{"title":"Books | Audio \u0026 RF","description":"\u003ch2\u003eWhat is RF? What is RF used for?\u003c\/h2\u003e\n\u003cp\u003eElectromagnetic fields, radio waves, microwaves, and wireless signals are called radio frequency (RF) energy. RF currents are electrical currents that oscillate at radio frequencies and have unique characteristics. RF energy is all around us, and RF is used in a variety of electronics and devices, including radio and television broadcasting, cellular telephones, satellite communications, microwave ovens, radars, and industrial heaters and sealers. These are just a few examples.\u003c\/p\u003e\n\u003ch2\u003eWhat is software-defined radio (SDR), and what can you do with SDR?\u003c\/h2\u003e\n\u003cp\u003eIn general, an electrical signal is generated by hardware components. It is quite complicated to process signals with hardware and has limitations to troubleshoot. With software-defined radio (SDR), RF communication takes place using software, which simplifies the limitations of signal processing with hardware. Instead of having to use mixers, filters, amplifiers, modulators, demodulators, and so on, SDR uses just an ADC and DAC, along with antennas, without the need for many hardware components.\u003c\/p\u003e\n\u003cp\u003eThe software for SDR can be used on a personal computer or an embedded system, providing a more flexible application and making it easy to troubleshoot problems. SDR is used in broadcast and amateur radio, radio astronomy, aircraft tracking and GSM network building, and many more applications. It is a good choice for many fun projects.RTL-SDR is an affordable USB radio used to receive live radio broadcasts from a computer. Due to its popularity, users benefit from a wider variety of radio signals that just a few years ago would have cost hundreds or thousands of euros.\u003c\/p\u003e\n\u003ch2\u003eWhat does Elektor have to offer?\u003c\/h2\u003e\n\u003cp\u003eElektor offers a variety of RF and SDR-related kits, such as the Elektor Raspberry Pi RTL-SDR Kit, which allows you to receive radio signals between 500 kHz and 1.75 GHz from stations using different bands, including MW\/SW \/LW broadcast, ISM, CB, ham radio, utility, and more. In addition, Elektor supplies its customers with telescopic antennas and magnetically mountable antennas, and much more. Browse our list to find a suitable solution for you.\u003c\/p\u003e\n\u003ch2\u003eWhat does the future hold for SDR?\u003c\/h2\u003e\n\u003cp\u003eThe popularity of SDR solutions is increasing since the widespread availability of 4G equipment. The prospects of upcoming technologies 5G, the Internet of Things (IoT), and sensor networks promise to drive SDR even more. SDRs are built with more powerful FPGAs, and these applications are intended for increasingly complex tasks. As a result, FPGA tools that can manage growing amounts of data and complexity will inevitably gain popularity.\u003c\/p\u003e","products":[{"product_id":"modern-high-end-valve-amplifiers-e-book","title":"Modern High-End Valve Amplifiers (E-book)","description":"\u003cp\u003eValve Amplifiers are regarded by many to be the \u003cem\u003ene plus ultra\u003c\/em\u003e when it comes to processing audio signals. The combination of classical technology and modern components has resulted in a revival of the valve amplifier. The use of toraidal-core output transformers, developed by the author over the past 15 years, has contributed to this revival. The most remarkable features of these transformers are their extremely wide frequency ranges and their very low levels of linear and nonlinear distortion.\u003c\/p\u003e\n\u003cp\u003eThis book explains the whys and wherefores of toroidal output transformers at various technical levels, starting with elementary concepts and culminating in complete mathematical descriptions. In all of this, the interactions of the output valves, transformer and loudspeaker form the central theme.\u003c\/p\u003e\n\u003cp\u003eNext come the practical aspects. The schematic diagram of a valve amplifier often appears to be very simple at first glance, but anyone who has built a modern valve amplifier knows that a lot of critical details are hidden behind this apparent simplicity. These are discussed extensively, in connection with designs for amplifiers with output powers ranging from 10 to 100 watts. Finally, the author gives some attention to a number of special valve amplifiers, and to the theory and practice of negative feedback.\u003c\/p\u003e\n\u003cp\u003eIn summary, this book offers innovative solutions for achieving perfect audio quality. Do-it-yourself builders, as well as persons who want to gain a deeper technical understanding of the complex world of audio transformers, valve amplifiers and audio signal processing, will find this book a rich and useful source of information.\u003c\/p\u003e","brand":"Elektor Digital","offers":[{"title":"Default Title","offer_id":46906980663628,"sku":"18225","price":34.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/modern-high-end-valve-amplifiers-e-book-9780905705637-288289.png?v=1745547563"},{"product_id":"ontwerpen-van-buizenversterkers-e-book","title":"Ontwerpen van Buizenversterkers (E-book)","description":"\u003cp\u003eOntwerpen van Buizenversterkers (E-book)\u003c\/p\u003e","brand":"Elektor Digital","offers":[{"title":"Default Title","offer_id":46906981908812,"sku":"18235","price":29.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/ontwerpen-van-buizenversterkers-e-book18235-324324.jpg?v=1718725037"},{"product_id":"acoustics-in-performance","title":"Acoustics in Performance","description":"\u003ch2\u003eAll you need to know about good acoustics and sound systems in performance and worship spaces!\u003c\/h2\u003e\n\u003cp\u003eEveryone knows that the ability to hear music in balance and to understand speech is essential in any space used for performance or worship. Unfortunately, in the early 21st century, we find that buildings with good acoustics are the exception rather than the rule. Much of the fault leading to this result can be traced to the widespread perception that acoustics is a black art. In fact, scientific acoustics as developed in the last century is a well-defined engineering practice that can lead to predictable excellent results.\u003c\/p\u003e\n\u003cp\u003eA basic, non-engineering understanding of acoustics will help building owners, theater managers, ministers and teachers of music, performers, and other professionals to achieve their goals of excellent acoustics in venues with which they work. Performers having a basic understanding of acoustics will be able to make the most of the acoustics of the venue in which they perform.\u003c\/p\u003e\n\u003cp\u003eThis book helps those responsible for providing good acoustics in performance and worship spaces to understand the variables and choices entailed in proper acoustic design for performance and worship. Practicing acoustical consultants will find the book a useful reference as well. The level of presentation is comfortable and straightforward without being simplistic. If correct acoustical principles are incorporated into the design, renovation, and maintenance of performance and worship venues, good acoustics will be the result.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003ciframe style=\"width: 100%; height: 25vw;\" src=\"https:\/\/e.issuu.com\/embed.html?d=preview_acoustics_in_performance\u0026amp;hideIssuuLogo=true\u0026amp;u=eimworld\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Pt3Bhk-EKfE\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Elektor Publishing","offers":[{"title":"Default Title","offer_id":46906985283916,"sku":"18334","price":29.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/acoustics-in-performance18334-360634.jpg?v=1718723490"},{"product_id":"the-bottle-builder-e-book","title":"The Bottle Builder (E-book)","description":"\u003cp\u003eThe author, Johan Basse Bergqvist, is an engineer, a musician, and an audiophile with a knack for building projects that produce the desired results. The combination of these skills leads to a uniquely valuable perspective on audio design that is routinely reflected in the book and passed on to the readers.\u003c\/p\u003e\n\u003cp\u003eSeveral design projects are provided, 40 in total. The designs are explained, and the unique features or methods he uses are described in further detail. Each design includes detailed schematics and a complete parts list. Many of the projects also include layout documentation in the form of CAD photos of the PCB layouts. The range of projects is very diverse and includes something that will appeal to everyone. Stereo amplifiers, guitar and bass amplifiers, preamplifiers for phono, and microphones are all covered. Several variants for each type are included, and the power amplifier designs range from a few watts to several hundred watts, which meet almost any power level you might tackle.\u003c\/p\u003e","brand":"Elektor Digital","offers":[{"title":"Default Title","offer_id":46906991313228,"sku":"18519","price":64.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/the-bottle-builder-e-book-978-1-907920-38-7-305537.png?v=1745547553"},{"product_id":"introductie-tot-de-elektro-akoestiek-e-book","title":"Introductie tot de Elektro-akoestiek (E-book)","description":"\u003cp\u003eIntroductie tot de Elektro-akoestiek (E-book)\u003c\/p\u003e","brand":"Elektor Digital","offers":[{"title":"Default Title","offer_id":46907011825996,"sku":"18737","price":29.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/introductie-tot-de-elektro-akoestiek-e-book18737-145755.jpg?v=1718724585"},{"product_id":"high-end-buizenversterkers-2-e-book","title":"High-End Buizenversterkers 2 (E-book)","description":"\u003cp\u003eHigh-End Buizenversterkers 2 (E-book)\u003c\/p\u003e","brand":"Elektor Digital","offers":[{"title":"Default Title","offer_id":46907067466060,"sku":"19149","price":34.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/high-end-buizenversterkers-2-e-book19149-770830.jpg?v=1718724573"},{"product_id":"electric-guitar-2nd-edition","title":"Electric Guitar (2nd Edition)","description":"\u003ch2\u003eSound Secrets and Technology\u003c\/h2\u003e\n\u003cp\u003eWhat would today’s rock and pop music be without electric lead and bass guitars? These instruments have been setting the tone for more than sixty years. Their underlying sound is determined largely by their electrical components. But, how do they actually work? Almost no one is able to explain this to the true musician with no technical background. This book answers many questions simply, in an easily-understandable manner.\u003c\/p\u003e\n\u003cp\u003eFor the interested musician (and others), this book unveils, in a simple and well-grounded way, what have, until now, been regarded as manufacturer secrets. The examination explores deep within the guitar, including pickups and electrical environment, so that guitar electronics are no longer considered highly secret. With a few deft interventions, many instruments can be rendered more versatile and made to sound a lot better – in the most cost-effective manner.\u003c\/p\u003e\n\u003cp\u003eThe author is an experienced electronics professional and active musician. He has thoroughly tested everything described here, in practice.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003ciframe style=\"width: 100%; height: 25vw;\" src=\"https:\/\/e.issuu.com\/embed.html?d=electric-guitar-2nd-edition-extract\u0026amp;hideIssuuLogo=true\u0026amp;u=eimworld\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Elektor Publishing","offers":[{"title":"Default Title","offer_id":46907075330380,"sku":"19222","price":39.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/electric-guitar-2nd-edition19222-750032.jpg?v=1718723955"},{"product_id":"high-end-rohrenverstarker-pdf","title":"High-End-Röhrenverstärker (PDF)","description":"\u003cp\u003eHigh-End-Röhrenverstärker (PDF)\u003c\/p\u003e","brand":"Elektor Digital","offers":[{"title":"Default Title","offer_id":47571386728780,"sku":"16734","price":44.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/high-end-rohrenverstarker-pdf16734-684152.jpg?v=1718724574"},{"product_id":"hochfrequenz-baubuch","title":"Hochfrequenz-Baubuch","description":"\u003cp\u003eDie Hochfrequenztechnik ist eines der Gebiete, auf denen man auch heute noch eigene Ideen in die Tat umsetzen kann. Unzählige Schaltungsvarianten mit besonderen Zielsetzungen geben Raum für sinnvolle Experimente und Projekte. Vieles kann man nicht einfach kaufen. Detektorradios ohne eigene Energiequelle, einfache Röhrenempfänger mit einem Hauch von Nostalgie, die ersten Empfangsversuche mit dem Software Defined Radio oder Spezialempfänger für den Amateurfunk, all dies lässt sich mit wenig Aufwand realisieren.\u003c\/p\u003e\n\u003cp\u003eLange Zeit war das Radiobasteln der Einstieg in die Elektronik. Inzwischen gibt es auch andere Wege, vor allem über Computer, Mikrocontroller und die Digitaltechnik. Allerdings kommen die analogen Wurzeln der Elektronik oft zu kurz. Die Radiotechnik eignet sich besonders gut als Lernfeld der Elektronik, weil man hier mit den einfachsten Grundlagen beginnen kann. Aber auch die Verbindung zur modernen Digitaltechnik liegt auf der Hand, wenn es z. B. um moderne Abstimmverfahren wie PLL und DDS oder um moderne DSP-Radios geht.\u003c\/p\u003e\n\u003cp\u003eDieses Buch gibt einen Überblick und stellt eine Sammlung einfacher Projekte vor. Der Autor möchte Sie dabei unterstützen, eigene Ideen zu entwickeln, eigene Empfänger zu entwerfen und sie zu erproben.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003ciframe style=\"width: 100%; height: 25vw;\" src=\"https:\/\/e.issuu.com\/embed.html?d=hochfrequenz-baubuch-leseprobe\u0026amp;hideIssuuLogo=true\u0026amp;u=eimworld\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Elektor Publishing","offers":[{"title":"Default Title","offer_id":47614022975820,"sku":"19528","price":39.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/hochfrequenz-baubuch19528-996646.jpg?v=1718724574"},{"product_id":"arduino-for-radio-amateur-applications","title":"Arduino for Radio Amateur Applications","description":"\u003ch2\u003eProgram and build Arduino-based ham station utilities, tools, and instruments\u003c\/h2\u003e\n\u003cp\u003eIn addition to a detailed introduction to the exciting world of the Arduino microcontroller and its many variants, this book introduces you to the shields, modules, and components you can connect to the Arduino. Many of these components are discussed in detail and used in the projects included in this book to help you understand how these components can be incorporated into your own Arduino projects. Emphasis has been placed on designing and creating a wide range of amateur radio-related projects that can easily be built in just a few days.\u003c\/p\u003e\n\u003cp\u003eThis book is written for ham radio operators and Arduino enthusiasts of all skill levels, and includes discussions about the tools, construction methods, and troubleshooting techniques used in creating amateur radio-related Arduino projects. The book teaches you how to create feature-rich Arduino-based projects, with the goal of helping you to advance beyond this book, and design and build your own ham radio Arduino projects.\u003c\/p\u003e\n\u003cp\u003eIn addition, this book describes in detail the design, construction, programming, and operation of the following projects:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCW Beacon and Foxhunt Keyer\u003c\/li\u003e\n\u003cli\u003eMini Weather Station\u003c\/li\u003e\n\u003cli\u003eRF Probe with LED Bar Graph\u003c\/li\u003e\n\u003cli\u003eDTMF Tone Encoder\u003c\/li\u003e\n\u003cli\u003eDTMF Tone Decoder\u003c\/li\u003e\n\u003cli\u003eWaveform Generator\u003c\/li\u003e\n\u003cli\u003eAuto Power On\/Off\u003c\/li\u003e\n\u003cli\u003eBluetooth CW Keyer\u003c\/li\u003e\n\u003cli\u003eStation Power Monitor\u003c\/li\u003e\n\u003cli\u003eAC Current Monitor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis book assumes a basic knowledge of electronics and circuit construction. Basic knowledge of how to program the Arduino using its IDE will also be beneficial.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003ciframe style=\"width: 100%; height: 25vw;\" src=\"\/\/e.issuu.com\/embed.html?d=arduino-for-radio-amateur-applications-extract\u0026amp;hideIssuuLogo=true\u0026amp;u=eimworld\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Elektor Publishing","offers":[{"title":"Default Title","offer_id":47743987286348,"sku":"20814","price":39.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/arduino-for-radio-amateur-applications20814-491959.jpg?v=1718723602"},{"product_id":"software-defined-radio-zum-selbstbau","title":"Software Defined Radio zum Selbstbau","description":"\u003ch2\u003ePraktischer Einstieg mit Arduino, GnuRadio und FPGA\u003c\/h2\u003e\n\u003cp\u003eDas Thema „Software Defined Radio“ ist facettenreich: Neben der Schaltungstechnik ist auch eine Einarbeitung in die Programmierung von Hardware und PC wichtig. Ein schrittweises Vorgehen erleichtert Ihnen den Einstieg. Mit dem im Buch vorgestellten modularen „RF Bricks“-Konzept werden Sie zum Architekten Ihrer Signalkette. Auf einem Chassis angeordnet gewährleisten die Module einen soliden und gut abgeschirmten Aufbau, den Sie einfach verändern und mit eigenen Ideen anreichern können.\u003c\/p\u003e\n\u003cp\u003eDer skalierbare Aufbau bildet Ihr Blockschaltbild auch mechanisch ab – die so gewonnene Übersicht kann in der Aus- und Weiterbildung nützlich sein. Ein Arduino in Ihrem Chassis kommuniziert nach einigen Anpassungen mit üblichen SDR-Programmen, z. B. SDRCPP, GQRX und CubicSDR auf einer Linux-Plattform. Damit können Sie Ihren Empfänger direkt per Mausklick abstimmen.\u003c\/p\u003e\n\u003cp\u003eWenn Sie Blockschaltbilder mögen, ist GnuRadio ein natürlicher Partner der „RF Bricks“. Mit einem selbst programmierten Python-Block gelingt Ihnen in GnuRadio die Fernsteuerung Ihres Empfängers. Im GnuRadio-Universum können Sie Ihre GUI stufenweise ausbauen, behalten dabei aber immer volle Kontrolle über die inneren Abläufe des Programms.\u003c\/p\u003e\n\u003cp\u003eMit einem FPGA können zeitaufwändige Operationen auch direkt in die Hardware verlagert werden. Sie bauen stufenweise einen Doppelsuperhet auf und entwickeln die Filterkoeffizienten für FIR-Filter mit Scilab. Das in VHDL realisierte Weaver-Schema rundet diesen Empfänger ab, der mit hoher Empfindlichkeit und Dynamik aufwarten kann.\u003c\/p\u003e\n\u003cp\u003eMit dem gewonnen Überblick und Ihrer neuen Hardware können Sie die einzelnen Aspekte des Themenkomplexes SDR beliebig weiter vertiefen.\u003c\/p\u003e\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/s3.eu-central-1.amazonaws.com\/elektormagazine\/download\/Software_Software%20Defined%20Radio%20zum%20Selbstbau.zip\" target=\"_blank\"\u003eSoftware\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003ciframe src=\"https:\/\/e.issuu.com\/embed.html?d=sdr-zum-selbstbau-leseprobe\u0026amp;hideIssuuLogo=true\u0026amp;u=eimworld\" style=\"width: 100%; height: 25vw;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Elektor Publishing","offers":[{"title":"Default Title","offer_id":49223284556108,"sku":"21101","price":44.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/software-defined-radio-zum-selbstbau-9783895766503-632922.png?v=1736875448"},{"product_id":"high-end-tube-amplifier-design","title":"High-End Tube Amplifier Design","description":"\u003ch2\u003eA Toolbox for Audio Lovers and Engineers\u003c\/h2\u003e\n\u003cp\u003eWithout any ambition to reach scientific levels, this book aims to be a toolbox for both audio lovers and high-end equipment designers. The elementary theory presented is the bare minimum for readers to grasp the operation and practical use of electrical, electromagnetic, physics, and electronic operations available in the designers’ toolbox. Each tool is explained in a minimum of words and theory without needless coverage of underlying equations or figures.\u003c\/p\u003e\n\u003cp\u003eThe book chapters guide you through the process of designing quality amplifiers with vacuum tubes, from the very beginning, considering both technical and subjective requirements – in theory and practice.\u003c\/p\u003e\n\u003cp\u003eThe book is a compilation of the author’s notes used in his professional and educational career but was nevertheless primarily written as a result of true love for the audiophile hobby.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003ciframe src=\"https:\/\/e.issuu.com\/embed.html?d=high-end-tube-amplifier-design-extract\u0026amp;hideIssuuLogo=true\u0026amp;u=eimworld\" style=\"width: 100%; height: 25vw;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Elektor Publishing","offers":[{"title":"Default Title","offer_id":53031048642892,"sku":"21224","price":69.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/High-End-Tube-Amplifier-Design.png?v=1758119429"},{"product_id":"tube-amplifier-circuits","title":"Tube Amplifier Circuits","description":"\u003ch2\u003eFrom SRPP and Mu-Follower to OTL Designs\u003c\/h2\u003e\n\u003cp\u003eTube amplifiers suffer from distortion. Fortunately, circuits such as the SRPP amplifier, mu-follower, and beta-follower produce minimal distortion even at output voltages of 50 to 100 V\u003csub\u003epeak\u003c\/sub\u003e.\u003c\/p\u003e\n\u003cp\u003eThese designs are often published with errors. Without a sound understanding of the theory, it is easy to arrive at a flawed design.\u003c\/p\u003e\n\u003cp\u003eIn the first section of this book, we investigate the origin of distortion, while in the second we investigate the design of and SRPP and a mu-follower.\u003c\/p\u003e\n\u003cp\u003eOn the internet we can find the most exotic designs. Evaluating them teaches us that these designs often make matters worse rather than better. In the chapter on incorrect SRPPs and mu-followers, we sometimes see bizarre and misguided designs where using a simple single-triode amplifier would perform much better.\u003c\/p\u003e\n\u003cp\u003ePush-pull output stages also exist. A great number of them are examined, and their similarity to the SRPP is discussed. This is done especially with the help of the theory behind the OTL based on the ‘mother’ of all OTLs, the Philips HF303.\u003c\/p\u003e\n\u003cp\u003eFinally, attention is given to frequency characteristics and technical matters such as the supply voltage and the filament power supply.\u003c\/p\u003e\n\u003cp\u003eTo illustrate these points, there are a few designs covering the subjects discussed.\u003c\/p\u003e\n\u003cp\u003eThis book presents much new theory that has not been published before. It is often an eye-opener, showing that many things have a beautiful and unexpected simplicity.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003ciframe style=\"width: 100%; height: 25vw;\" src=\"\/\/e.issuu.com\/embed.html?d=tube-amplifier-circuits-extract\u0026amp;hideIssuuLogo=true\u0026amp;u=eimworld\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Elektor Publishing","offers":[{"title":"Default Title","offer_id":57065498345804,"sku":"21297","price":44.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/Tube-Amplifier-Circuits.png?v=1776252419"},{"product_id":"sdr-mit-hackrf-one-hackrf-pro","title":"SDR mit HackRF One \u0026 HackRF Pro","description":"\u003ch2\u003eProgrammieren mit GNU Radio\u003c\/h2\u003e\n\u003cp\u003eHackRF ist eine Open-Source-Entwicklung von Great Scott Gadgets und dient als vielseitiges Frontend für Software Defined Radio (SDR). Mit HackRF One und dem Nachfolger HackRF Pro lassen sich eigene SDR-Anwendungen entwickeln, leistungsfähige Empfänger und Sender aufbauen sowie anspruchsvolle Aufgaben der HF-Messtechnik realisieren.\u003c\/p\u003e\n\u003cp\u003eDieses Buch eröffnet einen praxisnahen Einstieg in die Welt des Software Defined Radio. Schritt für Schritt zeigt der Autor, wie sich mit HackRF leistungsfähige SDR-Projekte umsetzen lassen – von den Grundlagen der HF-Technik bis hin zu anspruchsvollen Anwendungen mit GNU Radio.\u003c\/p\u003e\n\u003cp\u003eNeben dem Umgang mit SDR Sharp (SDR#), RadioConda und GNU Radio vermittelt das Buch auch die Grundlagen moderner digitaler Signalverarbeitung. 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