News from Rohde & Schwarz New test technology for module production Digital monitoring direction finders for HF to UHF ecoTV: solid-state transmitters set the pace in terms of economy 150 It is with deep sorrow that we say a last farewell to the highly esteemed senior partner and co-founder of our company Dr. phil. nat. Dr. E. h. Hermann Schwarz who passed away on 10 November 1995 at the age of 87. Executive Board, Company Management, Employees and Workers’ Council of ROHDE & SCHWARZ GmbH & Co. KG Dr. Hermann Schwarz, a pioneer of test and communication engineering “60 years Rohde & Schwarz – contributed to his decision to study they laid the foundation for the compa- 60 years of a life dedicated to Rohde natural sciences following grammar ny Rohde & Schwarz, an international & Schwarz” – this is the heading school in Nuremberg. He began his enterprise, which today employs more Dr. Hermann Schwarz chose for an studies of physics, mathematics and than 4,000 people and is still inde- article in “Zeitzeichen”, the inhouse geophysics in Heidelberg, continued pendent. magazine for Rohde & Schwarz in Munich - the time he spent here was employees, on the occasion of the certainly one factor in his decision to While R&D in the laboratory – with a company’s 60th anniversary. Now, set up business in this city a few years focus on impedance and dissipation- only two years later, this life has later – and finished in Jena, where he factor measurements – still made up ended. Dr. Dr. E. h. Hermann Schwarz attended lectures by Prof. Esau and the bulk of Hermann Schwarz’s work passed away in his 88th year on the Max Wien, met his future friend and in the first few years, he was also from evening of 10 November 1995. partner Lothar Rohde and received his the beginning responsible for organ- doctorate in 1931. Finding a job was izational and administrative tasks. As Born in the old free city of Nördlingen very difficult for young physicists in both the staff and premises of the en- in Swabia in 1908, he was to live a time of economic depression, so terprise expanded, he had to dedicate through all ten decades of the 20th the two friends stayed on at university more and more of his time to com- century, turbulent and history-laden as for two more years. The contacts to pany policy with regard to personnel they were. His youth in his hometown industry they made there, however, and management, which on the other and the holidays he spent on the farms encouraged them to set up their own hand encouraged his solid talents of relatives in the nearby country were enterprise in Munich in 1933. With for business. It had been his idea, for the basis for his life-long and deeply the Physico-technical Development instance, that designs developed by felt love of nature, which probably Laboratory Dr. Rohde & Dr. Schwarz Rohde & Schwarz should not be sold but produced by the company itself. expansion of the group on both the had evolved from his early love of Acquisition of the premises at Tassilo- domestic and international market, in nature and which he cultivated enthu- platz in Munich in 1937 again showed particular by building up a large sales siastically thus finding recreation from his grasp of future perspectives. As network in Europe, Asia and America. the stress of everyday work. the price for the new premises was This gave him a chance to get to know almost twice the small company’s other countries and peoples and to Understandably, his invaluable con- balance-sheet total of the previous acquire friends around the world. Just tribution to society was officially year, this venturesome step was a true like his employees, they admired him recognized. As early as 1959 the entrepreneurial decision which can be for his charm, honesty and sense of Technical University of Munich ap- seen as the next milestone following social responsibility, but also for his pointed Dr. Schwarz honorary sena- the start of the company. The company ability to formulate cogent arguments, tor. He was also a commercial judge was now ready for further growth, for his extraordinary knowledge of for many years, and in 1971 became and at the outbreak of World War II history and almost endless supply of honorary consul of the Republic of already had 100 employees. For quotations. Iceland. Besides other decorations he many major firms in the communica- was awarded the Bavarian Order of tions sector R&S was the regular sup- Hermann Schwarz showed again Merit, the Commander’s Cross of the plier of the test equipment they needed that he was very much aware of his Order of Merit of the Federal Republic for production. As a consequence, responsibility for the future of the com- of Germany, the Medal for Contribu- R&S soon ran out of space, so the pany by making provisions for suc- tions to the Bavarian Economy and the Tassiloplatz building had to be ex- cession in 1971 in order to be able Golden Medal of Honour of the City of tended and new buildings added. In to cope with any possible course of Munich. For his exemplary industrial those years Hermann Schwarz was affairs or risks. After his son Friedrich policy he received the Seal of the City confronted with difficult decisions such had completed his education and train- of Memmingen in 1984 and became as the city council’s plans to relocate ing with excellent results, Hermann honorary citizen of Teisnach. It was the company or the need to find new Schwarz appointed him to the Ex- particularly gratifying for Hermann production sites after air raids had ecutive Board, allowing himself to re- Schwarz to become honorary doctor caused damage. These questions were duce his personal involvement in man- of his former university in Jena in 1991 of significance for the very existence agement tasks and hand over respon- after German reunification. of the company and its employees, sibility step by step. When he finally Albert Habermann who by then numbered several gave up Human Resources – his last hundreds. The partnership of the two field of work – he left behind an area owners was also put to many a test but of management that had particularly proved to withstand all difficulties. benefited from the extraordinary hu- manness of his character for decades. At that time, true entrepreneurial vision The fact that he always demanded was required to maintain one’s power very high standards of his own work of judgement despite all political and with people made him fit as a role economic problems. The same is true model. This was something his em- of the time of post-war reconstruction ployees could always feel; he inspired that followed, although it provided a their confidence by having confidence much more gratifying basis. The posi- in them. Throughout his life he com- tive economic trend was reflected in bined entrepreneurial leadership with the purposeful yet careful expansion humanist values and thus acquired a of the new plant on Mühldorfstrasse father-like aura for many in the com- in Munich. It was at this stage that pany. Employees and friends always Hermann Schwarz could explicitly put treasured his fairness, his deep knowl- to use his entrepreneurial flair. The edge of human nature, his love of life, decisions to set up Messgerätebau his tolerance, his charm, which was GmbH in Memmingen, the R&S plant visible through an often patriarchal in Cologne, sales offices in various surface, and his exemplary esteem for locations and later the production family ties. These qualities enabled plant in Teisnach in the Bavarian For- him to make friends not only in his im- est are further milestones that give mediate surroundings but also among evidence of Hermann Schwarz’s in- people he met pursuing his hobbies, itiative. Another important area was namely hunting and fishing, which Number 150 1996/I Volume 36 In RF measurements, network analysis is the most important task beside spectral analysis and test signal generation. Rohde & Schwarz has launched a complete family of top-grade vector network analyzers, namely entry-level model ZVRL, standard model ZVRE and general-purpose model ZVR – in short, the perfect solution for any requirement and any budget (see article on page 6). Articles Dr. Olaf Ostwald; Vector Network Analyzer Family ZVR Christian Evers To the heart of the chart .......................................................6 Dr. Lothar Tschimpke LaserVision System LV1 Optical insertion testing combined with classic board test .....................10 Klaus Kundinger; Universal Test System TSU Dr. Lothar Tschimpke Versatile test platform for production and service of electronic modules.........13 Michael Lehmann; TV Monitoring and Test Systems TS6100 Gerhard Strauss Video and audio parameters of TV transmitters all under control ...............16 Josef Wolf Spectrum Analyzer FSE with Option FSE-B7 Vector signal analysis – indispensable in digital mobile radio..................19 Franz Demmel; Ulrich Unselt; Digital Monitoring Direction Finders DDF0xM Dr. Eckhard Schmengler State-of-the-art monitoring direction finding from HF to UHF ...................22 Hans Seeberger Solid-state UHF TV Transmitter NH500 The new reference for TV transmitters: ecoTV..................................26 Franz Demmel; 150-W HF Dipole HX002A1 Axel Klein The antenna for reliable shortwave links ......................................29 Application notes Albert Winter Test signals for digital television ..............................................32 Michael Manert; Wilfried Tiwald BER measurements with Base-Station Test System TS8510 .....................34