Tesat Spacecom
| Tesat-Spacecom GmbH & Co.KG
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|---|---|
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| legal form | GmbH & Co. KG |
| founding | 1949, from 2001 as Tesat-Spacecom |
| Seat | Backnang , Germany |
| management | Marc cutting |
| Number of employees | 1038 (2018) |
| sales | 245 million EUR (2018) |
| Branch | Aerospace Engineering |
| Website | www.tesat.de |
| As of December 31, 2018 | |
The Tesat-Spacecom GmbH & Co. KG ( Tesat ) from Backnang is an independently operating company of Airbus Group designs, manufactures and tests in telecommunication payloads for international satellite manufacturers .
Products
Tesat's product portfolio ranges from individual components to payloads and complete systems. These are supplied by Tesat to satellite manufacturers worldwide. The devices and systems that are manufactured for telecommunications via satellite include high-performance amplifiers such as traveling wave tube amplifiers (TWTA) and their electronic power conditioners (EPC). Other Tesat product segments are channel amplifiers, filters, multiplexers, modulators, transmitters and TTC transponders.
Active products
The "heart" for communication satellites are power amplifiers. Tesat has been developing and manufacturing traveling wave tube amplifiers (TWTAs) and microwave power modules (MPM) for space applications for all common frequency bands since the early 1970s. Today, Tesat is the world market leader in this area and has a market share of over 60 percent (as of 2014). With the production of more than 800 amplifier systems per year, Tesat can almost speak of the series production of space equipment. The entire process from development, production through integration and testing is handled by Tesat in Backnang. The new developments in this area include the Flex MPMs, i.e. the transmission power in space that can be set via telecommand and the flexible MPM (FPM) which is equipped with a serial interface.
Traveling wave tube amplifier (TWTA)
The TWTA consists of a traveling wave tube (TWT), which primarily determines the HF properties, and an Electronic Power Conditioner (EPC), which is responsible for adapting the power and voltage of the TWTA interfaces to the payload bus interfaces. Based on the technology of the current TWTA programs, Tesat-Spacecom has developed a new line of EPCs. The new TWTA family now covers the HF output power range from 10 W to 300 W. The TWTAs are available with radiation-cooled TWTs and also with line-cooled TWTs. The EPCs and TWTAs have been extensively qualified for numerous space applications.
Microwave Power Module (MPM)
The Microwave Power Module (MPM) is a compact transmitter amplifier consisting of an Electronic Power Conditioner (EPC) with an integrated channel amplifier (CAMP) and linearizer (LIN) in one housing. The advantages of the module are obvious. In addition to reduced weight, the assembly area is smaller and integration in the payload is easier to implement. In addition, there is a lower sensitivity of the EMC (electromagnetic compatibility) and only one connection to the MPM for all TM / TC functions and DC voltage supply of the EPC. MPMs are available as both single and dual devices. A TESAT MPM is set up according to a modular concept. Linearizers (L), channel amplifiers (C) or linearized channel amplifiers (LCAMP) in the L, S, C, X, Ku and Ka bands, which have almost identical dimensions and screw points, are installed in the EPC housing.
Electronic Power Conditioner (EPC)
The Tesat EPC family covers the entire DC output power range from 10 to 550 W. The EPC has been developed so flexibly that all traveling wave tubes from various manufacturers can be integrated. For this purpose, the individual supply voltages of the TWT can be optimally set. Both the integration of the tubes and the EPC and the testing of the TWTA will be carried out by Tesat. For an MPM, the channel amplifiers and linearizers are also integrated into the EPC. The EPCs are available as a single to supply one TWT or as a dual to operate two TWTs at the same time.
Production of TWTAs, MPMs, LCAMPs and EPCs
- Capacity of> 100 channels per month
- Delivery times: from 8 months
Technical facts of the TWTAs, MPMs, LCAMPs and EPCs
- L, S, C, Ku, Ka and Q bands
- Can be used for all conventional bus systems
- TM / TC interface is designed for all conventional TM / TC requirements
- Flexible supply voltages
- To operate one (single) or two (dual) traveling wave tubes
- Additional supply voltages for z. B. CAMP, linearizer, DoCon etc.
- Optimized designs for different RF output powers
- Compatible with all space tube suppliers
Heritage
More than 300 TWTA / MPM projects with more than 120 million operating hours have been successfully carried out over the past 40 years.
Laser communication terminals
Tesat has been developing and supplying devices for optical broadband communication in space, so-called Laser Communication Terminals (LCT) , since 1997 . These devices enable point-to-point data connections with high bandwidth. With a range of 45,000 km and transmission rates of more than 5 gigabits per second, communication via laser is 10 times faster than before with radio waves. This makes Tesat the international technology leader in the field of laser communication.
Components Agency
The company has had a components agency since 1972, which organizes up to 500,000 parts a year for internal orders and external companies. Here 65 customers in over 20 countries are supplied or supported in their procurement. All Tesat materials and components are subject to the ECSS standards and are nationally and internationally certified.
history
Companies
- 1949: AEG (Allgemeine Elektricitäts Gesellschaft) telecommunications technology was relocated from Berlin to Backnang.
- 1955: The AEG radio relay division was relocated from Ulm to Backnang and Telefunken GmbH was founded.
- March 1, 1967: AEG Telefunken AG was founded, specializing in space travel and focusing on development, sales, assembly and testing.
- 1982: The company was converted into a GmbH , AEG Telefunken Nachrichtenentechnik GmbH. AEG-Telefunken still had the majority with 51% of the shares, 49% went to a consortium made up of Bosch , Mannesmann and Allianz .
- 1983: As part of the settlement application by AEG-Telefunken , the group's share was withdrawn from the three co-shareholders and divided in the same proportion to the previous shareholders. The company was now run under the name ANT Nachrichtenentechnik GmbH.
- 1995: The transfer of ANT Nachrichtenentechnik GmbH to Bosch Telecom GmbH took place.
- 2000: The Bosch aerospace product division was incorporated into an independent company, Bosch SatCom GmbH.
- 2001: The foundation of Tesat-Spacecom GmbH & Co.KG: In November 2001, Bosch SatCom GmbH was renamed Tesat-Spacecom GmbH & Co.KG and acquired by EADS Astrium GmbH in December 2001 . Tesat was expanded for the production of telecommunications payloads for satellites and remained an independent company.
Important projects
- 1971: AEG Telefunken AG started its first space project called Intelsat IV.
- 1989: Together with MBB / Erno , which became part of Deutsche Aerospace Aktiengesellschaft (DASA) in 1990 , ANT Nachrichtenentechnik completed the first complete satellite project: DFS-Kopernikus .
- 1997: Bosch Telecom GmbH started large-scale production of traveling wave tube amplifiers with the Tempo project .
- 2006: Tesat supplied the radar amplifier subsystem and the data transmitter for the German SAR-Lupe satellite reconnaissance system , a Bundeswehr project .
- 2007: The research satellite NFIRE the US Air Force has been using a Laser Communication Terminal equipped (LCT) Tesat-Spacecom. During an optical test connection between NFIRE and TerraSAR-X , a German earth observation satellite , in March 2008 , a successful laser data connection with 5.5 Gbit / sec could be established for the first time , this corresponds to 200,000 A4 pages per second.
- 2014: As part of the European Data Relay Satellite System , a Laser Communication Terminal (LCT) from Tesat-Spacecom was used for the first time to establish an optical inter-satellite link between a geostationary satellite and a low-flying LEO satellite.
Web links
Individual evidence
- ↑ a b Annual financial statements as of December 31, 2018 in the electronic Federal Gazette
- ↑ a b Tesat-Spacecom (Ed.): Corporate divisions . Active products. ( HTML [accessed February 17, 2012]). HTML ( Memento of the original from February 24, 2012 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.
- ↑ Federal Ministry of Economics and Technology BMWi (ed.): Schlaglichter der Wirtschaftsppolitik - Monthly Report 02/2008 . For the earth into space - satellites for earth observation and communication in Germany. ( HTML [accessed February 17, 2012]). HTML ( Memento from December 13, 2011 in the Internet Archive )
- ^ OHB (Ed.): SAR-Lupe is taking shape . High-performance amplifier successfully demonstrated / construction of the first flight model started in the new hall. December 19, 2003 ( HTML [accessed June 5, 2018]).
- ↑ Astrium (Ed.): TerraSAR-X laser communication terminal successfully tested . ( Page no longer available , search in web archives: HTML [accessed February 17, 2012]).
