1999-2018 INDEX This Index Covers Tube Collector Through August 2018, the TCA "Data Cache" DVD- ROM Set, and the Following TCA Special Publications: No
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Dovw No 62. the Journal of the British Amateur Television Club
D OVw no 62 . The Journal of the British Amateur Television Club THE BRITISH AMATEUR TELEVISION CLUB C . Lacaille 29, Sandall Close, Ealing, W .5 . M .H . Cox 135, Mortlake Road, Richmond, Surrey . B .A .T .C . COMMI1TEE MEMBERS J .T . Lawrence 9 East Avenue, Hon . President S .N . Watson GW6JGA/T Bryn Newdd, Prestatyn, Flintshire, Chairman I . Waters 1, St . Audrey's Way, North Wales . G6KKD/T Lynn Road, Ely, Cambridgeshire . D .S . Reid c/o Hon . Treasurer . Hon . Treasurer M .J . Sparrow White Orchard, J . Royle Keepers Cottage, G6KQJ/T 64, Showell Lane, G3NOX/T Duddenhoe End, GBACB Penn, Wolverhampton . Nr . Saffron Walden, Essex . Hon . Secretary D . Mann 67, West Hill, G60UO/T Wembly Park, G . Sharpley 51, Ambleside Road, G8ADM Middlesex . G6LEE/T Flixton, G3LEE Urmston, Hon . Secretary N . Hampton 19, Grove Crescent, Lancashire . G60UH/T Kingsbury, N .W,9 . S . Woodward 44 Winton Road, Librarian C .G . Dixon Kyrles Cross, G6AAZ/T Reading, Pete rat ow, Berkshire . Ross on Wye, Herefordshire . B . Tebbutt 11, Revel Road, Wooburn Green, Hon . Editor J .E . Noakes 18, Dennis Road, High Wycombe, G6ABA/T East Molesey, Buckinghamshire . G8APC Surrey . C . Chivers Mortimer Street, Hon . Editor A .M . Hughes 16, Wilton Grove, Trowbridge, Wimbledon, S .W .19 . Wiltshire . FOR SALE 45 foot triangular lattice mast complete with fixings 8 over 3 element yagi aerial for 70 ems . 4 over 4 element yagi aerial for 2 metres . Three 3 inch image orthicon tube yokes (focus deflection alignment coils) . C .D .R. mast rotator with control box . Please contact either Hon Secretary . Our Chairman has held a leading position in the field of amateur television including many notable "firsts" in the twenty years or so during which he has been dabling in the art . -
24 COMPACTRON TYPES NOW AVAILABLE Compactrons
24 COMPACTRON TYPES NOW AVAILABLE Compactrons . G.E.’s all-new SET DESCRIPTION CHARACTERISTICS BASING HEATER 12-pin multi-function devices . TYPE MANUFACTURER SIMILAR TO provide increased reliability and 1AD2 Experimental Circuits HV Diode 1J3 High-Voltage Rectifier I2D Q 1.25V 0.2A more compact circuitry than tubes 2AH2 General Electric HV Diode 3A3 High-Voltage Rectifier 12DG 2.5V 0.3A or transistors. This is accomplished, 6AF1 1 General Electric Disstmilar- High-Mu Triode Section (Pins partly, by combining several func Double-Triode 5, 6, and 8) plus 6CX8 I 2DP 6.3V 1.05A tions into a single, low-profile en Pentode velope requiring fewer pins, stems, 6AG11 Experimental Circuits Duplex-Diode 1 2AT7 Twin Triode plus 6BW8 sockets, welds and handling opera Twin Triode Diodes with Separate Cathodes 1 2DA 6.3V 0.75A tions. In a typical AC-DC radio, 3 6AL11 General Electric Dissimilar- 6DT6 (Pins 2, 3, 4, 6, and 7} Double-Pentode plus 6AQ5 12BU 6.3V 0.9A compactrons do the job of 6 tubes Double-Pentode Two 6GM6 Pentodes 1 2DM 6.3V 0.8A or 8 transistors . and do it 6AR11 General Electric 6AS11 General Electric Dissimilar- High-Mu Triode Section (Pins cheaper and easier. Compactrons use Double-Triode 5 , 6/ and 8) plus 6CX8 12DP 6.3V 1.05A about 35% less power than tubes to Pentode perform a given function, yet they 6AV11 Muntz Triple Triode Three 12AU7 Triode Sections 12BY 6.3V 0.6A deliver more power output. Larger 6AX3 General Electric & bulb diameter and 12-pin stems de Muntz Diode 6AX4-GTB Damping Diode 12BL 6.3V 1.2A crease bulb temperature about 15%, 6B10 General Electric Duplex-Diode 1 2AU7 Twin Triode plus 6BW8 as compared to similar conventional Twin Triode Diodes 12BF 6.3V 0.6A tube types. -
How All This Came About
Innovation. Amplified. Chapter 1 How All This Came About by Hartley Peavey s most of you know, electronics have been direction (i.e. a “check valve” that allows electrons to A around a very long time. In the latter part of the flow in only one direction). It had been long known 1800s, Thomas Edison perfected the incandescent that electrons possess a “negative” (-) charge and lightbulb. Edison experimented with thousands of therefore are attracted to anything having a positive combinations of materials before he finally found (+) charge. So the flow of electrons is (and will al- that a small Tungsten filament inside an “evacuated” ways be) from negative to positive. glass container would convert electricity into light. These early bulbs suffered a number of problems, The aforementioned “Edison effect” became widely but generally were perfected enough for general known, and various labs on both sides of the Atlantic use by the early 1890s... After extended use, it was performed extensive research. The modern vacuum discovered that the inside of the clear glass “bulbs” tube utilizes three or more “electrodes” whose effect would gradually darken, thus absorbing much of was discovered in 1903 by an American named Lee the light generated by the incandescent filament. DeForrest. He discovered that if an electrode with Various schemes were tried to reduce this, includ- a negative charge was inserted between the incan- ing introduction of various “Noble” gases, as well descent filament and a positively charged electrode as insertion of other metal conductors in attempts (anode), that the flow of current could be controlled to “drain off” whatever was causing the inside of (modulated), thus causing the device to act like an Edison’s bulbs to blacken after extended periods of “electronic valve”… This is why most of the world use. -
980 Protocol Analyzer User Guide for MHL Compliance Testing
980 HDMI 2.0 Video Generator - User Guide Rev. A11 980 HDMI 2.0 Video Generator Module User Guide Rev: A11 Page 1 October 6, 2017 980 HDMI 2.0 Video Generator - User Guide Rev. A11 Table of Contents 1. About the 980 HDMI 2.0 Video Generator Module 8 1.1 Scope of this User Guide 8 1.2 Changes to this User Guide 9 1.3 What options are available with the 980? 10 1.4 980 User Interface 13 2. Getting Started 14 2.2 What is shipped with the 980 HDMI 2.0 Video Generator module? 14 2.3 Operational workflow for HDMI Video Pattern Testing 14 3. Testing HDMI Displays with the 980 HDMI 2.0 Video Generator module 16 3.1 Workflow for running the video pattern testing of HDMI 2.0 displays 16 3.2 Connector Description 17 3.3 Making the physical HDMI connections 18 3.4 Navigating through the 980 GUI Manager interface 21 3.5 Selecting HDMI or DVI formats 26 3.6 Selecting formats (resolutions) 28 3.7 Configuring the format Settings 38 3.8 Selecting Test Patterns 41 3.9 Testing 3D Displays 48 3.10 Testing UHD Displays with UHD Alliance Test Patterns 53 3.11 Testing 4:2:0 Capable Displays 54 3.12 Testing UHD Displays with HDR Lab Test Patterns 57 3.13 Testing HDR Displays with HDR Test Patterns 87 3.14 Viewing the EDID of a connected display 91 3.15 Viewing the SCDC register contents of a connected display 97 3.16 Selecting audio formats 101 3.17 Testing HDCP 1.4 on a connected display 106 3.18 Testing HDCP 2.2 on a connected display 108 3.19 Configuring and Transmitting Custom Metadata Values with the InfoFrame Utility 114 3.20 Viewing Metadata Packets Transmitted to a Connected Display 124 4. -
INF 3190 Wireless Communications
Department of Informatics Networks and Distributed Systems (ND) group INF 3190 Wireless Communications Özgü Alay [email protected] Simula Research Laboratory Outline • Brief history of wireless • What is wireless communication? • Bottom-down approach – Physical layer : how can we transmit signals in air? – Link layer : multiple access – Wireless impact higher layers? • Wireless Systems – Mobile Broadband Networks – Wifi – Sensor Networks, Adhoc Networks 2 Wireless History • James C Maxwell ( 1831- 1879) laying the theoretical foundation for EM fields with his famous equations • Heinrich Hertz (1857- 1894 ) was the first to demonstrate the wave character of electrical transmission through space (1886). (Note Today the unit Hz reminds us of this discovery). • Radio invented in the 1880s by Marconi • The 1st radio broadcast took place in 1906 when Reginald A Fessenden transmitted voice and music for Christmas. • The invention of electronic vacuum tube in 1906 by Lee De Forest (1873-1961) & Robert Von Lieben (1878 – 1913) helped to reduce the size of sender and receiver . 3 Wireless History cont… • In 1915 , the first wireless voice transmission was set up between New York and San Francisco • The 1st commercial radio station started in 1920 – Note Sender & Receiver still needed huge antennas due to high transmission power. • In 1926, the first telephone in a train was available on the Berlin – Hamburg line • 1928 was the year of many field trials for TV broadcasting. John L Baird ( 1888 – 1946 ) transmitted TV across Atlantic and demonstrated color TV 4 Wireless History cont … • Invention of FM in 1933 by Edwin H Armstrong [ 1890 - 1954 ] . • 1946, Public Mobile in 25 US cities, high power transmitter on large tower. -
Basic Electronics
14 Basic Electronics In this chapter, we lead you through a study of the basics of electronics. After completing the chapter, you should be able to Understand the physical structure of semiconductors. Understand the essence of the diode function. Understand the operation of diodes. Realize the applications of diodes and their use in the design of rectifiers. Understand the physical operation of bipolar junction transistors. Realize the applications of bipolar junction transistors. Understand the physical operation of field-effect transistors. Realize the application of field-effect transistors. Perform rapid analysis of transistor circuits. REFERENCES 1. Giorgio Rizzoni, Principles and Applications of Electrical Engineering, McGraw Hill, 2003. 2. J. R. Cogdel, Foundations of Electronics, Prentice Hall, 1999. 3. Donald A., Neaman, Electronic Circuit Analysis and Design, McGraw Hill, 2001. 4. Sedra/Smith, Microelectronic Circuits, Oxford, 1998. 1 Basic Electronics 2 14.1 INTRODUCTION Electronics is one of the most important fields in existence today. It has greatly influenced everything since early 1900s. Everyone nowadays realize the impact of electronics on our daily life. Table 14-1 shows many important areas with tremendous impact of electronics. Table 14-1 Various Application Areas of Electronics Area Examples of Applications Automotives Electronic ignition system, antiskid braking system, automatic suspension adjustment, performance optimization. Aerospace Airplane controls, spacecrafts, space missiles. Telecommunications Radio, television, telephones, mobile and cellular communications, satellite communications, military communications. Computers Personal computers, mainframe computers, supercomputers, calculators, microprocessors. Instrumentation Measurement equipment such as meters and oscilloscopes, medical equipment such as MRI, X- ray machines, etc. Microelectronics Microelectronic circuits, microelectromechanical systems. Power electronics Converters, Radar Air traffic control, security systems, military systems, police traffic radars. -
1999-2017 INDEX This Index Covers Tube Collector Through August 2017, the TCA "Data Cache" DVD- ROM Set, and the TCA Special Publications: No
1999-2017 INDEX This index covers Tube Collector through August 2017, the TCA "Data Cache" DVD- ROM set, and the TCA Special Publications: No. 1 Manhattan College Vacuum Tube Museum - List of Displays .........................1999 No. 2 Triodes in Radar: The Early VHF Era ...............................................................2000 No. 3 Auction Results ....................................................................................................2001 No. 4 A Tribute to George Clark, with audio CD ........................................................2002 No. 5 J. B. Johnson and the 224A CRT.........................................................................2003 No. 6 McCandless and the Audion, with audio CD......................................................2003 No. 7 AWA Tube Collector Group Fact Sheet, Vols. 1-6 ...........................................2004 No. 8 Vacuum Tubes in Telephone Work.....................................................................2004 No. 9 Origins of the Vacuum Tube, with audio CD.....................................................2005 No. 10 Early Tube Development at GE...........................................................................2005 No. 11 Thermionic Miscellany.........................................................................................2006 No. 12 RCA Master Tube Sales Plan, 1950....................................................................2006 No. 13 GE Tungar Bulb Data Manual................................................................. -
Ifciiiii Y - ' Shidhilibliir..I 1
' -..•■• « > Y - ; iBISIOftllllllfl.J. y B ■ '■ ■ '"•: ■'■■ • - ^": gill !■ ’ - -< Y “ A-. ::5 ' ? ££ „■ £ ■ . ■.■ ...S: .. ;Si®gKS|^^<YSaa ■..::,-:-;.:-.-:r. .. •• . ^•••■ yY^- Y?- - J ■ |.YY3ttgBS i® S«<1Y£y:<:Y’ -v;. :YJn:C;Y£ M... .;■ Y' Ay'y ' Y Y- .. -< Yd'' Y- •■ Y • Y/<YSYS:aag-Y<><YYJ:Y<YYY' Y< &YY ■ Y'< -W®==E4gES&YY®:fe;Y;: igffip£ YyY£Y;;sH^®JY;Y3yY?E::Y: ®s £77 ■■\<Y'<;;Y,Y^aY:£Y.ly YfYY- Syy'y.y ffi|iE?i|ridfflSKSYWSlY77- ■ c j ? <^iYyii®-Y, <> ■;'YYd./”-:Y'''--<®:®' / 1 "•■■■■■■ Y?Y-; - ||BS( ■• - 77/ PM 5-l:z. ’- ': -- ? # S g ffiferd dd ' ■ ■I:rdddd liil SI ■/-®®-YYYy:-''y\yy.';.' .77 : 7/ ■ BY7-Y777 t'd -Yd<Y/>d:rd;Y<'dY ' Y-;®d.......... — . 7 Y'■ ' Y-'y^ . ‘'vd dp.ifciiiii Y - ' sHidHiliBliir..i 1............... H Frontispiece: The Aerial Tower of the B.B.C. Television Transmitter at Alexandra Palace, North London {Courtesy of the B.B.C.) THE PRINCIPLES OF TELEVISION RECEPTION BY A. W. KEEN M.I.R.E.. M.BRIT.I.R.E., A.M.I.E.E. Fellow of the Television Society Formerly Jiesearch Engineer, R.F. Equipment, Ltd. Sometime Chief Instructor, No. 8 Radio School, R.A.F. LONDON SIR ISAAC PITMAN & SONS, LTD. First published 1949 Reprinted 1951 SIR ISAAC PITMAN & SONS, Ltd. PITMAN HOUSE, PARKER STREET, KINOSWAY, LONDON, W.C.2 THE PITMAN PRESS, BATH PITMAN HOUSE, LITTLE COLLINS STREET, MELBOURNE 27 BECKETTS BUILDINGS, PRESIDENT STREET, JOHANNESBURG ASSOCIATED COMPANIES PITMAN PUBLISHING CORPORATION 2 WEST 45TH STREET, NEW YORK SIR ISAAC PITMAN & SONS (CANADA), Ltd. (INCORPORATING THE COMMERCIAL TEXT BOOK COMPANY) PITMAN HOUSE, 381-383 -
7: Society III
A History Of Knowledge What The Victorian Age Knew Chapter 7: Society III Piero Scaruffi (2004) www.scaruffi.com Edited and revised by Chris Hastings (2013) Abolitions • Abolition of slavery in the USA (1861) • Abolition of serfdom in Russia (1861) 2 Democracy • USA: 1865 • France: 1875 • Britain: 1918 • But not for women 3 Puritanism • 1865: The “Salvation Army” • 1873: Anthony Comstock founds the Society for the Suppression of Vice • 1874: The Woman's Christian Temperance Union is founded 4 The Invention Of Childhood • Kate Greenaway (Britain): “Under the Window: Pictures & Rhymes for Children” (1879) 5 Customs • One is a gentleman/lady not by birth but by good manners • The dandy (modeled after Bryan “Beau” Brummell of the 1800s) 6 Private Life Board games of the 1880s 7 Private Life • Moving panoramas: Before cinema and before virtual reality • Robert Baker’s proto-panorama of Edinburgh (1791) • John Banvard: Moving panorama of 1848 • Albert Smith’s panorama of the Mont Blanc, showed more than 2000 times (1852-58) • Moses Gompertz and the Poole brothers’ Myriorama (1890s) Banvard’s panorama 8 Transportation • 1825: Britain inaugurates the first railway in the world • 1840s: Boom of railways in Britain • 1869: The Union and Central Pacific railroads create the first transcontinental railroad • 1885: Gottlieb Daimler and Wilhelm Maybach invent the motorcycle • 1886: Karl Benz builds a gasoline-powered car • 1890: The first electrical subway (London) • 1900: Ferdinand von Zeppelin builds the first rigid dirigible • 1903: Wilbur and Orville -
PHOTOFACT, Technical Service Data
PHOTOFACT, Technical Service Data INDEX SONY Adjustment and Alignment Tools .... 1 Model W-27EXR25 (Chassis SCC-D50F-A) Convergence Adjustments .......... 6 GridTrace Location Guide ABoard .................... .8 ..9 GBoard .................... .9 .8 PBoard-TopBoard ...........8 UlBoard .9 ................... .9 Important Parts Information ........ 10 Miscellaneous Adjustments ......... 6 PartsList ................. 9,10,11 Photos ABoard .................. .7,8 CBoard .................... .9 Cabinet - Rear View ........... 1 CRT Neck Assembly .......... 6 GBoard .................... .9 HBoard .................... .8 PBoard-BottomBoard ..... .7,8 PBoard-TopBoard ........ .7,8 Ul Board ................. .4,9 Complete coverage U2Board ................. .8,9 for servicing a television receiver... ! Troubleshooting Quick-Checks ABoard .................... .7 CBoard .................... .9 l Schematics l Parts lists PIP Adjustments .................. 6 Placement Chart ................. .5 l Component l Troubleshooting Safety Precautions ............... 1 locations guide Safety Related Adjustments ......... 6 Schematics CRT ....................... .2 Control ...................... Coverage includes this additional model and chassis: D/A Converter ................ 2 MODEL CHASSIS MTS Decoder ............... .3 KV-27EXR20 SCC-DSOE-A PIP .......................... 4 Power Supply ................ .4 Television ................... .2 Terminal Guides and Notes ........ .7 Test Equipment ................... 1 Troubleshooting ................... 1 Tuner -
Xx1963-1988 Symp Digest
Preliminary Table of Contents for SID Symposium Digests 1963-1988, Sorted on Lead Authors (authors' company affiliation not listed) Notes: 1 Both "Author" and "Title" fields are truncated The index covers full papers and keynote speeches for SID 2 Symposia from 1963 through 1988; panel sessions, seminars and luncheon speakers are not listed Authors' company affiliations are not 3 shown (to be added) The first ten (10 Symposia were identified by numbers, as follows: 4 2/1963 -#1; 9/63 - #2; 5/64-#3; 9/64 - #4; 2/65 - #5; 9/65 - #6; 10/66 - #7; 5/67 - #8; 5/68 - #9; 5/69 - #10 5/64-#3; 9/64 - #4; 2/65 - #5; 9/65 - #6; 10/66 - #7; 5/67 - #8; 5/68 - #9; 5/69 - #10 5 Color codes indicate aauthors who authors with two ()2) papers werelead authors for multple papers (where they are lead author) authors with three (3) papers Authors with 4 and 5 papers, respectively Year Session # Author(s) Page Title Abbey, C. G.* 1982 142 13 A Visual Simulator Image Generator using a Laser Scanned Model Abdalla, M. I.*; Plumb, J. L.; Hope, L. L. 1984 245 15 Large-Area ac Thin-Film EL Displays Abdalla, M. I.*; Thomas, J. A. 1978 130 14 Low Voltage DC Electroluminescence in ZnS (Mn, Cul Thin- Film Phosphors Abe, A.*; Matsuoka, T.; Tohda, T.; 1985 215 12 AC Thin-Film EL Display with PrMnO3 Black Dielectric Material Fujita, Y.; Nishikawa, M.; Kuwata, J. Abileah, Adi*; Vijan, Meera; Baron, Yair; 1988 420 22 Full-Color Displays with Amorphous-Silicon PIN Diodes Cannella, Vincent; McGill, John; Yaniv, for Military and Avionics Applications Zvi; Ukrainsky, Orest Abramson, N.*; Bjelkhagen, H.; Skande, 1980 224 21 Holographic System for Storing Information Interferometrically P. -
Lee De Forest Claimet\He Got the Idea for His Triode ''Audion" From
Lee de Forest claimet\he got the idea for his triode h ''audion" from wntching a gas flame bum. John Ambrose Flen#ng thought that story ·~just so much hot air. lreJess telegraphy held excit m WIng promise at the beginning of the twentieth century. Peo ~With Imagination could seethe po.. tentlal thot 'the rematkoble new technology offered forworlct1Nk:le com munfcotion. However, no one could hove predicted the impact that the soon-to-be-developed "osdllotlon volve" ond "oudlon" Wireless-telegra phy detector& wauid have on elec tronics technology. Backpouncl. Shortly before 1900, · Guglielmo Morconl had formed his own company to develop wireless telegraphy technology. He demon strated that wireless set-ups on ships eot~ld~messageswlth nearby stations on other ships or on land. t The Marconi Company hOd also j transmitted messages across the EhQ Jish Channel. By the end of 1901. Mar coni extended the range of his equipmenttospantheAtlan1tcOcean. It was obvlgus. 1hot ~raph ~MeS with subrhatlrie cables and ihelr lnber ent flmltations woUld soon disappear, Ships· at sea would no longer be iso la1ed. No locatlon on Eorth would. be too remote to send and receive mes sages. Clear1y; the opportunity existed tor enormous tiOOnciql gain once Jelio ble equlprrient was avoltable. To that end, 1Uned electrical circuits were developed to reduce the band width of the signals produced by ,the spark transrnlf'tirs. The resonont clfcults were also used in a receiver to select one signal from omong several trans missions. Slm~deslgn principles for resonont ontennas were also being explored and applied, However, the senstflvlty and reUabltlty of the devices used to ctetectthe Wireless signals were still hln cterlng the development of commer () cial wireless-telegraph nefWorks.