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Program and build Raspberry Pi based ham station utilities, tools, and instruments The improved RTL-SDR V4 allows you to receive radio signals between 500 kHz and 1.75 GHz from stations utilizing different bands including MW/SW/LW broadcast, ham radio, utility, air traffic control, PMR, SRD, ISM, CB, weather satellite, and radio astronomy. The book Raspberry Pi 5 for Radio Amateurs gives extensive coverage of deploying the RTL-SDR kit through the use of a Raspberry Pi 5. This bundle contains: RTL-SDR V4 (incl. Dipole Antenna Kit) (normal price: €75) Raspberry Pi 5 for Radio Amateurs (normal price: €40) RTL-SDR V4 (Software Defined Radio) with Dipole Antenna Kit RTL-SDR is an affordable dongle that can be used as a computer-based radio scanner for receiving live radio signals between 500 kHz and 1.75 GHz in your area. The RTL-SDR V4 offers several improvements over generic brands including use of the R828D tuner chip, triplexed input filter, notch filter, improved component tolerances, a 1 PPM temperature compensated oscillator (TCXO), SMA F connector, aluminium case with passive cooling, bias tee circuit, improved power supply, and a built in HF upconverter. RTL-SDR V4 comes with the portable dipole antenna kit. It is great for beginners as it allows for terrestrial and satellite reception and easy to mount outdoors and designed for portable and temporary outside usage. Features Improved HF reception: V4 now uses a built-in upconverter instead of using a direct sampling circuit. This means no more Nyquist folding of signals around 14.4 MHz, improved sensitivity, and adjustable gain on HF. Like the V3, the lower tuning range remains at 500 kHz and very strong reception may still require front end attenuation/filtering. Improved filtering: The V4 makes use of the R828D tuner chip, which has three inputs. The SMA input has been triplexed input into 3 bands: HF, VHF and UHF. This provides some isolation between the 3 bands, meaning out of band interference from strong broadcast stations is less likely to cause desensitization or imaging. Improved filtering x2: In addition to the triplexing, the open drain pin on the R828D can be also used, which allows to add simple notch filters for common interference bands such as broadcast AM, broadcast FM and the DAB bands. These only attenuate by a few dB, but may still help. Improved phase noise on strong signals: Due to an improved power supply design, phase noise from power supply noise has been significantly reduced. Less heat: Another advantage of the improved power supply is low power consumption and less heat generation compared to the V3. Included 1x RTL-SDR V4 dongle (R828D RTL2832U 1PPM TCXO SMA) 2x 23 cm to 1 m telescopic antenna 2x 5 cm to 13 cm telescopic antenna 1x Dipole antenna base with 60 cm RG174 1x 3 m RG174 extension cable 1x Flexible tripod mount 1x Suction cup mount Downloads Datasheet User Guide Quick Start Guide SDR# User Guide Dipole Antenna Guide Book: Raspberry Pi 5 for Radio Amateurs The RTL-SDR devices (V3 and V4) have gained popularity among radio amateurs because of their very low cost and rich features. A basic system may consist of a USB based RTL-SDR device (dongle) with a suitable antenna, a Raspberry Pi 5 computer, a USB based external audio input-output adapter, and software installed on the Raspberry Pi 5 computer. With such a modest setup, it is possible to receive signals from around 24 MHz to over 1.7 GHz. This book is aimed at amateur radio enthusiasts and electronic engineering students, as well as at anyone interested in learning to use the Raspberry Pi 5 to build electronic projects. The book is suitable for both beginners through experienced readers. Some knowledge of the Python programming language is required to understand and eventually modify the projects given in the book. A block diagram, a circuit diagram, and a complete Python program listing is given for each project, alongside a comprehensive description. The following popular RTL-SDR programs are discussed in detail, aided by step-by-step installation guides for practical use on a Raspberry Pi 5: SimpleFM GQRX SDR++ CubicSDR RTL-SDR Server Dump1090 FLDIGI Quick RTL_433 aldo xcwcp GPredict TWCLOCK CQRLOG klog Morse2Ascii PyQSO Welle.io Ham Clock CHIRP xastir qsstv flrig XyGrib FreeDV Qtel (EchoLink) XDX (DX-Cluster) WSJT-X The application of the Python programming language on the latest Raspberry Pi 5 platform precludes the use of the programs in the book from working on older versions of Raspberry Pi computers.

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Learn KiCad with Peter Dalmaris The Academy Pro Box "Design PCBs like a Pro" offers a complete, structured training programme in PCB design, combining online learning with practical application. Based on Peter Dalmaris’ KiCad course, the 15-week programme integrates video lessons, printed materials (2 books), and hands-on projects to ensure participants not only understand the theory but also develop the skills to apply it in practice. Unlike standard courses, the Academy Pro Box provides a guided learning path with weekly milestones and physical components to design, test, and produce working PCBs. This approach supports a deeper learning experience and better knowledge retention. The box is ideal for engineers, students, and professionals who want to develop practical PCB design expertise using open-source tools. With the added option to have their final project manufactured, participants complete the programme with real results – ready for use, testing, or further development. Learn by doing Build skills. Design real boards. Generate Gerbers. Place your first order. This isn’t just a course – it’s a complete project journey from idea to product. You’ll walk away with: Working knowledge of KiCad’s tools Confidence designing your own PCBs A fully manufacturable circuit board – made by you What's inside the Box (Course)? Both volumes of "KiCad Like a Pro" (valued at €105) Vol 1: Fundamentals and Projects Vol 2: Advanced Projects and Recipes Coupon code to join the bestselling KiCad 9 online course by Peter Dalmaris on Udemy, featuring 20+ hours of video training. You'll complete three full design projects: Breadboard Power Supply Tiny Solar Power Supply Datalogger with EEPROM and Clock Voucher from Eurocircuits for the production of PCBs (worth €85 excl. VAT) Learning Material (of this Box/Course) 15-Week Learning Program ▶  Click here to open Week 1: Setup, Fundamentals, and First Steps in PCB Design Week 2: Starting Your First PCB Project – Schematic Capture Week 3: PCB Layout – From Netlist to Board Design Week 4: Design Principles, Libraries, and Workflow Week 5: Your First Real-World PCB Project Week 6: Custom Libraries – Symbols, Footprints, and Workflow Week 7: Advanced Tools – Net Classes, Rules, Zones, Routing Week 8: Manufacturing Files, BOMs, and PCB Ordering Week 9: Advanced Finishing Techniques – Graphics, Refinement, and Production Quality Week 10: Tiny Solar Power Supply – From Schematic to Layout Week 11: Tiny Solar Power Supply – PCB Layout and Production Prep Week 12: ESP32 Clone Project – Schematic Design and Layout Prep Week 13: ESP32 Clone – PCB Layout and Manufacturing Prep Week 14: Final Improvements and Advanced Features Week 15: Productivity Tools, Simulation, and Automation KiCad Course with 18 Lessons on Udemy (by Peter Dalmaris) ▶  Click here to open Introduction Getting started with PCB design Getting started with KiCad Project: A hands-on tour of KiCad (Schematic Design) Project: A hands-on tour of KiCad (Layout) Design principles and PCB terms Design workflow and considerations Fundamental KiCad how-to: Symbols and Eeschema Fundamental KiCad how-to: Footprints and Pcbnew Project: Design a simple breadboard power supply PCB Project: Tiny Solar Power Supply Project: MCU datalogger with build-in 512K EEPROM and clock Recipes KiCad 9 new features and improvements Legacy (from previous versions of KiCad) KiCad 7 update (Legacy) (Legacy) Gettings started with KiCad Bonus lecture About the Author Dr. Peter Dalmaris, PhD is an educator, an electrical engineer and Maker. Creator of online video courses on DIY electronics and author of several technical books. As a Chief Tech Explorer since 2013 at Tech Explorations, the company he founded in Sydney, Australia, Peter's mission is to explore technology and help educate the world. What is Elektor Academy Pro? Elektor Academy Pro delivers specialized learning solutions designed for professionals, engineering teams, and technical experts in the electronics and embedded systems industry. It enables individuals and organizations to expand their practical knowledge, enhance their skills, and stay ahead of the curve through high-quality resources and hands-on training tools. From real-world projects and expert-led courses to in-depth technical insights, Elektor empowers engineers to tackle today’s electronics and embedded systems challenges. Our educational offerings include Academy Books, Pro Boxes, Webinars, Conferences, and industry-focused B2B magazines – all created with professional development in mind. Whether you're an engineer, R&D specialist, or technical decision-maker, Elektor Academy Pro bridges the gap between theory and practice, helping you master emerging technologies and drive innovation within your organization.

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Measuring conducted emission is the simplest and most affordable method of getting some indication of whether a design can meet EMI/EMC requirements. A Line Impedance Stabilization Network (LISN) is an indispensable part of an EMC pre-compliance test setup. In cooperation with Würth Elektronik, Elektor has developed a 5 µH, 50 Ω Dual DC LISN that supports voltages up to 60 V and currents up to 10 A. The instrument measures RF interferences on both channels (the power supply) by means of 5-μH blocking inductances. The internal 10-dB attenuation network – one in each channel – contains a 3rd-order high-pass filter with a cutoff frequency of 9 kHz to protect the input of instruments like a spectrum analyzer from potentially harmful DC voltages or low frequencies coming from the EUT (Equipment Under Test). Specifications RF path Channels 2 (with clamping diodes) Bandwidth 150 kHz – 200 MHz Inductance 5 μH || 50 Ω Internal attenuation 10 dB Connectors SMA DC path Max. current < 10 ADC Max. voltage < 60 VDC DC resistance < 2 x 70 mΩ PCB size 94.2 x 57.4 mm Connectors 4-mm banana Hammond enclosure Type 1590N Dimensions 121 x 66 x 40 mm Included 1x 4-layer PCB with all SMT parts fitted 1x pre-drilled enclosure with ready-printed front panel layout 5x gold-plated, insulated, 4-mm banana sockets, rated for 24 A, 1 kV 1x Hammond enclosure 1590N1, Aluminum (Die-Cast Alloy) More Info Project on Elektor Labs: Dual DC LISN for EMC pre-compliance testing Elektor 9-10/2021: EMC Pre-Compliance Test for Your DC-Powered Project (Part 1) Elektor 11-12/2021: EMC Pre-Compliance Test for Your DC-Powered Project (Part 2)

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Le téléchargement intégral de ce numéro est disponible pour nos membres GOLD et GREEN sur le site Elektor Magazine ! Pas encore membre ? Cliquez ici. stockage de l’énergieRéalisez votre propre stockage d’énergie pour réseau de panneaux photovoltaïques simulateur de panneau solaireUne solution pour tester et optimiser les trackers MPP et les onduleurs le concours STM32 Edge AIDécouvrez le STM32N6 et gagnez les 5000 € du concours ! Matériaux à large bande interditePourquoi y a-t-il un tel intérêt pour le SiC et le GaN ? batterie externe pour ordinateur portableProlongez la durée de vie de votre vieil ordinateur portable robots médicauxSurmonter les obstacles techniques et réglementaires prévention du gel pour les vergersavec enregistrement des températures The Analog ThingL'Arduino de l’ordinateur analogique ? commande de relais à faible consommation d'énergieÉconomiser 90% de la puissance de commande amélioration de la charge DC ET5410A+pour un meilleur refroidissement et moins de bruit electronica 2024 : rétrospective compatibilité électromagnétiqueLa CEM en quelques mots ! démarrer en électronique......Filtres actifs réduisez les pertes des chutes de tension avec des condensateursprofitez astucieusement de la réactance capacitive le MCP4725 : un convertisseur numérique-analogique 12 bits pas cheravec une fonction EEPROM pour un comportement sûr au démarrage la pince de test intelligente Fnirsi LCR-ST1 pour CMS labo de test et de mesure personnel basé sur Raspberry PiPour commencer : l'ADC une charge électroniqueUn projet prêt à l'emploi 2025 : l'odyssée de l'IAQuelques projets pour le nouvel an AmpVolt v2.0 : mise à jour100 A et plus ! projet 2.0Corrections, mises à jour et courrier des lecteurs transparence éthiqueCe que révèle l’enquête réalisée par Ethics in Electronics carte Elektor Audio DSP FX Processor (2)Création d'applications

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Diese Ausgabe steht allen GOLD- und GREEN-Mitgliedern auf der ElektorMagazine-Website zum Download bereit! Sie sind noch kein Mitglied? Hier klicken! ESP32-Audio-Transceiver-Board (Teil 2)Drahtlose Audioübertragung Induktiver AM-SenderPIO des Pico in einem Arduino-Sketch Navigieren durch drahtlose ProtokolleEin technischer Leitfaden Satellitenverfolgung mit LoRaDas TinyGS-Netzwerk: Raumfahrtdaten gelangen zur Erde 4G-kompatible SMS-FernbedienungSteuern Sie Ihr Zuhause per Telefon aus der Ferne Hochgeschwindigkeits-TastkopfHochohmige Eingänge für Signale bis 200 MHz Aus dem Leben gegriffenKafka KrakenSDREin phasenkohärenter SDR-Empfänger Geschwindigkeitstests mit dem RP2350Lohnt sich der Umstieg von Raspberry Pi Pico 1 auf Version 2? Kontaktlose E-Feld-Messungen (2)Ein Laser-Vibrometer zur Erfassung der Membranschwingungen Quarze und OszillatorenQuarzgenauigkeit durch die Kondensatorwahl verbessern Aller Anfang ...... ist gar nicht schwer: Spezielle Audio-ICs Einstieg ins Programmieren von Selbstbauprojekten SPECTRAN® V6 MobileModular konfigurierbarer Echtzeit-Spektrum-Analyzer für zuverlässige Messungen in allen Frequenzbereichen Die Zukunft der KI wird in Silizium geschmiedetEin Interview mit Anastasiia Nosova Autonomer Sensorknoten v2.0 (Systemarchitektur)Solarbetriebene Sensorplattform mit integriertem GPS, LoRaWAN und weiteren Funktionen Präzise PositionsbestimmungBluetooth Channel Sounding ausprobiert Die Zukunft der Wireless-KommunikationDie ultradünnen Festkörperbatterien von BTRY Testgetriebene Programmierung in der Firmware-Entwicklung Handy-gesteuertes ModellautoWLAN + ESP32 + Smartphone = Fernsteuerung 2025: Eine KI-OdysseeKI-Denkmodelle: die Gedankenketten-Revolution Solarladeregler mit MPP-TrackingTeil 3: Software und Inbetriebnahme Web-Streaming-Kamera mit Raspberry Pi ZeroVerwendung des ZeroTier-VPN

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