 220 km/h Range of temperature (°C): -40÷ +60
Antenna systems • I. and III. TV band, FM and T-DAB – antenna units without reflector – panel antenna units (tube reflector) • IV. - V. TV band – panel antenna units (metal plate reflector) – superturnstile antenna systems • Horizontal, vertical and circular polarization
Antenna systems - parameters • Wide range of standard radiation patterns • Special design of radiation patterns according to requirements • Omnidirectional and directional solution • Stainless steel design of antenna units • Hot dip galvanized steel support structure • Side or top way of mounting
Antenna systems - development • Design and production of new types of antenna units, coaxial parts of feeding network as splitters, elbows, lines • Modern computer software CST Microwave Studio
Antenna systems - services • Design of custom antenna systems • Installation, start up and supervision • Warranty and customer service • Expert reports of antenna systems
DVB-T Transmitters • DVB-T TRANSMITTERS -Output power 2,5W to 5kW • Network Manegement and Control System -via RS232 or TCP/IP interface • Wide range of output powers from 2W to 5kW in VHF and UFH frequency bands • Encoding and modulation in accordance withEN 300 744 • Suitable for SFN or MFN networks • Liquid or air cooling system • Reliable operation • Possibility Remote control monitoring and controlvia RS232 or TCP/IP interface
Full range of FM transmitters • (Made in cooperation) • FM TRANSMITTERS -Output power 100W to 5kW • Arrangement – N+1, 1+1, Dual Drive • Wide range of output powers from 100W to • 5kW in VHF frequency bands • According to standards • 1999/5/CE (R&TTE) ETS 302 018 (EMC) ETS 300 384 (Radio) NF EN 60215 (Safety) • Liquid or air cooling system • Reliable operation • Possibility Remote control monitoring and Control by TCP/IP
References • Sagem SA - delivery of D3 a D4 diplexers, GYSEL splitters, France • Telefónica O2 Czech Republic, a.s. - lease of 2 DVB-T transmitters 400W for experimental digital terrestrial broadcasting , Prague and FNB Brno, Czech Republic • České Radiokomunikace a.s. - deliveries of RF spare parts, coaxial parts, coaxial rigid lines, accessories, related services, etc., Czech Republic • TP EmiTel Sp. z o.o. - turn key delivery of antenna system for digital terrestrial broadcasting RTON Zakopane, RTCN Zamość, RTCN Bialystok, Poland - technical expertise of antenna system on the object Ziełona Góra / Jemiołow, RTON Jelenia Góra / Śnieżnie Kotły, Poland • Contineo, s.r.o. - delivery of transmitter DVB-T/H 200W and related antenna system with vertical polarization Žilina, Slovakia • RS TV S.A. - turn key delivery of antenna system for digital terrestrial broadcasting TON Łódź EC Dalkia, RTON Kielce EC, Poland • A. FURRER AG - turn key delivery of antenna system for digital terrestrial broadcasting SLR Chruszczewka, RTON Lomža, RTCN Płock / Rachocin, RTON Jelenia Góra / Śnieżnie Kotły, Gdaňsk Chwaszczyno, RTCN Siedlce / Losice, Kazimierz Dolny / Góry I SLR, Dobromierz SLR, Wierzbica Górna / Radio Maryja, Lanieta / Centertel, Damaslawek / Plus 2, Poland
Contacts Kontakty Company address : TESLA Hloubětín JSC Poděbradská 186/56 Praha 9 – Hloubětín 198 00 Telephone : +420 603 177 204 Fax: +420 266 107 605 E-mail: bostik.tomas@tesla-hloubetin.cz