The ARRL Handbook for Radio Communications The ARRL Handbook for Radio Communications ... • Schematic capture and printed circuit ... There is also a CD-ROM at the back of the

  • Published on
    01-May-2018

  • View
    218

  • Download
    5

Transcript

  • 72 MONITORING TIMES January 2011

    The ARRL Handbook for Radio Communications Thisisabookthatmostradioamateurslookforwardtoeveryyearbecauseitsmanyusesintheradioshackarelegendary.Formorethaneightdecades,The ARRL Handbook for Radio Communicationshasempoweredradioamateursandprofessionalsalikewithitsclas-sicdo-it-yourselfapproach,earningaposition

    onworkbenches andoperating desks aswell as in technicallibraries and institu-tions. T h e A R R L Handbook is partreference library andpart applied theory,filledwith practicaltreatments of basic

    electronicfundamentals,RFdesign,digitalandsoftwareradiotechnology,andantennacon-struction.Itstrikestheperfectbalancebetweenpresentationoftime-testedmaterial,coverageoftheever-expandingscopeofamateurradio,andcutting-edge,experimentaltechnology. Thenew2011Handbookhasbeensig-nificantly enhanced, featuring newprojectsandthemostup-to-dateinformationavailableanywherefor theelectronicenthusiast.Newtopicsinthiseighty-eightheditioninclude: Schematic capture and printed circuit (PC)

    board layout Amplifier tuning and maintenance, using

    surplus amp parts Restoring vintage equipment Remote station designNewprojectmaterialinthiseditionincludes: Microprocessor-based SWR Monitor-Meter

    by Larry Coyle, K1QW LTspice simulation files for basic electronic

    circuits Selecting the right battery for mobile opera-

    tion Thiseditionalsohascontentthathasbeenexpandedfrompreviouseditionsincluding: New from Dr. Ulrich Rhode, N1UL: Oscilla-

    tor and mixer circuit designs, HF mixer test-ing, VHF down-converter front end design, and Radio Frequency circuit simulation.

    Fifty percent more content on RF Interfer-ence, including digital TV, power line noise, and automotive RFI.

    Transmitting choke material consolidated for easy reference.

    ThereisalsoaCD-ROMatthebackofthebookthatincludesallofthefullysearchabletextand illustrations in theprintedbook,aswellascompanionsoftware,PCboardtem-platesandothersupportfiles.InordertousethisCD-ROMyouwillhavetohaveWindowsXP,WindowsVistaorWindows7,oranyoftheMacintoshoperatingsystems,usingAdobeAcrobatReadersoftware.TheAcrobatReaderisafreedownloadatwww.adobe.comandthe

    PDFfilesonthisCD-ROMareLinuxreadable. This 1,416 page book is available inhardcoverandsoftcovereditionsandweighsinatover6-1/2pounds.Thepriceforboththehardcover(alimitedtimeonly)andsoftcoverbooksis$49.95plusshippingandhandling.

    The ARRL Guide to Antenna Tuners Intheamateurradioworld,antennatun-ersaredevicesthatareoftenmisunderstood.Whilenotevery station requiresanantennatuner to transmit radio signals, often an in-compatibilitybetweenthetransmitterandtheantennasystemresultsinpoorperformance.Anantennatunerbetweenthemisoftenthewaytoobtainefficientoperation. For the first time ever, JoelR.Hallas,W1ZR,haswrittenanewbookthatremoves

    themysteryandmys-tic surrounding an-tennatunersinthera-dioshack.The ARRL Guide to Antenna Tuners discusses thedetails of the differ-ent configurationsand requirements ofantenna tuners. Itexplores the design,construction and ap-

    plicationsofthedifferenttypes.Inthisbookyouwilllearnwhattypeoftunerisneededinyourstationandwheretoinstallitformaxi-mumimprovement. Thisguidewillgiveyouabetterunder-standingofyourantennasystemandhowitcanbeimprovedthroughtheselectionanduseoftheappropriateantennatuner.SomeofthesubjectsyouwillreadaboutinthisnewARRLbookinclude: So just what is an antenna tuner and why

    might I need one? A look at a typical configuration and how to

    tune an antenna tuner. Information on balanced, internal and ex-

    ternal tuners. Transmission line choices for low loss and

    balanced versus unbalanced lines. Whats a balun, an unun, and a choke? Antennas that work well with tuners. A survey of available commercial tuners and

    material on rolling your own tuner. The ARRL Guide to Antenna Tunersisa

    160pagesoftcoverbookandsellsfor$22.95plusshippingandhandling.

    You can order both theARRL booksmentioned in this columnvia snailmail to225MainStreet,Newington,CT06111-1494orvisittheirwebsiteatwww.arrl.org.

    Microham DigikeyerTM II Digital Mode Interface Microham has released a new digitalinterfaceunittheDigikeyerII.Thisnewinterfaceisapowerfulall-in-oneUSBinter-faceusedforamateurradiodigitalmodeopera-tionincludingmodessuchasRTTY,PSK31,MFSK,Olivia,WSJT,APRS,PACKET,andmanyothers. ThisnewDigiKeyerIIreplacesseveraldifferentexternallevelconverterssuchastheCT-62, IF-232,FIF-232, orCT-17 interfaceunits.Itcombinestheprovenperformanceofthe originalDigiKeyer; a highperformanceUSBaudioclasscompliantsoundsystem;thecontrol and interfacingofmicroKEYER II;theK1ELWinKeykeyer; independentPTToutputsforbothlownoiseamplifierandpoweramplifier control; andMicroHAM's uniquedetector/driverforfldigi'sp-FSKandq-CWmodes. TheDigiKeyerIIincludesarigcontrolinterface for all supported radios (Elecraft,Icom,JRC,Kenwood,Ten-Tec,andYaesu),aninternalstereosoundchipusingstandardWindowssounddrivers,andaK1ELWinKeyCWKeyer. TheDigiKeyer package contains theinterface, aCDROMwith drivers, controlsoftwareandmanual,USBA-Bcable2-meters(6.5feet)long,andoneradiocable(specifyyour radiowhen ordering), and it sells for$339.Youcangetmoreinformationatwww.microham-usa.com.

    Books and equipment for announcement or review should be sent to Whats New, c/o Monitor-ing Times, 7540 Highway 64 West, Brasstown, NC 28902. Press releases may be faxed to 828-837-2216 or emailed to Larry Van Horn, larryvanhorn@monitoringtimes.com. When ordering or inquiring about the prod-ucts mentioned in this column, be sure to tell them that you saw it in the pages of Monitoring Times magazine.

    Larry Van Horn, New Products Editor

    http://www.adobe.comhttp://www.arrl.orghttp://www.microham-usa.comhttp://www.microham-usa.commailto:larryvanhorn@monitoringtimes.commailto:larryvanhorn@monitoringtimes.com

Recommended

View more >