ArtWall – Overview on the art in the Towers / ArtWall – Übersicht der Kunstausstellung in den Türmen

Check out these db electronics images: ArtWall - Overview on the art in the Towers / ArtWall - Übersicht der Kunstausstellung in den Türmen db electronics
Image by Deutsche Bank Installation of screens in the entrance area of the new Deutsche Bank towers. Here visitors can get information about the international contemporary artists whose works are shown on several floors in the towers. Signatures of the artists. More about art at Deutsche Bank on www.db.com/art-in-the-towers / Bildschirm-Installation im Eingangsbereich der neuen Deutsche Bank-Türme. Besucher können sich hier über die internationalen zeitgenössischen Künstler informieren, deren Werke auf verschiedenen Etagen der Türme präsentiert werden. Unterschriften der Künstler. Mehr über Kunst und die Deutsche Bank auf www.deutsche-bank.de/kunst-in-den-tuermen Image from page 740 of "The Bell System technical journal" (1922) db electronics
Image by Internet Archive Book Images Identifier: bellsystemtechni26amerrich Title: The Bell System technical journal Year: 1922 (1920s) Authors: American Telephone and Telegraph Company Subjects: Telecommunication Electric engineering Communication Electronics Science Technology Publisher: [Short Hills, N.J., etc., American Telephone and Telegraph Co.] Contributing Library: Prelinger Library Digitizing Sponsor: Internet Archive View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: element asindicated in Fig. 5 is not of imj)ortance, if sufficient gain is provided prior tothe actual conversion process, and the ability of this vacuum tube to operateat higher levels is a positive advantage. The electrical circuit design techniques employed in this frequency regionare based on the use of transmission line elements in place of the more orless orthodox luni])ed clement configurations at the lower frequencies. Thedifficulties experienced in i)racti(al designs of radar converters of this typerevolve about successfully terminating and satisfactorily isolating each stageso that confusing and inefficient interaction effects are minimized. THE RADAR RECEIVER 711 The simplified schematic of a typical radio-frequency amplifier whichemploys a GL-2C40 vacuum tube operating at approximately 1000 mc isgiven in Fig. 7, together with an outline of the mechanical arrangement ofthe tuning elements. This amplifier is of the tuned-grid, tuned-plate type ANODE CONNECTION GRIDCONNECTION Text Appearing After Image: ACTUAL SIZE ENLARGED SECTION Fig. 6.—Constructional Features of the GL-2C40 (Lighthouse) vacuum tube. of circuit where the input and output circuits consist of coaxial transmissionline elements tuned by sliding plunger or ring elements, and is so constructedto include the CiL-2C4() tube as an integral part of the tuning structure.The input coupling to the amplifier is achieved by means of a probe extend- 12 HEI.I. SYSTEM I FA IIMCA I. .101 R..L ing into the input or grid cavity and is i)r()i)ortioned for operating out of a5()-ohm im])edance cable connection to tiie radar antenna system. Theoutput coupHng is obtained from a coupling loop located in the region be-tween the grid and i)late concentric sleeves. The gain of this RF amplifierdesign is 12 db when operating at a frequency of approximately lOOO mcand the noise tigure of this component is 14 db. 2.14 The Radar duivcrter The basic converter is illustrated in l^ig. 8 and may be defined as a devicewhich has two input pairs and Note About Images Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.
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