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Menno van der Veen is well known for his research publications on tube amplifiers used in audio systems. In this book he describes one of his research projects which focuses on the question of whether full compensation for distortion in tubes and output transformers is possible. In the past, a variety of techniques have been developed. One of them has largely been forgotten: trans-conductance, which means converting current into voltage or voltage into current. Menno van der Veen has breathed new life into this technique with his research project titled “Trans”. This book discusses all aspects of this method and discusses its pitfalls. These pitfalls are addressed one by one. The end result is a set of stringent requirements for Trans amplifiers. Armed with these requirements, Menno then develops new Trans amplifiers, starting with Transie 1 and Transie 2. These DC-coupled, single-ended tube amplifiers have unusually good characteristics and are suitable for hobbyist construction. Next the Trans principle is applied to amplifiers with higher output power. A trial-and-error process ultimately leads to the Vanderveen Trans 30 amplifier, which optimizes the features of Trans. The characteristics of this amplifier are so special and unique that Menno believes he has struck gold. To ensure that variations in tube characteristics cannot interfere with optimal Trans behavior, Menno makes use of simulations and comparison with other amplifier types. This book reads like an adventure story, but it is much more – it is an account of solid research into new ways to achieve optimal audio reproduction.

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Inhalt Grundlagen Kathodengegenkopplung – bei Endröhren durch eine Übertragerwicklung Der Zwischenübertrager Bauanleitungen Eintakt-A-Endstufe mit 4x 6V6 – 6V6 quatroSE – ernsthafter Eintakter mit 16 W, nicht nur für hocheffiziente Lautsprecher CD-Vorverstärker mit CD-Filter Moderne Hybridendstufe Die Kathedrale in der Streichholzschachtel – Elektronische Hallspirale UKW-Mischteil – mit der Doppeltriode ECC2000 und der Triode/Pentode ECF80 Technik In die Röhre geschaut – Computer-tomografische Bilder vom Röhreninneren 6L6GC – with best Regards from the United States of America Röhrensockel Info Die Röhren-Sonderheft-Reihe hat die runde Zahl 10 erreicht Nachruf Jan Jurco – Gründer von JJ Electronic Buchbesprechung Röhrendaten

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The FNIRSI 2D15P is a compact 3-in-1 test tool combining a 2-channel digital oscilloscope, True RMS multimeter, and waveform generator in one device. With a 4.3" capacitive touchscreen, 100 MHz bandwidth, 500 MSa/s sampling rate, and up to 1,200 fps capture speed, it’s ideal for fast troubleshooting, signal analysis, and electronics testing. Features Dual-Channel Input (100 MHz single-channel, 50 MHz dual-channel operation) Selectable Memory Depths 20 MHz Bandwidth Limit Grayscale & Color Temperature Visualization Math Operations (Add, Subtract, Multiply, Divide, etc.) XY Mode & Infinite Persistence Cursor Function & 13 Auto Measurements Auto / Normal / Single Trigger Modes True RMS Multimeter (19,999 Counts) 10 MHz DDS Signal Generator Specifications General Display 4.3" IPS Capacitive Touchscreen Operation Touch + Knob + Physical Buttons Charging USB-C (12 V/1 A fast charging) Battery 5000 mAh Lithium battery Dimensions 19.6 x 12.9 x 5.7 cm Weight 1.1 kg Oscilloscope Channels 2 Analog Bandwidth 100 MHz Sample Rate 500 MSa/s Memory Depth 10K, 100K, 1M Input Impedance 1 MΩ Timebase Range 5ns - 50s Vertical Sensitivity 10 mV - 10 V/div Max Input Voltage 800 V (x10 Probe) Trigger Mode Auto, Normal, Single Trigger Type Rising, Falling, Both Edges Coupling AC/DC Persistence min / 2s / 5s / 10s / 20s / 50s / ∞ Math Operations Yes Waveform Capture Yes Waveform Export Yes Cursor Measurement Yes Multimeter DC Voltage 1.9999V / 19.999V / 199.99V / 1000V AC Voltage 1.9999V / 19.999V / 199.99V / 750.0V DC Current 19.999mA / 199.99mA / 1.9999A / 9.999A AC Current 19.999mA / 199.99mA / 1.9999A / 9.999A Resistance 19.999MΩ / 1.9999MΩ / 199.99KΩ / 19.999KΩ / 1.9999KΩ / 199.99Ω Capacitance 999.9uF / 99.99uF / 9.999uF / 999.9nF / 99.99nF / 9.999nF / 9.999mF / 99.99mF Diode Yes Continuity Yes Signal Generator Channels 1 Frequency 0–10 MHz Amplitude 0.1–3.0 Vpp Duty Cycle 0–100% Included 1x FNIRSI 2D15P Oscilloscope 2x P6100 Oscilloscope Probes 1x Multimeter Probe 1x Alligator Clip Probe 1x USB Data Cable 1x Manual Downloads Manual Firmware V2.7.0.7

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A Hands-on Guide to Crafting Your Own Power Plant The book you are about to read provides a step-by-step guide for building a renewable energy power plant at home. Our goal was to make the book as practical as possible. The material is intended for immediate application with a small amount of theory. Yet, the theory is important as a foundation that saves time and effort by disabusing the readers of potential misconceptions. Specifically, upon having a firm understanding of photovoltaic physics, you will not be inclined to fruitlessly search for 90% efficient solar panels! We want our readers to be the “doers”. If the book gets covered in grime and some pages become torn while you are building your power plant – this is the best compliment to us. The book covers solar and wind energy. Also, a curious power source based on manure is discussed as well, giving the doers an opportunity to further develop the manure fuel cell. It is important to note that there are many companies offering installation of complete solar solutions. Upon installing the panels, the system is not owned by the customer. Therefore, there is no freedom for experimentation and optimization. Also, none can beat the cost of a DIY solution as well as the ultimate satisfaction. All that is written here is a result of us building a renewable energy solution in Southern California. As the book was completed, the energy began flowing!

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UFactory 850 is the most powerful robot with industrial grade performance. Features 6DoF Payload: 5 kg Reach: 850 mm Repeatability: 0.02 mm Weight: 20 kg Applications Glambot Welding Screwdriving Robot Vision Industrial Production Designed for both mobile platforms and your workbench The AC control box contains an AC-DC adapter inside, 100-240 V AC is all ready to go. The DC control box supports 48-72 V wide inputs, it perfectly fits the battery system on your mobile platform. Flexible Deployment With Safe Feature Hand teaching, space-saving and easy to re-deploy to multiple applications without changing your production layout. Perfectly for recurrent tasks. Collision detection is available for all of our cobots. Your safety is always the top priority. Graphical Interface For Beginner-Friendly Programming Compatible with various operation systems, including macOS and Windows. Web-based technology compatible with all major browsers. Drag and drop to create your code in minutes. Powerful And Open Source SDK At Your Fingertips Fully functional open-source Python/C++ SDK provides more flexible programming. ROS/ROS2 packages are ready-to-go. Example codes help you to deploy the robotic arm smoothly. Specifications UFactory 850 xArm 5 xArm 6 xArm 7 Payload 5 kg 3 kg 5 kg 3.5 kg Reach 850 mm 700 mm 700 mm 700 mm Degrees of freedom 6 5 6 7 Repeatability ±0.02 mm ±0.1 mm ±0.1 mm ±0.1 mm Maximum Speed 1 m/s 1 m/s 1 m/s 1 m/s Weight (robot arm only) 20 kg 11.2 kg 12.2 kg 13.7 kg Maximum Speed 180°/s 180°/s 180°/s 180°/s Joint 1 ±360° ±360° ±360° ±360° Joint 2 -132°～132° -118°～120° -118°～120° -118°～120° Joint 3 -242°~3.5° -225°~11° -225°~11° ±360° Joint 4 ±360° -97°~180° ±360° -11°～225° Joint 5 -124°~124° ±360° -97°~180° ±360° Joint 6 ±360° ±360° -97°~180° Joint 7 ±360° Hardware Ambient Temperature Range 0-50°C Power Consumption Typical 240 W, max 1000 W Input Power Supply 48 V DC, 20.8 A Footprint Ø 190 mm Materials Aluminum, Carbon Fiber Base Connector Type M8x4 ISO Class Cleanroom 5 Robot Mounting Any End Effector Communication Protocol Modbus RTU End Effector I/O 2x DI / 2x DO / 2x AI / 1x RS485 Communication Mode Ethernet Included 1x UFactory 850 robotic arm 1x AC control box 1x Control box power cable

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The iFixit Essential Electronics Toolkit is what you need for the most essential electronics repairs – like screen and battery swaps – and everything you need for most household DIY fixes. Get started in electronics repair with all the bits and precision tools to handle your most urgent screen breaks and battery swaps. Or simply upgrade your home DIY toolkit with what you need to service door knobs, home appliances, eyeglasses, and more. Included Magnetized Driver Handle Angled Precision Tweezers Spudger Jimmy iFixit Opening Tool iFixit Opening Picks set of 6 Suction Handle Easy-to-Open Magnetized Case Lid with Built-in Sorting Tray Sixteen 4mm Precision Screwdriver Bits Phillips - 000, 00, 0, 1 Pentalobe - P2, P5 Flathead - 1 mm, 2.5 mm, 4 mm Torx - T4, T5 Torx Security - TR6, TR8, TR10 Tri-Point - Y000 SIM Eject Bit Specifications Bit Metal: 6150 Steel Driver Material: Polymer Case Material: ABS Foam: EVA

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The Siglent SPD4306X is a 4-channel DC Linear Programmable Power Supply equipped with a 4.3-inch TFT-LCD display, friendly human-machine interface, and excellent performance indicators. Real-time waveform display provides engineers with an informative user interface. SPD4306X offers a total output power of 400 W with a resolution of 1 mV/1 mA. The maximum voltage and current for each channel are as follows: CH1: 15 V/1.5 A CH2: 30 V/6 A CH3: 30 V/6 A CH4: 15 V/1 A Features Rated output power: 400 W Rated voltage: 32 V, 12 V, 30 V Up to four high-precision power supplies with independent controllable outputs, supporting CH2 and CH3 series and parallel connections Clear graphical interface with waveform and timer display modes 5-digit voltage and current display with minimum resolution of 1 mV, 1 mA Fast output response time: <50us The high current channel support remote voltage compensation sense function. The maximum compensation voltage is 0.6 V Overvoltage protection and overcurrent protection or safe and accurate operation Equipped with a 4.3-inch TFT-LCD display (480 x 272 resolution) USB and LAN standard communication USB-GPIB module is optional Excellent channel density with up to 4 channels in a 3U half rack package Internal data storage for setups and parameters Embedded Web Server with instrument communication that doesn’t require software installation Fully SCPI programming command set support as well as a LabView driver for remote control and system automation Specifications SPD4323X SPD4121X SPD4306X Channel Output CH1: Voltage 0 to 6 V Current 0 to 3.2 ACH2: Voltage 0 to 32 V Current 0 to 3.2 ACH3: Voltage 0 to 32 V Current 0 to 3.2 ACH4: Voltage 0 to 6 V Current 0 to 3.2 A CH1: Voltage 0 to 15 V Current 0 to 1.5 ACH2: Voltage 0 to 12 V Current 0 to 10 ACH3: Voltage 0 to 12 V Current 0 to 10 ACH4: Voltage 0 to 15 V Current 0 to 1.5 A CH1: Voltage 0 to 15 V Current 0 to 1.5 ACH2: Voltage 0 to 30 V Current 0 to 6 ACH3: Voltage 0 to 30 V Current 0 to 6 ACH4: Voltage 0 to 15 V Current 0 to 1 A Resolution 1 mV, 1 mA 1 mV, 1 mA 1 mV, 1 mA Setting Accuracy Voltage: ±(0.03% of reading+10) mV, Current: ±(0.3% of reading+10) mA Voltage: ±(0.03% of reading+10) mV, Current: ±(0.3% of reading+10) mA Voltage: ±(0.03% of reading+10) mV, Current: ±(0.3% of reading+10) mA Readback Accuracy Voltage: ±(0.03% of reading+10) mV, Current: ±(0.3% of reading+10) mA Voltage: ±(0.03% of reading+10) mV, Current: ±(0.3% of reading+10) mA Voltage: ±(0.03% of reading+10) mV, Current: ±(0.3% of reading+10) mA Display 4.3" TFT-LCD 5-digit voltage and current display 4.3" TFT-LCD 5-digit voltage and current display 4.3" TFT-LCD 5-digit voltage and current display Output power 240 W 285 W 400 W Included 1x Siglent SPD4306X Power Supply 1x Power cord (EU) 1x Output test cord (3 A) 1x USB cable 1x Quick start guide Downloads Datasheet Manual Quick start

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Dieser Praxis-Ratgeber wendet sich an alle, die sich für die Elektroinstallation interessieren. Auch wenn Sie nicht wissen, warum Ihre elektrische Anlage nicht zufriedenstellend funktioniert oder wie ein Fehler in Ihrer Anlage beseitigt wird, kann dieses Buch Ihnen helfen. Nützlich ist es aber sicherlich auch dann, wenn Sie nur über die Installation elektrischer Anlagen mehr wissen wollen. Von einfachen Installationsschaltungen bis hin zur vollständigen Wohnungsinstallation zeigt Ihnen dieses Buch alles, was für Planung, Ausführung und Prüfung von elektrischen Anlagen wichtig ist. Alle üblichen Installationspraktiken haben wir für Sie mit sehr vielen Bildern und Planzeichnungen anschaulich dargestellt. Interessierte Leser erhalten somit Wissen, das für die Installation von elektrischen Anlagen notwendig ist. Jeder einzelne Schritt wird erläutert, und wertvolle Kniffe aus der Praxis helfen Ihnen, Zeit und Geld zu sparen.

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This book covers a series of exciting and fun projects for the Arduino, such as a silent alarm, people sensor, light sensor, motor control, internet and wireless control (using a radio link). Contrary to many free projects on the internet all projects in this book have been extensively tested and are guaranteed to work! You can use it as a projects book and build more than 45 projects for your own use. The clear explanations, schematics, and pictures of each project make this a fun activity. The pictures are taken of a working project, so you know for sure that they are correct. You can combine the projects in this book to make your own projects. To facilitate this, clear explanations are provided on how the project works and why it has been designed the way it has That way you will learn a lot about the project and the parts used, knowledge that you can use in your own projects. Apart from that, the book can be used as a reference guide. Using the index, you can easily locate projects that serve as examples for the C++ commands and Arduino functionality. Even after you’ve built all the projects in this book, it will still be a valuable reference guide to keep next to your PC.

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Das Durchführen von Messungen gehört zu den grundlegenden Tätigkeiten eines jeden Elektronikers, wie das tägliche Brot zum Leben. Ob bei der Entwicklung von Schaltungen, der Überprüfung während der Produktion oder bei der Fehlersuche in defekten Geräten: Messgeräte sind das wichtigste Handwerkszeug und kommen stets zum Einsatz. „Wer misst, misst Mist“ lautet ein oft zitiertes Motto. Damit dem nicht so ist, muss der Elektroniker wissen, was er tut, muss die Genauigkeit seiner Messgeräte und vor allem die Schwachpunkte des Messverfahrens kennen. Hier setzt dieses Buch an: Ausgehend von theoretischen Betrachtungen und Begriffsdefinitionen geht die Reise von den einfachen Zeigerinstrumenten über Multimeter und Oszilloskop hin zu FFT-Analysen und spezialisierten Messgeräten wie Audio-Analyser, Schallpegelmesser, Geräte- und Installationstester.

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Arduinonext is an initiative powered by an electronics and microcontrollers specialist team aiming to help all those who are entering in the technology world, using the well-known Arduino platform to take the next step in electronics. We strive to bring you the necessary knowledge and experience for developing your own electronics applications; interacting with environment; measuring physical parameters; processing them and performing the necessary control actions. This is the first title in the 'Hands-On' series in which Arduino platform co-founder, David Cuartielles, introduces board programming, and demonstrates the making of an 8-bit Sound Generator.

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Aus dem Inhalt Über ein Jahrhundert Triode Neues vom Röhrenmarkt Siebketten mit Drossel, Widerstand und Kondensatoren Inserentenverzeichnis Eintakt-A-Endstufe mit der Triode 833 Gegentakt-AB-Endstufe mit der 6C33 Gegentakt-Triodenstufe mit ECC 99 und ECC 832 Phonovorstufe in Röhrentechnik Mehrkanalverstärker High-End-Audio Digital-Analog-Converter (DAC) Röhrensound mit Halbleitern Leserbrief CD-Two MKII Röhrendaten mit Sockelschaltungen

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