Search results

Operating a modern amateur radio station, particularly for advanced digital modes or microwave experiments, often requires precise test and measurement equipment. This resource from NI (National Instruments), now part of Emerson, showcases a wide array of hardware and software solutions designed for demanding test objectives. Their portfolio includes modular instruments and configurable software interfaces, such as _LabVIEW_ and _TestStand_, which integrate AI assistance via _NI Nigel™ AI_ for code completion and sequence building. For those involved in RF and microwave work, the offerings extend to vector signal transceivers, RF signal generators, software-defined radios, and spectrum analyzers. These tools are crucial for characterizing antenna performance, optimizing transceiver circuits, or developing custom radio systems. The company emphasizes its 50 years of innovation, with 40 years dedicated to _LabVIEW_, highlighting a long-standing commitment to engineering solutions. The site also details products for data acquisition, electronic test, and wireless design, covering components like CompactDAQ modules for precise sensor measurements and various communication bus interfaces. Their events and perspectives sections offer insights into topics such as 5G technology and strategies for breaking out of testing silos, providing a broader context for their measurement solutions.

An overview about the UHF connectors often referred to as the PL259 plug and SO239 socket used for many RF applications. Limitations, history and soldering properly UHF Connectors

Hinckley, Leicestershire ham radio club

Transmitting operations in the 50-54 MHz range offer some unique problems that over the past 50 years have stymied station owners, forcing them to tolerate quiet hours and hostility from family and neighbors attempting to enjoy other electronic services.

Delta Electronics Manufacturing, a global manufacturer, specializes in _RF connectors_, adapters, and cable assemblies, providing custom interconnect solutions with superior performance. Their Advanced Vertically Integrated (AVI) global facilities emphasize efficiency, quality, flexibility, and cost control across their product lines. The company serves diverse industries, including broadcast and audio, test and measurement, military, aerospace, and public safety communications. For instance, Delta supplies RF interfaces for military aircraft, satellite launch vehicles, and missiles, maintaining a long-standing QPL supplier status. Their field-tested RF interconnects are also crucial for two-way radios, base station equipment, and antenna systems in public safety applications, ensuring reliable performance in critical communication infrastructure. Delta's solutions extend to commercial aircraft and semiconductor manufacturing, where their RF interconnects power etch equipment, deposition equipment, and chip testing systems worldwide.

Key details about the superhet or superheterodyne radio reeiver: basic overview; how it works; applications; design notes, all you need to know.

+/- 15 V, 1.5 A power supply project

Sell quality electronic components, equipment, and accessories. Test equipment, RF Modules, Power supplies, PCB, Stepper motors.

Article descrive the different types including coax and open-wire feeder and waveguide.

Delta Electronics, Inc. NY USA, family owned and operated selling all varieties of consumer electronics including 10 meter amateur radios, antennas, accessories, microphones, cw transmitters, coax cables and more

Station QRP presents various **circuit diagrams** for constructing low-power AM vacuum tube shortwave transmitters, catering to enthusiasts interested in vintage radio technology. The resource details schematics ranging from simple to more complex designs, enabling hams to build their own QRP AM transmitters for operation on frequencies like 6.925 kHz AM. It emphasizes the use of vacuum tubes, providing a technical foundation for understanding and replicating classic shortwave broadcasting methods. The content is geared towards those who enjoy the hands-on aspect of electronics and the unique characteristics of tube-based RF circuits. Building these transmitters allows operators to experience the nostalgia of early shortwave radio, with the site specifically mentioning a pioneer station on 6.925 kHz AM. The designs facilitate experimentation with low-power AM transmission, offering practical application for homebrew projects. The focus on QRP (low power) operation aligns with a segment of the amateur radio community that values efficiency and minimalist setups, providing a distinct alternative to modern solid-state transceivers.

Stocking store for electronics components,obsolete parts. Professional IC supplier. Stocking store for electroncis components & IC's,obsolete parts.

an overview, introduction or tutorial about the basics of electronics filters including the types of filter and the various filter design considerations and parameters

Ham or amateur radio is a fascinating hobby for all

Ham radio and electronics radio blog from India

New, used, & reconditioned electronic test & measurement equipment sales, rentals, & service. Agilent/HP Spectrum Analyzers, Tektronix Oscilloscopes, Fluke Calibrators, & much more.

Amateur radio accessories, like the CT-17B ICOM CI-V hubs, IABs ICOM ACC1 Breakout boxes, GS232Dunio GS232A/B arduino based rotor controler, IMK memory keypad for ICOM Radios

Article about tropospheric propagation and the way in which radio signals at VHF and above propagate over greater distances than strictly line of sight in the troposphere

VHF/UHF FM Mobile Transceiver with APRS and EchoLink Functionality official Kenwood UK site

A calibration kit useful when you need known reference impedances to properly calibrate your vector network analyzers.

Article cover hints and tips on ham radio or amateur radio contesting and contests

JPR Electronics have been in the business of supplying electronic components and accessories to manufacturers, sub-contractors, designers, distributors, MOD, government departments and educational establishments

One common semiconductor material, silicon, is far more widely used in electronics than germanium, partly because it can operate at much higher temperatures. Semiconductors are crystalline materials with electrical resistivity values between conductors and insulators, whose conductivity can be altered through _doping_ with impurities like arsenic or phosphorous to create N-type (excess electrons) or P-type (electron vacancies) materials. Semiconductor devices, such as diodes, transistors, and integrated circuits, leverage these properties to control electron flow in circuits. A diode, a two-terminal device with an anode and cathode, primarily permits current flow in one direction, making it useful as a rectifier to convert AC to DC. Specialized diodes include Zener diodes for voltage regulation and Light-Emitting Diodes (LEDs) that produce light when current passes through them. Logic circuits, fundamental to digital electronics, have binary inputs and outputs, performing functions like AND, OR, and NOT gates, and can be constructed from various binary devices including solid-state diodes and transistors. A transistor is an active semiconductor device with at least three terminals (base, emitter, collector), capable of amplifying current. Integrated circuits (ICs), often called chips, are electronic circuits built on a semiconductor substrate, typically silicon. ICs are classified by transistor type (bipolar or MOS) and integration scale: Small-Scale Integration (SSI) with fewer than 10 transistors, Medium-Scale Integration (10-100), Large-Scale Integration (LSI) with 100-1,000, and Very-Large-Scale Integration (VLSI) with more than **1,000** transistors. ICs can be analog, digital, or hybrid, offering virtually limitless functions.

Datasheet Locator is a free tool that enables you to locate product datasheets from hundreds of electronic component and semiconductors manufacturers

The branch of electronics dealing with devices that generate, transform, transmit, or sense optical, infrared, or ultraviolet radiation

Electronic compoenents manufacturer of precision CMOS analog integrated circuits for OEMs of industrial controls, computers, instrumentation, automotive, and telecom. Transistor mosfet.

N4L design and manufacture versatile, high-accuracy, easy to use instruments for power electronic test & measurement

Electronic components online shop based in Italy

An article on how to measure electrical current with a digital multimeter or analogue multimeter.

Communications solutions for Business, Utility and Industrial applications including data phones wireless RF

Offers a range of high-performance RF interconnect solutions, addressing the critical need for reliable signal integrity across diverse radio frequency applications. Their product line includes custom cable assemblies, various **RF connectors** (such as SMA), adapters, and terminators, designed to meet stringent specifications from DC up to 40 GHz. These components are essential for maintaining low insertion loss and excellent VSWR in demanding environments, from test benches to operational communication systems. The company specializes in providing tailored solutions for both commercial and government sectors, emphasizing precision manufacturing in Warner Robins, Georgia. Their offerings are crucial for engineers and operators requiring specific lengths, connector types, and performance characteristics for their radio equipment and test setups. Ensuring robust connections and protection against transient voltage events, their **surge protectors** are integrated into systems to safeguard sensitive electronics from damage, a common concern in outdoor or high-power installations.

Read all the key details about Vacuum Tubes or Thermionic Valves that provided the foundations for today's electronics technology.

Largest range of Electronic Kits and Components for the Radio Experimenter in Australia

A basic YAGI UDA online antenna calculator, accept as input frequency, number of elements, diameter of parasitic element and boom diameter. This online calculator will generate a basic design data including each element length and spacing.

Northern Connectors offers over 30 years of experience distributing specialized electro-mechanical connectors and related components, primarily serving industrial environments. The company partners with manufacturers such as _Binder_, _Hummel_, and _Mencom_, providing access to a broad range of connectivity solutions including circular connectors, heavy-duty connectors, and sensor cables. Their product lines are designed to address demanding technical requirements in various sectors, ensuring robust and reliable connections for critical systems. The resource details specific product categories like M5, M8, M12, M16, M23, and M40 connectors, alongside power and data transmission solutions. It emphasizes the availability of custom cable assemblies and overmolded solutions, tailored to unique client specifications. The site also highlights their technical support capabilities, assisting customers in selecting appropriate components for complex applications. Northern Connectors maintains a significant stockholding in the UK, facilitating prompt delivery of essential components. They focus on providing solutions that meet stringent industry standards for performance and durability.

Anatech Electronics manufactures RF filters for communication systems, Military and commercial, as well as RF filters for Wireless applications. Products include, Band pass filters, Duplexers, Low pass, high pass and bandstop filters. Additional products such as RF cable assembly also available.

Reichelt electronics is a world wide online shop for electronic parts and components

The Gippsland Gate Radio and Electronics Club Inc. (GGREC) is a group of amateur radio operators and electronics enthusiasts who promote all aspects of hobby telecommunications, computers and electronics

Your World-Wide Source For Amateur Radio Amplifier Parts & Upgrade Kits for Collins, Dentron, Drake, Heathkit, Kenwood, Swan W8ZR, Yaesu Products

Introduction to homebrewing antenna, for AM FM band reception

OEMSEMI is an independent distributor for electronic components, offering worldwide spot components supply service and solutions to obsolete components supply.

How test transistors and diodes with a simple digital multimeter.

UK Suppliers of electronic components

Elfa Distrelec, european distributor of electronics

manufacturer of passive electronic components, emerged from Philips Electronics Components, ceramic capacitors, resistors, fuses, varistors

Check out these vintage QSL cards from the 20th Century in this gallery of old QSL cards.

Global wholesale distributor and manufacturer of communication equipment, including CODAN products

Amateur Radio Amateur Radio Manuals & Books Computer Books & Programs Computer Hardware Rare & Hard to Find Books amateur radio,electronics ,electronis parts,tubes, amplifiers,towners, beam antennas and more

EDI is a common electronic data file format required to submit contact logs. Very popular among contest logs formats.

Over 500 different types of high-performance electronic cables are manufactured by Alpha Wire, catering to demanding industrial and commercial applications. Their product lines include the robust _XTRA GUARD_ series, designed for harsh environments, and a range of flexible coaxial cables optimized for signal integrity. These cables are critical components in amateur radio shacks, industrial control systems, and data communication networks, ensuring reliable power and signal transmission. The company provides extensive technical resources, including detailed product specifications, application notes, and RoHS certificates, accessible through their online resource center. Hams often utilize their wire and cable products for antenna construction, station wiring, and various DIY projects requiring durable and reliable conductors. Alpha Wire also offers tools like size guides and competitor cross-references, simplifying product selection. They emphasize continuous uptime solutions, reflecting their focus on quality and durability.